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For over 75 years, Westerbeke has been offering durable and reliable power solutions to meet the challenges of commercial and recreational marine applications. Westerbeke manufactures diesel and gasoline fueled generators, diesel propulsion engines, climate control systems and specialized sound enclosures.

Their products offer quiet operation, low vibration, long service life and superb value. And our track record for delivering industry-changing innovations has resulted in important advances in safety, as well as beneficial reductions in size, weight, noise, fuel consumption and exhaust emissions for both generators and propulsion engines.

Today, Westerbeke is recognized worldwide for the quality of their products — and for the outstanding service and warranty support they provide through a network of Master Distributors and dealers, covering every ocean and sea plus all the temperate continents.

More from Westerbeke.

History

In 1937, John H. Westerbeke Sr. founded the Westerbeke Corporation as a company dedicated to the development of diesel engines and generators for a variety of uses. By 1938, Westerbeke was already pioneering use of the Detroit Diesel 6-71 for marine applications.

In 1959, the company started customizing Perkins engine blocks for marine applications like the Perkins 4.107’s above, creating a market for small marine diesels among sailboaters seeking reliable and practical auxiliary power. The same engines were also used in marine diesel generators. In the 1980’s the company revolutionized the marine diesel market by introducing a new line of quiet, compact, lightweight and dependable generators that were the smallest available. In 2005, Westerbeke offered the first low carbon monoxide (Low-CO) gasoline generator for the marine market.

Currently, Westerbeke uses engines from several leading manufacturers to create marine-proven diesel and gasoline engines ranging from 12 to 66 horsepower, and generators ranging from 3.5 to 33.0 kilowatts. They also manufacture Universal diesel engines from 20 to 26 horsepower, and Rotary Aire marine climate control systems that offer self-contained efficiency in 10,000 BTU and 17,000 BTU models.

More from Westerbeke.

Vendor's Contact Information

Westerbeke Corporation
150 John Hancock Road
Myles Standish Industrial Park
Taunton, MA 02780
Telephone: (508) 823-7677
Fax Line: (508) 884-9688
Toll Free: 1-8
Website: www.westerbeke.com/index.htm
Contact Form: www.westerbeke.com/contact.htm
Email: internet#westerbeke.com

Please contact the Master Distributor in your area for all inquiries including sales, parts, service, warranty, and technical support.

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Vendor's Offerings

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General Specifications For Westerbeke
4-Stroke Cycle Diesel Marine Engines
Including Other Marinized Versions & Generators
(by Ascending Displacement)

TABLE KEY: (Table still under development)
⊗ = Data Not Available from Data Source, ? = …? = ¿…? = Data Not Confirmed.
DS = Data Source: (such as Webpages, SpecSheets, Catalogs, Brochures, Manuals, etc. with Links)
^ BD = BoatDiesel.com=…B, …f = Forum, …w = Webpage, …s = SpecSheet, …c = Catalog, …b = Brochure,
^ …o = Operator’s Manual, …m = Service/Repair/Technical/Workshop/Shop Manual, Wik = Wikipedia,
^ …1,2,3,A,B,C,etc = Source #, Version, Revision, …+ = ++ = Data combined from Multiple Sources.
CYL = Cylinder Configuration-Number−Liner Type:
^ Cylinder Configuration: U = u… = Vertical (Upright), I = In-Line,
^ Liner: W = Wet Liner(s), D = Dry Liner(s), WD = Combo Wet+Dry Liners, S = Sleeved (Press fit?),
^ ^ P = Parent/Native Bore, …s = Sleevable, C = Independent Cylinder(s), b… = Borable Oversize,
^ ^ Liner type sometimes had to be determined from Shop Manual and/or Parts List.
BORE & STROKE: …mm = Millimeters, …” = …in = Inches.
DISPLACEMENT: …cc = Cubic Centimeters (cm³), …L = Liters (Litres), …ci = Cubic Inches (in³).
⇑ = Base Engine Manufacturer, ⇒ = Engine Mariniser (Marinizer).
MODEL: EC = Engine Code.
RATING: See Engine Duty Ratings at end of this table.
ASP: Aspiration-Fueling: N = Naturally Aspirated, T = Turbocharged, S = Supercharged,
^ …c = Crankcase Scavenged. …b = w/Blower, …i = Intercooled, …a = Aftercooled,
^ …R=…r= w/RawWater (Seawater) Cooled Intercooler/Aftercooler (Charged Air Cooler),
^ …F=…f= w/FreshWater (Engine Coolant) Cooled Intercooler/Aftercooler (Charged Air Cooler),
^ -Fueling: M = Mechanical Injection, iI = Integral Injector, Cr = Common Rail, E = Electronic Injection.
Power: kW = Kilowatts, HP = Horsepower, BHP = Brake Horsepower, MHP = Metric Horsepower.
@RPM = Power Ratings @ Revolutions Per Minute.
YEARS MFR’d: Beginning-Ending, Trailing “–” (Dash) without an Ending Date = Still in Production.
^ Data from Westerbeke Propulsion Model History (12/8/05) updated from Westerbeke Website.

HOW TO READ THIS TABLE

Each line displays the data available from the identified Data Source (DS). The data is displayed according to the Table Key above. Clicking on the Data Source Link will open a new window displaying that Data Source. Data Sources include Catalogs, Brochures, Ads, SpecSheets, Owners/OpManuals, Parts Catalogs, Shop Manuals and Articles. The Triple Diamond "♦♦♦" = Summary of data compiled from multiple Data Sources.

Keep in mind that Data can be inaccurate in the source material and sometimes, the source material may be illegible. We try to obtain the best source material available and we make corrections to the tables when needed. If you wish to point out an error or you can help us obtain good source materials, please let us know via email To: Editor♣EverythingAboutBoats.org (Replace "♣" with "@")

261cc / 15.9ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Petter AB1WM	Ps	U-1−bC	76.2mm	57.15mm	3in	2.25in	261cc / 15.9ci
Petter AB1WM?	Ww	U-1−bC	⊗mm	⊗mm	3.00in	2.25in	⊗L / 15.90ci
Petter AB1WM?	Ws	U-1−bC	⊗mm	⊗mm	3in	2.25in	⊗L / 15.9ci
Petter AB1WM?	Wm	U-1−bC	⊗mm	⊗mm	3in	2¼in	⊗L / 15.9ci
Petter AB1WM?	Wm	U-1−bC	76.2mm	57.15mm	3in	2.25in	261cc / 15.9ci

⇑ PETTER
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
AB1WM − ⊗	Ps	N-M	⊗	⊗	⊗	3000	1967-1971+86?
AB1WM − ⊗	Ps	N-M	⊗	⊗	⊗	3600	1967-1971+86?

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
DS 5 − ⊗	Wd	N-M	⊗	5	⊗	3000	1972-1976
DS 5 − Con	Ws	N-M	⊗	5	⊗	3000	1972-1976
DS 5 − Con	Wm	N-M	⊗	2.4	⊗	1500	1972-1976
DS 5 − Con	Wm	N-M	⊗	3.0	⊗	1800	1972-1976
DS 5 − Con	Wm	N-M	⊗	3.5	⊗	2100	1972-1976
DS 5 − Con	Wm	N-M	⊗	4.2	⊗	2500	1972-1976
DS 5 − Con	Wm	N-M	⊗	5.0	⊗	3000	1972-1976
DS 5 − Con	Wm	N-M	⊗	5.5	⊗	3600	1972-1976
WPD3 50hz − Gen	Wm	N-M	⊗	5.0	⊗	3000	1972-1976
WPD3 60hz − Gen	Wm	N-M	⊗	5.5	⊗	3600	1972-1976

NOTES: PETTER Catalog.
⇑ PETTER: AB1WM Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual. Petter Model Number “AB1WM”: “A” = “A” Engine Series, “B” = 3in x 2¼ Bore x Stroke, “1” = Single Cyl, “W” = Water Cooled, “M” = Marine.
⇒ WESTERBEKE: DS 5 Webpage. SpecSheet. PartsList. Technical Manual.

290cc / 0.29L / 17.68ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Farymann 18 W?	Fb	U-1−C	82mm	55mm	⊗in	⊗in	290cc / ⊗ci
Farymann 18 W?	Ww	U-1−C	⊗mm	⊗mm	3.23in	2.17in	⊗L / 17.68ci
Farymann 18 W?	Ws	U-1−C	82mm	55mm	3.23in	2.17in	0.29L / 17.68ci
Farymann 18 W?	Wo	U-1−C	82.0mm	55.0mm	3.23in	2.17in	290cc / 17.7ci

⇑ FARYMANN
MODEL − RATING	DS	ASP	kW	HP	MHP	@RPM	YEARS MFR'd
18 W? − ⊗	Fb	N-M	5.2	7.1	⊗	3600	2000?-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
7A One − ⊗	Wd	N-M	⊗	6.4	⊗	3000	2000-2003
7A One − ⊗	Ws	N-M	4.7	6.4	⊗	3000	2000-2003

NOTES: Farymann Catalog.
⇑ FARYMANN (DE): 18 W Webpage. Brochure. SpecSheet. OpManual, PartsList. ServiceManual.
⇑ FARYMANN (EN): 18 W Webpage. Brochure. SpecSheet. OpManual, PartsList. ServiceManual.
⇒ WESTERBEKE: 7A One Webpage. SpecSheet. OpManual. Parts Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

303cc~304cc / 0.304L / 18.5ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Petter AC1WM?	Ps	U-1−bC	76.2mm	66.7mm	3.00in	2.62in	0.304L / 18.6ci
Petter AC1WM?	Ww	U-1−bC	⊗mm	⊗mm	3in	2-5/8in	⊗cc / 18.5ci
Petter AC1WM?	Ws	U-1−bC	⊗mm	⊗mm	3in	2-5/8in	303cc / 18.5ci
Petter AC1WM?	Wm	U-1−bC	⊗mm	⊗mm	3in	2-5/8in	303cc / 18.5ci
Petter AC1WM?	Wm	U-1−bC	76.2mm	66.68mm	3in	2.625in	304cc / 18.5ci

⇑ PETTER
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
AC1WM? − Con	Ps	N-M	2.1	2.8	⊗	1500	1972?-1984+?
AC1WM? − Con	Ps	N-M	2.4	3.2	⊗	1800	1972?-1984+?
AC1WM? − Con	Ps	N-M	3.0	4.0	⊗	2100	1972?-1984+?
AC1WM? − Con	Ps	N-M	3.7	5.0	⊗	2500	1972?-1984+?
AC1WM? − Con	Ps	N-M	4.5	6.0	⊗	3000	1972?-1984+?
AC1WM? − Con	Ps	N-M	4.8	6.5	⊗	3600	1972?-1984+?
AC1WM? − FS	Ps	N-M	2.3	3.1	⊗	1500	1972?-1984+?
AC1WM? − FS	Ps	N-M	2.7	3.6	⊗	1800	1972?-1984+?
AC1WM? − FS	Ps	N-M	3.3	4.4	⊗	2100	1972?-1984+?
AC1WM? − FS	Ps	N-M	4.1	5.5	⊗	2500	1972?-1984+?
AC1WM? − FS	Ps	N-M	4.9	6.6	⊗	3000	1972?-1984+?
AC1WM? − FS	Ps	N-M	5.3	7.1	⊗	3600	1972?-1984+?
AC1WM? − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
DS 7 − ⊗	Wd	N-M	⊗	7	⊗	3600	1972-1976
DS 7 − Con	Ws	N-M	⊗	7	⊗	3600	1972-1976
DS 7 − Con	Wm	N-M	⊗	7	⊗	3600	1972-1976
DS 7 − Con	Wm	N-M	⊗	2.8	⊗	1500	1972-1976
DS 7 − Con	Wm	N-M	⊗	3.3	⊗	1800	1972-1976
DS 7 − Con	Wm	N-M	⊗	4.0	⊗	2100	1972-1976
DS 7 − Con	Wm	N-M	⊗	5.0	⊗	2500	1972-1976
DS 7 − Con	Wm	N-M	⊗	6.0	⊗	3000	1972-1976
DS 7 − Con	Wm	N-M	⊗	6.5	⊗	3600	1972-1976
W7 − ⊗	Wd	N-M	⊗	7	⊗	3600	1976-1984
W7 − Con	Ws	N-M	⊗	7	⊗	3600	1976-1984
W7 − Con	Wm	N-M	⊗	7	⊗	3600	1976-1984
W7 − Con	Wm	N-M	⊗	2.8	⊗	1500	1976-1984
W7 − Con	Wm	N-M	⊗	3.3	⊗	1800	1976-1984
W7 − Con	Wm	N-M	⊗	4.0	⊗	2100	1976-1984
W7 − Con	Wm	N-M	⊗	5.0	⊗	2500	1976-1984
W7 − Con	Wm	N-M	⊗	6.0	⊗	3000	1976-1984
W7 − Con	Wm	N-M	⊗	6.5	⊗	3600	1976-1984
WPD4 50hz − Gen	Wm	N-M	⊗	6.0	⊗	3000	1976-1982
WPD4 60hz − Gen	Wm	N-M	⊗	6.5	⊗	3600	1976-1982

NOTES:
⇑ PETTER: AB1WM Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual. Petter Model Number “AC1WM”: “A” = “A” Engine Series, “C” = 3in x 2-5/8 Bore x Stroke, “1” = Single Cyl, “W” = Water Cooled, “M” = Marine.
⇒ WESTERBEKE: DS 7 Webpage. SpecSheet. PartsList. Technical Manual.

451cc / 27.52ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-2−P	⊗mm	⊗mm	2.56in	2.68in	⊗L / 27.52ci
MfrModel	Ws	uI-2−P	⊗mm	⊗mm	2.56in	2.68in	⊗L / 27.52ci
MfrModel	Wo	uI-2−P	⊗mm	⊗mm	2.56in	2.68in	⊗L / 27.52ci
MfrModel	Ww	uI-2−P	⊗mm	⊗mm	2.56in	2.68in	⊗L / 27.52ci
MfrModel	Ws	uI-2−P	65mm	68mm	2.56in	2.68in	0.45L / 27.52ci
MfrModel	Wm	uI-2−P	65mm	68mm	2.56in	2.68in	451cc / 27.52ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	HP	MHP	@RPM	YEARS MFR'd
W 10 Two − ⊗	Wd	N-M	⊗	10	⊗	3600	1983-1987
W 10 Two − Con	Ws	N-M	⊗	9*	⊗	3600	1983-1987
W 10 Two − Int	Ws	N-M	⊗	9.6*	⊗	3600	1983-1987
W 10 Two − Max	Ws	N-M	⊗	10*	⊗	3600	1983-1987
10 Two − ⊗	Wm	N-M	⊗	9.5	⊗	3000	1983-1987
12B Two − ⊗	Wd	N-M	⊗	12	⊗	3000	1983-1992
12B Two − ⊗	Ws	N-M	⊗	12	⊗	3600	1983-1992
12B Two − ⊗	Wm	N-M	⊗	12	⊗	3600	1983-1992
WMD 2.4 50hz − Gen	Wm	N-M	⊗	⊗	⊗	1500	1982?-1988?
WMD 3 60hz − Gen	Wm	N-M	⊗	⊗	⊗	1800	1982-1988

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 10 Two Webpage. SpecSheet. OpManual. PartsList. TechnicalManual. *HP from SpecSheet Performance Curve.
⇒ WESTERBEKE: 12B Two Webpage. SpecSheet. Installation Drawing. OpManual. Technical Manual. Wiring Diagram rev K. Wiring Diagram rev L. Wiring Diagram rev M. Wiring Diagram rev N.

29.4ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	U-1−C	⊗mm	⊗mm	3.34in	3.34in	⊗L / 29.4ci
MfrModel	Ws	U-1−C	⊗mm	⊗mm	3.35in	3.35in	⊗L / 29.4ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Pilot 10* − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1983?-1983?
W 10 − ⊗	Wd	N-M	⊗	10	⊗	3000	1983-1987
W 10 − Con	Ws	N-M	⊗	10	⊗	3000	1983-1987

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 10 Webpage. SpecSheet. *According to Ws, Westerbeke 10 was Formerly Pilot-10.

524.0cc / 31.95ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Farymann ?? ??	Ww	U-1−C	⊗mm	⊗mm	3.74in	2.91in	⊗L / 32.00ci
Farymann ?? ??	Ws	U-1−C	95mm	74mm	3.74in	2.91in	0.524L / 31.95ci
Farymann ?? ??	Wo	U-1−C	95.0mm	74.0mm	3.74in	2.91in	524.0cc / 31.95ci

⇑ FARYMANN
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
?? W? − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	?-?

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
11A One − ⊗	Wd	N-M	⊗	11	⊗	3000	2001-2005+?
11A One − ⊗	Ws	N-M	8	10.7	⊗	3000	2001-2005+?
11A One − ⊗	Wo	N-M	⊗	⊗	⊗	3000	2001-2005+?

NOTES:
⇑ FARYMANN: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 11A One Webpage. SpecSheet. Installation Drawing 44923. OpManual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

0.60L / 36.6ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-2−P	⊗mm	⊗mm	2.68in	3.07in	⊗L / 37.00ci
MfrModel	Ws	uI-2−P	68mm	78mm	2.68in	3.07in	0.566L / 37ci
MfrModel	Wo	uI-2−P	⊗mm	⊗mm	2.76in	3.07in	⊗L / 37ci
MfrModel	Ww	uI-2−P	⊗mm	⊗mm	2.68in	3.07in	⊗L / 37.00ci
MfrModel	Ws	uI-2−P	68mm	78mm	2.68in	3.07in	0.566L / 37ci
MfrModel	Wo	uI-2−P	⊗mm	⊗mm	2.76in	3.07in	⊗L / 37ci
MfrModel	Wm	uI-2−P	70mm	78mm	2.8in	3.0in	0.60L / 36.6ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 13 − ⊗	Wd	N-M	⊗	13	⊗	3000	1980-1984
W 13 − ⊗	Ws	N-M	⊗	13.5	⊗	3000	1980-1984
WMD 3.3 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1986
WMD 4.4 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1986
W 13A − ⊗	Wd	N-M	⊗	13	⊗	3000	1984-1988
W 13A − ⊗	Ws	N-M	⊗	13.5	⊗	3000	1984-1988
3.3 BCD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1986-1989
4.4 BCD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1986-1989

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 13 Webpage. SpecSheet. OpManual. PartsList. Service Manual.
⇒ Westerbeke: W 13A Webpage. SpecSheet. OpManual. PartsList. Service Manual.

635cc / 0.635L / 38.75ci~39ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Mitsubishi L2E?	Mb	uI-2−P	76mm	70mm	⊗in	⊗in	0.635L / ⊗ci
Mitsubishi L2E	Ms	uI-2−P	76mm	70mm	⊗in	⊗in	0.635L
Mitsubishi L2E-65DMA?	Vw	uI-2−P	⊗mm	⊗mm	2-63/64in	2-3/4in	635cc / ⊗ci
Mitsubishi L2E-65DM?	Vw	uI-2−P	⊗mm	⊗mm	2-63/64in	2-3/4in	635cc / ⊗ci
Mitsubishi L2E-65DMA	Vo	uI-2−P	76mm	70mm	⊗in	⊗in	635cc / 39ci
Mitsubishi L2E-65DM	Vo	uI-2−P	76mm	70mm	⊗in	⊗in	635cc / 39ci
Mitsubishi L2E?	Ww	uI-2−P	⊗mm	⊗mm	2.99in	2.76in	⊗L / 38.75ci
Mitsubishi L2E?	Wb	uI-2−P	⊗mm	⊗mm	⊗in	⊗in	0.63L / 39ci
Mitsubishi L2E?	Ws	uI-2−P	76mm	70mm	2.99in	2.76in	0.63L / 38.75ci
Mitsubishi L2E?	Wo	uI-2−P	76mm	70mm	2.99in	2.76in	0.635L / 38.75ci
Mitsubishi L2E?	Wm	uI-2−P	76mm	70mm	2.99in	2.76in	0.635L / 38.75ci
Mitsubishi L2E?	Ww	uI-2−P	⊗mm	⊗mm	2.99in	2.76in	⊗L / 38.80ci
Mitsubishi L2E?	Ws	uI-2−P	76mm	70mm	2.99in	2.76in	0.63L / 38.75ci
Mitsubishi L2E?	Wo	uI-2−P	76mm	70mm	2.99in	2.76in	0.635L / 38.75ci
Mitsubishi L2E?	Wm	uI-2−P	76mm	70mm	2.99in	2.76in	0.635L / 38.75ci

⇑ MITSUBISHI
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
L2E − Int	Mb	N-M	⊗	14.8	⊗	3600	19??-
L2E − Gen	Mb	N-M	6.8m	⊗	⊗	1800	19??-
L2E − Gen	Ms	N-M	6.8m	5.1	⊗	1800	19??-
L2E − ⊗	Ms	N-M	5.2	7.0	⊗	1500	19??-
L2E − ⊗	Ms	N-M	6.7	9.0	⊗	1800	19??-
L2E − ⊗	Ms	N-M	7.5	10.1	⊗	2000	19??-
L2E − ⊗	Ms	N-M	8.2	11.0	⊗	2200	19??-
L2E − ⊗	Ms	N-M	9.2	12.4	⊗	2500	19??-
L2E − ⊗	Ms	N-M	10.4	13.9	⊗	3000	19??-
L2E − ⊗	Ms	N-M	11.3	15.1	⊗	3600	19??-
L2E-65DMA − ⊗	Vo	N-M	8.8?	12?	⊗	3000	19??-
L2E-65DM − ⊗	Vo	N-M	11.8?	16?	⊗	3600	19??-

⇒ VETUS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
M2.13 − Max	Vw	N-M	⊗	⊗	⊗	3000	19??-
M2.13 − Max	Vo	N-M	8.8	12	⊗	3000	19??-
M2.18 − Max	Vw	N-M	11.8	16	⊗	3600	19??-
M2.18 − Max	Vo	N-M	11.8	16	⊗	3600	19??-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
12C Two − ⊗	Wd	N-M	⊗	12	⊗	3000	1992-2005+?
12C Two − ⊗	Ws	N-M	⊗	12	⊗	3000	1992-2005+?
12C Two − ⊗	Wo	N-M	⊗	12	⊗	3000	1992-2005+?
12C Two − ⊗	Wm	N-M	⊗	12	⊗	3000	1992-2005+?
12D Two − ⊗	Wb	N-M	9.0	12	⊗	3000	20??-
12D Two − ⊗	Wd	N-M	⊗	12	⊗	3000	20??-
12D Two − ⊗	Ws	N-M	9.0	12	⊗	3000	20??-
12D Two − ⊗	Wo	N-M	⊗	12	⊗	3000	1992-20??
12D Two − ⊗	Wm	N-M	⊗	12	⊗	3000	1992-20??
20B Two − ⊗	Wd	N-M	⊗	18	⊗	3600	1987-2005+?
20B Two − ⊗	Ws	N-M	13.4	18	⊗	3600	1987-2005+?
20B Two − Max	Wo	N-M	⊗	18	⊗	3600	1987-2005+?
20B Two − Max	Wm	N-M	⊗	18	⊗	3600	1987-2005+?

NOTES:
⇑ MITSUBISHI: L2E Webpage. Brochure, SpecSheet. OpManual. PartsList. Service Manual.
⇒ VETUS: M2.13 Webpage, Brochure. SpecSheet, OpManual. PartsList. Service Manual.
⇒ VETUS: M2.18 Webpage, Brochure. SpecSheet, OpManual. Parts List. Service Manual.
⇒ WESTERBEKE: 12C Two Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Bulletin 2010-2: Piston Wrist Pin Size Change 6/11/2010. Service Manual. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 12D Two Webpage. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Bulletin 2010-2: Piston Wrist Pin Size Change 6/11/2010. Service Manual. Wiring Diagram Rev N.
⇒ WESTERBEKE: 20B Two Webpage. SpecSheet. OpManual. PartsList. Technical Manual.

0.78L / 47.4ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-3−P	⊗mm	⊗mm	2.40in	3.05in	⊗L / 48.00ci
MfrModel	Ws	uI-3−P	65mm	78mm	2.4in	3.05in	0.78L / 48ci
MfrModel	Wo	uI-3−P	⊗mm	⊗mm	2.56in	3.07in	⊗L / 47ci
MfrModel	Wm	uI-3−P	65mm	78mm	2.6in	3.1in	0.78L / 47.4ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 18 − ⊗	Wd	N-M	⊗	18	⊗	3300	1985-1989
W 18 − ⊗	Ws	N-M	⊗	18	⊗	3300	1985-1989
WMD 4.5 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3300	1985?-1986?
WMD 6.0 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3300	1985?-1986?
4.5 BCD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3300	1986-1989
6.0 BCD 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3300	1986-1989

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 18 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.

50ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-2−⊗	⊗mm	⊗mm	3.15in	3.15in	⊗L / 50ci
MfrModel	Ws	uI-2−⊗	⊗mm	⊗mm	3.15in	3.15in	⊗L / 50ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Pilot 50 − ⊗	Wd	N-M	⊗	15	⊗	2800	19??-19??
Pilot 50 − Con	Ws	N-M	⊗	12	⊗	2400	19??-19??
Pilot 50 − Max	Ws	N-M	⊗	15	⊗	2800	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Pilot 50 Webpage. Brochure. SpecSheet.

948cc / 57.9ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−D	⊗mm	⊗mm	2.478in	3.50in*	⊗L / 58.00ci
MfrModel	Ws	uI-4−D	⊗mm	⊗mm	2.478in	3.5in*	⊗L / 58ci
MfrModel	Wm	uI-4−D	62.9mm	76.2mm	2.478in	3.0in	948cc / 57.9ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-60 − ⊗	Wd	N-M	⊗	15	⊗	2500	1971-1979
4-60 − ⊗	Ws	N-M	⊗	15	⊗	2500	1971-1979

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-60 Webpage. Brochure. SpecSheet. Technical Manual & PartsList. *3.5in Stroke is an error on Data Source.

58.8ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-2−⊗	⊗mm	⊗mm	3.35in	3.35in	⊗L / 58.8ci
MfrModel	Ws	uI-2−⊗	⊗mm	⊗mm	3.35in	3.35in	⊗L / 58.8ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 20 − ⊗	Wd	N-M	⊗	20	⊗	3000	19??-19??
W 20 − ⊗	Ws	N-M	⊗	20	⊗	3000	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 20 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.

0.952L / 58ci~59.09ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Mitsubishi L3E	Mb	uI-3−P	76mm	70mm	⊗in	⊗in	0.952L / ⊗ci
Mitsubishi L3E	Ms	uI-3−P	76mm	70mm	⊗in	⊗in	0.952L / ⊗ci
Mitsubishi L3E-6ADM?	Vw	uI-3−P	⊗mm	⊗mm	2-63/64in	2-3/4in	952cc / ⊗ci
Mitsubishi L3E-6ADM	Vo	uI-3−P	76mm	70mm	⊗in	⊗in	952cc / 58ci
Mitsubishi L3E	Wb	uI-3−⊗	⊗mm	⊗mm	⊗in	⊗in	0.95L / 58ci
Mitsubishi L3E	Ww	uI-3−P	⊗mm	⊗mm	2.99in	2.76in	0.95L / 58.09ci
Mitsubishi L3E	Ws	uI-3−P	76mm	70mm	2.99in	2.76in	0.95L / 58.09ci
Mitsubishi L3E	Ws	uI-3−⊗	76mm	70mm	2.99in	2.76in	0.95L / 58.09ci
Mitsubishi L3E	Wo	uI-3−P	76mm	70mm	2.99in	2.76in	0.952L / 59.09ci
Mitsubishi L3E	Wm	uI-3−P	76mm	70mm	2.99in	2.76in	0.952L / 59.09ci

⇑ MITSUBISHI
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
L3E − Int	Mb	N-M	⊗	23.7	⊗	3600	19??-?
L3E − Gen	Mb	N-M	8.0m	⊗	⊗	1800	19??-?
L3E − Gen	Ms	N-M	8.0m	10.9	⊗	1800	19??-?
L3E − ⊗	Ms	N-M	7.0	9.4	⊗	1500	19??-?
L3E − ⊗	Ms	N-M	9.1	12.2	⊗	1800	19??-?
L3E − ⊗	Ms	N-M	10.2	13.7	⊗	2000	19??-?
L3E − ⊗	Ms	N-M	11.2	15.0	⊗	2200	19??-?
L3E − ⊗	Ms	N-M	12.7	17.0	⊗	2500	19??-?
L3E − ⊗	Ms	N-M	15.2	20.4	⊗	3000	19??-?
L3E − ⊗	Ms	N-M	17.7	23.7	⊗	3600	19??-?
L3E-6ADM − ⊗	Vo	N-M	20	27.2	⊗	3600	19??-

⇒ VETUS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
M3.28 − Max	Vw	N-M	20	27.2	⊗	3600	????-20??
M3.29 − Max	Vw	N-M	11.8	16	⊗	3600	19??-
M3.29 − Max	Vo	N-M	20	27.2	⊗	3600	19??-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
30B Three − ⊗	Wd	N-M	⊗	27	⊗	3600	1987-2005+?
30B Three − ⊗	Ws	N-M	20	27	⊗	3600	1987-2005+?
30B Three − Max	Wo	N-M	⊗	27	⊗	3600	1987-2005+?
30B Three − Max	Wm	N-M	⊗	27	⊗	3600	1987-2005+?
30C Three − ⊗	Wb	N-M	18.7	25	⊗	3600	20??-
30C Three − ⊗	Wd	N-M	⊗	25	⊗	3600	20??-
30C Three − ⊗	Ws	N-M	18.7	25	⊗	3600	20??-
30C Three − Max	Wo	N-M	⊗	25	⊗	3600	20??-

NOTES:
⇑ MITSUBISHI: L3E Webpage. Brochure, SpecSheet. OpManual. PartsList. Service Manual.
⇒ VETUS: M3.29 Webpage, Brochure. SpecSheet, OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: 30B Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Technical Manual.
⇒ WESTERBEKE: 30C Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Technical Manual. Wiring Diagram Rev N.

0.98L / 59.7ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-3−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60.00ci
MfrModel	Ws	uI-3−P	73mm	78mm	2.87in	3.07in	0.98L / 60ci
MfrModel	Ww	uI-3−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60.00ci
MfrModel	Ws	uI-3−P	73mm	78mm	2.87in	3.07in	0.98L / 60ci
MfrModel	Wo	uI-3−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60ci
MfrModel	Ww	uI-3−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60.00ci
MfrModel	Ws	uI-3−P	73mm	78mm	2.87in	3.07in	0.98L / 60ci
MfrModel	Wo	uI-3−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60ci
MfrModel	Wm	uI-3−P	73mm	78mm	2.9in	3.1in	0.98L / 59.7ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
RD 60 − ⊗	Wd	N-M	⊗	22	⊗	3000	19??-19??
RD 60 − ⊗	Ws	N-M	⊗	22	⊗	3000	19??-19??
W 21 − ⊗	Wd	N-M	⊗	21	⊗	3000	1980-1984
W 21 − ⊗	Ws	N-M	⊗	22?	⊗	3000	1980-1984
WMD 5.8 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1980-1984
WMD 7.7 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1980-1984
WMD 6.0 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1980-1984
WMD 8.0 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1980-1984
W 21A − ⊗	Wd	N-M	⊗	21	⊗	3000	1984-1987
W 21A − ⊗	Ws	N-M	⊗	22	⊗	3000	1984-1987
W 21A − ⊗	Wm	N-M	⊗	22	⊗	3000	1984-1987
6.0 BTD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1984-2000
8.0 BTD 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1984-2000

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: RD 60 Webpage. Brochure. SpecSheet. Service Manual.
⇒ WESTERBEKE: W 21 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: W 21A Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.

1.118L / 68.23ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-3−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 68.20ci
MfrModel	Ws	uI-3−P	78mm	78mm	3.07in	3.07in	1.118L / 68.23ci
MfrModel	Wm	uI-3−P	78mm	78mm	3.1in	3.1in	1.12L / 68.2ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
35B Three − ⊗	Wd	N-M	⊗	32	⊗	3600	1987-2000
35B Three − ⊗	Ws	N-M	23.8	32	⊗	3600	1987-2000
7.5 BTD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1987-2000
10 BTD 60hz − Gen	Wm	N-M	⊗	⊗	⊗	3000	1987-2000

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 35B Three Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

1.30L / 79.6ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 60.00*ci
MfrModel	Ws	uI-4−P	73mm	78mm	2.87in	3.07in	1.3L / 80ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 80.00ci
MfrModel	Ws	uI-4−P	73mm	78mm	2.87in	3.07in	1.3L / 80ci
MfrModel	Wo	uI-4−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 80ci
MfrModel	Wm	uI-4−P	73mm	78mm	2.87in	3.07in	1.30L / 79.6ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	2.87in	3.07in	80.00ci
MfrModel	Ws	uI-4−⊗	73mm	78mm	2.87in	3.07in	1.3L / 80ci
MfrModel	Wo	uI-4−⊗	⊗mm	⊗mm	2.87in	3.07in	80ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	2.87in	3.07in	⊗L / 79.64ci
MfrModel	Ws	uI-4−P	73mm	78mm	2.87in	3.07in	1.305L / 79.64ci
MfrModel	Wm	uI-4−P	73mm	78mm	2.87in	3.07in	1.30L / 79.6ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
RD 80 − ⊗	Wd	N-M	⊗	30	⊗	3000	19??-19??
RD 80 − ⊗	Ws	N-M	⊗	30	⊗	3000	19??-19??
W 27 − ⊗	Wd	N-M	⊗	27	⊗	3000	1980-1984
W 27 − ⊗	Ws	N-M	⊗	30	⊗	3000	1980-1984
WMD 8.3 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1987
WMD 11.0 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1987
W 27A − ⊗	Wd	N-M	⊗	30	⊗	3000	1984-1988
W 27A − Con	Ws	N-M	⊗	32?	⊗	3000	1984-1988
W 27A − Int	Ws	N-M	⊗	30	⊗	3000	1984-1988
W 27A − Max	Ws	N-M	⊗	27?	⊗	3000	1984-1988
38B Four − ⊗	Wd	N-M	⊗	37	⊗	3600	1987-2001
38B Four − ⊗	Ws	N-M	⊗	37	⊗	3600	1987-2001
8.3 BTD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1987-2001
11.0 BTD 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1987-2001

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: RD 80 Webpage. Brochure. SpecSheet. Installation Drawing. PartsList. Service Manual. *60.00ci Displacement is an error on Data Source, should read 80.00ci. 3 cyliner RD 60 is 60.00ci.
⇒ WESTERBEKE: W 27 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: W 27A Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: 38F Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Technical Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

1.318L / 80.43ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Mitsubishi S3L2	Mb	uI-3−P	78mm	92mm	⊗in	⊗in	1.318L / ⊗ci
Mitsubishi S3L2?	Wb	uI-3−P	⊗mm	⊗mm	⊗in	⊗in	1.32L / 80ci
Mitsubishi S3L2?	Ww	uI-3−P	⊗mm	⊗mm	3.07in	3.62in	⊗L / 80.43ci
Mitsubishi S3L2?	Ww	uI-3−P	⊗mm	⊗mm	3.07in	3.62in	⊗L / 80.43ci
Mitsubishi S3L2?	Ww	uI-3−P	⊗mm	⊗mm	3.07in	3.62in	⊗L / 80.43ci
Mitsubishi S3L2?	Ws	uI-3−P	78mm	92mm	3.07in	3.62in	1.318L / 80.42ci
Mitsubishi S3L2?	Ws	uI-3−P	78mm	92mm	3.07in	3.62in	1.318L / 80.43ci
Mitsubishi S3L2?	Ws	uI-3−P	78mm	92mm	3.07in	3.62in	1.318L / 80.43ci
Mitsubishi S3L2?	Wo	uI-3−P	78mm	92mm	3.07in	3.62in	1.318L / 80.4ci
Mitsubishi S3L2?	Wm	uI-3−P	78mm	92mm	3.07in	3.62in	1.318L / 80.4ci

⇑ MITSUBISHI
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
S3L2 − Int	Mb	N-M	⊗	28.4	⊗	3000	20??-
S3L2 − Gen	Mb	N-M	12.6m	⊗	⊗	1800	20??-
S3L2 − Gen	sMw	N-M	12.6	16.9	⊗	1800	20??-
S3L2 − ⊗	sMw	N-M	11.0	14.8	⊗	1500	20??-
S3L2 − ⊗	sMw	N-M	12.6	16.9	⊗	1800	20??-
S3L2 − ⊗	sMw	N-M	15.2	20.4	⊗	2000	20??-
S3L2 − ⊗	sMw	N-M	16.7	22.4	⊗	2200	20??-
S3L2 − ⊗	sMw	N-M	18.5	24.8	⊗	2500	20??-
S3L2 − ⊗	sMw	N-M	21.2	28.4	⊗	3000	20??-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
35C Three − ⊗	Wd	N-M	⊗	29	⊗	3600	2000-2002
35C Three − ⊗	Ws	N-M	⊗	29	⊗	3600	2000-2002
35C Three − ⊗	Wm	N-M	⊗	40*	⊗	3000	2002-2002
35D Three − ⊗	Wd	N-M	⊗	31	⊗	3000	2002-2005+?
35D Three − ⊗	Ws	N-M	23	31	⊗	3000	2002-2005+?
35D Three − ⊗	Wm	N-M	⊗	41*	⊗	3000	2002-2005+?
35E Three − ⊗	Wb	N-M	20.9	28	⊗	3000	20??-
35E Three − ⊗	Wd	N-M	⊗	28	⊗	3000	20??-
35E Three − ⊗	Ws	N-M	20.9	28	⊗	3000	20??-
35E Three − ⊗	Wm	N-M	⊗	41*	⊗	3000	2002-20??
6.0 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1500	2000-2005+?
7.5 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1500	2000-2005+?
9.2 BTD − Gen	Wm	N-M	⊗	⊗	⊗	1500	2002-20??
10.4 BTD − Gen	Wm	N-M	⊗	⊗	⊗	1500	2002-2005+?
8.0 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1800	2000-2005+?
10.0 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1800	2000-2005+?
11.5 BTD − Gen	Wm	N-M	⊗	⊗	⊗	1800	2002-20??
12.6 BTD − Gen	Wm	N-M	⊗	⊗	⊗	1800	2002-2005+?

NOTES:
⇑ MITSUBISHI: Webpage. Brochure, SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: 35C Three ebpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Callout Drawing (7/6/10). Service Manual.
⇒ WESTERBEKE: 35D Three ebpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Callout Drawing 54700. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 35E Three ebpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Service Manual. Wiring Diagram Rev N.
*HP is probably an error in Service Manual as manual shows same HP of 4 cylinder engine.

1489cc / 90.88ci
(British Leyland 4-91)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
British Leyland 4-91	Ww	uI-4−Ps	⊗mm	⊗mm	2.80in	3.5in	⊗L / 91.00ci
British Leyland 4-91	Ws	uI-4−Ps	⊗mm	⊗mm	2 7/8in	3½in	⊗L / 91ci
British Leyland 4-91	Wm	uI-4−Ps	73.05mm	88.9mm	2.8760in	3.50in	1489cc / 90.88ci

⇑ BRITISH LEYLAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-91 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇑? PERKINS?
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-91? − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-91 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1969-1975
W 30 − ⊗	Wd	N-M	⊗	25	⊗	2500	1975-1981
W 30 − ⊗	Ws	N-M	⊗	25	⊗	2500	1975-1981

NOTES:
⇑ BRITISH LEYLAND: 4-91 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇑ PERKINS: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-91 Webpage. Brochure. ~~SpecSheet. Installation Drawing. OpManual.~~ PartsList (from L-36). ~~Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C~~.
⇒ WESTERBEKE: W 30 Webpage. Brochure. SpecSheet. PartsList. Technical Manual. Formerly 4-91.

1.490L / 90.9ci~91ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 91.00ci
MfrModel	Ws	uI-4−P	78mm	78mm	3.07in	3.07in	1.490L / 91.00ci
MfrModel	Wo	uI-4−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 91ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 91.00ci
MfrModel	Ws	uI-4−P	78mm	78mm	3.07in	3.07in	1.490L / 91ci
MfrModel	Wo	uI-4−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 91ci
MfrModel	Ww	uI-4−P	⊗mm	⊗mm	3.07in	3.07in	⊗L / 90.93ci
MfrModel	Ws	uI-4−P	78mm	78mm	3.07in	3.07in	1.49L / 90.93ci
MfrModel	Wm	uI-4−P	78mm	78mm	3.07in	3.07in	1.49L / 90.9ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 33 − ⊗	Wd	N-M	⊗	33	⊗	3000	1980-1984
W 33 − Con	Ws	N-M	⊗	28*	⊗	3000	1980-1984
W 33 − Int	Ws	N-M	⊗	32*	⊗	3000	1980-1984
W 33 − Max	Ws	N-M	⊗	33	⊗	3000	1980-1984
WMD 9.4 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1987
WMD 12.5 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1980-1987
W 33A − ⊗	Wd	N-M	⊗	31	⊗	3000	1984-1988
W 33A − Usable	Ws	N-M	⊗	21	⊗	2000	1984-1988
W 33A − Con	Ws	N-M	⊗	28*	⊗	3000	1984-1988
W 33A − Usable	Ws	N-M	⊗	31	⊗	3000	1984-1988
W 33A − Int	Ws	N-M	⊗	32*	⊗	3000	1984-1988
W 33A − Max	Ws	N-M	⊗	33	⊗	3000	1984-1988
9.4 BTD 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1987-1988
12.5 BTD 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1987-1988
42B Four − ⊗	Wd	N-M	⊗	42	⊗	3600	1987-1999
42B Four − ⊗	Ws	N-M	31.3	42	⊗	3600	1987-1999
9.4 BTDA 50hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1988-2000
12.5 BTDA 60hz − Gen	Wm	N-M	⊗	⊗	⊗	⊗	1988-2000

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 33 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. *BHP from SpecSheet Performance Curve.
⇒ WESTERBEKE: W 33A Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. *BHP from SpecSheet Performance Curve.
⇒ WESTERBEKE: 42B Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

1599cc~1600cc / 1.6L / 97.60ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Ford 1600?	Ds	uI-4−D?	⊗mm	⊗mm	⊗in	⊗in	1600cc / 1.6L / ⊗ci
Ford 1600?	Wtm	uI-4−D?	81mm	77.6mm	⊗in	⊗in	1600cc / ⊗L / ⊗ci
Ford 1600?	Ww	uI-4−D?	⊗mm	⊗mm	3.19in	3.06in	⊗L / 97.60ci
Ford 1600?	Ws	uI-4−D?	81mm	77.6mm	3.189in	3.055in	⊗L / 97.6ci
Ford 1600?	Wm	uI-4−D?	81mm	77.6mm	⊗in	⊗in	1599cc / ⊗ci

⇑ FORD
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
1600? − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WATERMOTA
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Sea Panther Mk 2 − ⊗	Wtm	N-M	⊗	27	⊗	2500	1975?-1978?

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
L-25 − ⊗	Wd	N-M	⊗	22	⊗	2400	1975-1978
L-25 − ⊗	Ws	N-M	⊗	22	⊗	2400	1975-1978
L-25 − ⊗	Wm	N-M	⊗	10.8	⊗	1200	1975-1978
L-25 − ⊗	Wm	N-M	⊗	13.8	⊗	1400	1975-1978
L-25 − ⊗	Wm	N-M	⊗	16.8	⊗	1600	1975-1978
L-25 − ⊗	Wm	N-M	⊗	19.4	⊗	1800	1975-1978
L-25 − ⊗	Wm	N-M	⊗	21.8	⊗	2000	1975-1978
L-25 − ⊗	Wm	N-M	⊗	23.5	⊗	2200	1975-1978
L-25 − ⊗	Wm	N-M	⊗	25.6	⊗	2400	1975-1978
L-25 − ⊗	Wm	N-M	⊗	26.7	⊗	2600	1975-1978
L-25 − ⊗	Wm	N-M	⊗	34	⊗	2800	1975-1978

NOTES: Crossflow head.
⇑ FORD: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual. Ford Dieselized Cortina petrol engine.
⇒ WATERMOTA: Sea Panther Mk 2 Webpage. Brochure. SpecSheet. Service Manual. PartsList.
Sea Panther PartsList from StephensonMarine.co.uk.
⇒ WESTERBEKE: L-25 Webpage. Brochure. SpecSheet. Technical Manual & PartsList.

1.621L / 99ci
(Perkins 4.99)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Perkins 4.99	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 4.99	Ww	uI-4−W	⊗mm	⊗mm	3.00in	3.50in	⊗L / 99.00ci
Perkins 4.99	Ws	uI-4−W	⊗mm	⊗mm	3.00in	3.50in	⊗L / 99ci
Perkins 4.99	Wm	uI-4−W	76.2mm	88.9mm	3.00in	3.50in	1.621L / 99ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.99 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-99 − ?	Wd	N-M	?	34	?	3000	1960-1963
4-99 − Con	Ws	N-M	?	33	?	3000	1960-1963
4-99 − Int	Ws	N-M	?	40	?	3600	1960-1963
14088 Navy − ⊗	Ds	N-M	⊗	34	⊗	3000	1960?-1963?

NOTES:
⇑ PERKINS: 4.99 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-99 Webpage. Brochure. SpecSheet. OpManual, PartsList. Technical Manual.
⇒ WESTERBEKE: 14088A Navy Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
**Apparently, the 14088, 14088A, & 14088B Navy engines were based on the Perkins 4.99, then 4.107, & finally the 4.108 engines respectively as each model became available beginning in 1960 (4.99), 1964 (4.107), & 1975 (4.108).

1.758L / 104cc~107.27ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Mitsubishi S4L2	Mb	uI-4−P	78mm	92mm	⊗in	⊗in	1.758L / ⊗ci
Mitsubishi S4L2-66DM	Vo	uI-4−P	78mm	92mm	⊗in	⊗in	1.758L / 104ci
Mitsubishi S4L2-65DM	Vo	uI-4−P	78mm	92mm	⊗in	⊗in	1.758L / 104ci
Mitsubishi S4L2-T	Vo	uI-4−P	78mm	92mm	⊗in	⊗in	1.758L / 104ci
Mitsubishi S4L2?	Wb	uI-4−⊗	⊗mm	⊗mm	⊗in	⊗in	1.76L / 107ci
Mitsubishi S4L2?	Ww	uI-4−⊗	⊗mm	⊗mm	3.07in	3.62in	⊗L / 107.27ci
Mitsubishi? MVXL01.8?	Ww	uI-4−⊗	⊗mm	⊗mm	3.07in	3.62in	?L / 107.27ci
Mitsubishi S4L2?	Ww	uI-4−⊗	⊗mm	⊗mm	3.07in	3.62in	⊗L / 107.27ci
Mitsubishi S4L2?	Ws	uI-4−⊗	78mm	92mm	3.07in	3.62in	1.758L / 107.27ci
Mitsubishi? MVXL01.8?	Ws	uI-4−⊗	78mm	92mm	3.07in	3.62in	1.758L / 107.27ci
Mitsubishi S4L2?	Ws	uI-4−⊗	78mm	92mm	3.07in	3.62in	1.758L / 107.27ci
Mitsubishi S4L2?	Wo	uI-4−⊗	78mm	92mm	3.07in	3.62in	1.758L / 107.3ci
Mitsubishi S4L2?	Wm	uI-4−⊗	78mm	92mm	3.07in	3.62in	1.758L / 107.3ci

⇑ MITSUBISHI
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
S4L2 − Int	Mb	N-M	⊗	38.6	⊗	3000	20??-
S4L2 − Gen	Mb	N-M	17.0m	⊗	⊗	1800	20??-
S4L2-66DM − ⊗	Vo	N-M	30.9	42	⊗	3000	19??-
S4L2-65DM − ⊗	Vo	N-M	30.9	42	⊗	3000	19??-
S4L2-T − ⊗	Vo	N-M	38.3	52	⊗	3000	19??-
MVXL01.8? − ⊗	Wm	N-M	⊗	41	⊗	3000	20??-20??
S4L2 − Gen	sMw	N-M	17.0	22.8	⊗	1800	20??-
S4L2 − ⊗	sMw	N-M	14.7	19.7	⊗	1500	20??-
S4L2 − ⊗	sMw	N-M	18.0	24.1	⊗	1800	20??-
S4L2 − ⊗	sMw	N-M	20.2	27.0	⊗	2000	20??-
S4L2 − ⊗	sMw	N-M	22.3	29.9	⊗	2200	20??-
S4L2 − ⊗	sMw	N-M	25.1	33.7	⊗	2500	20??-
S4L2 − ⊗	sMw	N-M	28.8	38.6	⊗	3000	20??-

⇒ VETUS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
M4.35 − Max	Vo	N-M	24.3	33	⊗	3000	19??-
M4.15 SOLAS − Max	Vo	N-M	24.3	33	⊗	3000	19??-
M4.45 − Max	Vo	N-M	30.9	42	⊗	3000	19??-
M4.17 SOLAS − Max	Vo	N-M	30.9	42	⊗	3000	19??-
M4.56 − Max	Vo	N-M	38.3	52	⊗	3000	19??-
M4.55 SOLAS − Max	Vo	N-M	38.3	52	⊗	3000	19??-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
44A Four − ⊗	Wd	N-M	⊗	40	⊗	3600	1999-2002
44A Four − ⊗	Ws	N-M	29	40	⊗	3600	1999-2002
44A Four − ⊗	Wm	N-M	⊗	40	⊗	3600	1999-2002
44B Four − ⊗	Wd	N-M	⊗	44	⊗	3000	2002-2005+?
44B Four − ⊗	Ws	N-M	32	44	⊗	3000	2002-2005+?
44B Four − ⊗	Wm	N-M	⊗	41	⊗	3000	2002-2005+?
44C Four − ⊗	Wb	N-M	28.3	38	⊗	3000	20??-
44C Four − ⊗	Wd	N-M	⊗	38	⊗	3000	20??-
44C Four − ⊗	Ws	N-M	28.3	38	⊗	3000	20??-
44C Four − ⊗	Wm	N-M	⊗	41	⊗	3000	2002-20??
9.4 BTDB − Gen	Wm	N-M	⊗	⊗	⊗	1500	2000-2005+?
12.0 BTDC − Gen	Wm	N-M	⊗	⊗	⊗	1500	2000-2005+?
12.5 BTDB − Gen	Wm	N-M	⊗	⊗	⊗	1800	2000-2005+?
15.0 BTDC − Gen	Wm	N-M	⊗	25	⊗	1800	2000-2005+?

NOTES: Integrally cast motor mount brackets on cast aluminum flywheel housings tend to fracture especially with prop-strike events. Later housings (eg 44C+) have bolt-on steel brackets.
⇑ MITSUBISHI: MODEL Webpage. SpecSheet. OpManual, PartsList. Service Manual.
⇒ VETUS: MODEL Webpage. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 44A Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Callout Drawing 54694. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 44B Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Callout Drawing 54694 (7/16/10). Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 44C Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Callout Drawing 54694 (7/6/20). Service Manual. Wiring Diagram Rev N.

1.760L / 107.4ci
(Perkins 4.107)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Perkins 4.107	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 4.107	Ww	uI-4−W	⊗mm	⊗mm	3.13in	3.50in	⊗L / 107.00ci
Perkins 4.107	Ws	uI-4−W	⊗mm	⊗mm	3.13in	3.50in	⊗L / 107.00ci
Perkins 4.107	Wm	uI-4−W	79.37mm	88.9mm	3.125in	3.5in	1.760L / 107.4ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.107 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-107 − ⊗	Ww	N-M	⊗	40	⊗	3000	1963-1975
4-107 − Con	Ws	N-M	⊗	36*	⊗	3000	1963-1975
4-107 − ⊗	Ws	N-M	⊗	40	⊗	3000	1963-1975
4-107 − NMI	Ws	N-M	⊗	45*	⊗	3600	1963-1975
4-107 − SPRM	Ws	N-M	⊗	47*	⊗	4000	1963-1975
14088A Navy − ⊗	Ds	N-M	⊗	37	⊗	3000	1963?-1975?

NOTES:
⇑ PERKINS: 4.107 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-107 Webpage. Brochure. SpecSheet. PartsList. Service Manual. *BHP from SpecSheet Performance Curve.
⇒ WESTERBEKE: 14088A Navy Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
**Apparently, the 14088, 14088A, & 14088B Navy engines were based on the Perkins 4.99, then 4.107, & finally the 4.108 engines respectively as each model became available beginning in 1960 (4.99), 1964 (4.107), & 1975 (4.108).

1.760L / 107.4ci
(Perkins 4.108)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Perkins 4.108	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 4.108	Ww	uI-4−D	⊗mm	⊗mm	3.13in	3.50in	⊗L / 107.00ci
Perkins 4.108	Ws	uI-4−D	79.37mm	88.9mm	3.125in	3.5in	1.760L / 107.4ci
Perkins 4.108	Wm	uI-4−D	79.37mm	88.9mm	3.125in	3.5in	1.760L / 107.4ci
Perkins 4.108	Ww	uI-4−D	⊗mm	⊗mm	3.13in	3.50in	⊗L / 107.00ci
Perkins 4.108	Ws	uI-4−D	⊗mm	⊗mm	3.125in	3.50in	⊗L / 107.00ci
Perkins 4.108	Wm	uI-4−D	79.37mm	88.90mm	3.125in	3.5in	1.760L / 107.4ci
Perkins 4.108	Wm?	uI-4−D	79.37mm	88.9mm	3.125in	3.5in	1.760L / 107.4ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.108 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1975?-1993?

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-108 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1975-1978
LB-49 − ⊗	Ds	N-M	⊗	49?	⊗	⊗	1975-1980
W 40 − ⊗	Wd	N-M	⊗	37	⊗	3000	1978-1990
W 40 − Con	Ws	N-M	⊗	37	⊗	3000	1978-1990
W 40 − Max	Ws	N-M	⊗	40	⊗	3000	1978-1990
40LS − ⊗	Wd	N-M	⊗	37	⊗	3000	1978-1990
W 40A − ⊗	Wd	N-M	⊗	37	⊗	3000	1978?-1990?
W 40A − ⊗	Ws	N-M	⊗	37	⊗	3000	1978?-1990?
40NA − ⊗	Wm	N-M	⊗	37	⊗	3000	1985-1990
40LB − ⊗	Ds	N-M	⊗	37?	⊗	3000?	1985-1990
14088B Navy − ⊗**	Wm	N-M	⊗	37	⊗	3000	1990-1993

NOTES:
⇑ PERKINS: 4.108 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-108 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒WESTERBEKE: W 40 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 40A Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 40NA Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: 14088B Navy Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
LS = LifeShere. LB = LifeBoat. **Apparently, the 14088, 14088A, & 14088B Navy engines were based on the Perkins 4.99, then 4.107, & finally the 4.108 engines respectively as each model became available beginning in 1960 (4.99), 1964 (4.107), & 1975 (4.108).

110ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−P?	⊗mm	⊗mm	3.16in	3.50in	⊗L / 110.00ci
MfrModel	Ws	uI-4−P?	⊗mm	⊗mm	3-5/32in	3½in	⊗L / 110ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 50 − ⊗	Wd	N-M	⊗	41	⊗	3200	1977-1979
W 50 − Con	Ws	N-M	⊗	41	⊗	3200	1977-1979
W 50 − Max	Ws	N-M	⊗	45*	⊗	3200	1977-1979

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 50 Webpage. Brochure. SpecSheet. OpManual, PartsList. Technical Manual. *BHP from SpecSheet Performance Curve.

2084cc / 127.1ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−D	⊗mm	⊗mm	3.30in	3.70in	⊗L / 127.00ci
MfrModel	Ws	uI-4−D	⊗mm	⊗mm	3.3in	3.7in	⊗L / 128ci
MfrModel	Ws	uI-4−D	84mm	94⊗mm	3.307in	3.701in	2084cc / 127.1ci
MfrModel	Wo	uI-4−D	84mm	94⊗mm	3.307in	3.701in	2084cc / 127.1ci
MfrModel	Wm	uI-4−D	84mm	94⊗mm	3.307in	3.701in	2084cc / 127.1ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 46 − ⊗	Wd	N-M	⊗	46	⊗	3000	1985-1990
W 46 − CRPO	Ws	N-M	⊗	30	⊗	2000	1985-1990
W 46 − CRPO	Ws	N-M	⊗	37	⊗	2500	1985-1990
W 46 − CRPO	Ws	N-M	⊗	42	⊗	3000	1985-1990
W 46 − URPO	Ws	N-M	⊗	34	⊗	2000	1985-1990
W 46 − URPO	Ws	N-M	⊗	42	⊗	2500	1985-1990
W 46 − URPO	Ws	N-M	⊗	46	⊗	3000	1985-1990
W 46 − Max	Ws	N-M	⊗	64	⊗	3800	1985-1990
W 46 − ⊗	Wo	N-M	⊗	46	⊗	3000	1985-1990
W 46 − Con	Wo	N-M	⊗	43	⊗	3000	1985-1990
W 46 − Int	Wo	N-M	⊗	47.5	⊗	3000	1985-1990
W 46 − Con	Wm	N-M	⊗	42	⊗	3000	1985-1990
W 46 − Max	Wm	N-M	⊗	46	⊗	3000	1985-1990
12 BTD 50hz − Gen	W	N-M	⊗	⊗	⊗	1500	1987-1990
15 BTD 60hz − Gen	W	N-M	⊗	30	⊗	1800	1987-1990

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 46 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram 033685 Rev B (7/12/12). Wiring Diagram 036467 Rev B (7/12/12).

2.18L / 133.2ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−D	⊗mm	⊗mm	3.38in	3.70in	⊗L / 133.20ci
MfrModel	Ws	uI-4−D	86.0mm	94.0mm	3.38in	3.70in	2.18L / 133.2ci
MfrModel	Wo	uI-4−D	86.0mm	94.0mm	3.38in	3.70in	2.18L / 133.2ci
MfrModel	Wm	uI-4−D	86.0.0mm	94.0.0mm	3.38in	3.70in	2.18L / 133.2ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.35in	3.78in	⊗L / 133.20ci
MfrModel	Ws	uI-4−⊗	85mm	96mm	3.35in	3.78in	2.18L / 133.2ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.35in	3.78in	⊗L / 133.00ci
MfrModel	Ws	uI-4−⊗	85mm	96mm	3.35in	3.78in	2.18L / 133ci
MfrModel	Wc	uI-4−⊗	⊗mm	⊗mm	⊗in	⊗in	2.18L / 133ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.35in	3.78in	⊗L / 133.00ci
MfrModel	Ws	uI-4−⊗	85mm	96mm	3.35in	3.78in	2.18L / 133.0ci
MfrModel	Wo	uI-4−⊗	85mm	96mm	3.35in	3.78in	2.179L / 133ci
MfrModel	Wm	uI-4−⊗	85mm	96mm	3.35in	3.78in	2.179L / 133ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
55A Four − ⊗	Wd	N-M	⊗	55	⊗	3600	1995-2002
55A Four − ⊗	Ws	N-M	41	55	⊗	3600	1995-2002
55B Four − ⊗	Wd	N-M	⊗	55	⊗	3000	2002-2005
55B Four − ⊗	Ws	N-M	40	55	⊗	3000	2002-2005
55C Four − ⊗	Wd	N-M	⊗	55	⊗	3000	2005-2005+?
55C Four − ⊗	Ws	N-M	40	55	⊗	3000	2005-2005+?
55D Four − ⊗	Wc	N-M	35.9	48	⊗	2600	20??-
55D Four − ⊗	Wd	N-M	⊗	48	⊗	2600	20??-
55D Four − ⊗	Ws	N-M	35.9	48	⊗	2600	20??-

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 55A Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 55B Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList (Parts Callout Drawing). Service Manual, Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 55C Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList (Parts Callout Drawing). Service Manual, Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 55D Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList (Parts Callout Drawing). Service Manual. Wiring Diagram Rev N.

2209cc / 2.21L / 134.80ci
(Perkins 4.135 ⇒ Mazda S2*)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 4.135	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	3.51in	?L / 134.80ci
Perkins 4.135	Ws	uI-4−⊗	⊗mm	⊗mm	3.50in	3.51in	?L / 134.8ci
Perkins 4.135	Wo	uI-4−⊗	⊗mm	⊗mm	3.5in	3.51in	?L / 135ci
Perkins 4.135	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	3.51in	⊗L / 134.80ci
Perkins 4.135	Ws	uI-4−⊗	88.9mm	89.1mm	3.50in	3.51in	2.21L / 134.8ci
Perkins 4.135	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	3.51in	⊗L / 134.80ci
Perkins 4.135	Ws	uI-4−⊗	88.9mm	89.1mm	3.50in	3.51in	2.21L / 134.8ci
Perkins 4.135	Wo	uI-4−⊗	88.9mm	89.1mm	3.50in	3.51in	2.21L / 134.8ci
Perkins 4.135	Wm	uI-4−⊗	88.9mm	89.1mm	3.50in	3.51in	2.21L / 134.8ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.135 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇑ MAZDA*
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
S2 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1979?-1986?

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 52 − ⊗	Wd	N-M	⊗	52	⊗	3000	1981-1990
W 52 − ⊗	Ws	N-M	⊗	52	⊗	⊗	1981-1990
W 52 − Con	Ws	N-M	⊗	30	⊗	2000	1981-1990
W 52 − Con	Ws	N-M	⊗	45	⊗	3000	1981-1990
W 52 − Con	Ws	N-M	⊗	56	⊗	4000	1981-1990
W 52 − Int	Ws	N-M	⊗	35	⊗	2000	1981-1990
W 52 − Int	Ws	N-M	⊗	53	⊗	3000	1981-1990
W 52 − Int	Ws	N-M	⊗	66	⊗	4000	1981-1990
W 52 − Con	Wo	N-M	⊗	45	⊗	3000	1981-1990
W 52 − Int	Wo	N-M	⊗	53	⊗	3000	1981-1990
W 52 − Max	Wm	N-M	⊗	52	⊗	3000	1981-1990
12 WTA − Gen	Wm	N-M	⊗	⊗	⊗	1500	1981-1988
15 WTA − Gen	Wm	N-M	⊗	⊗	⊗	1800	1981-1988
12 WMF − Gen	Wm	N-M	⊗	⊗	⊗	1500	1988-1990
15 WMF − Gen	Wm	N-M	⊗	⊗	⊗	1800	1988-1990
63B Four − ⊗	Wd	N-M	⊗	63	⊗	3600	1990-1994
63B Four − ⊗	Ws	N-M	⊗	63	⊗	3600	1990-1994
63B Four − Max	Wo	N-M	⊗	63	⊗	3600	1990-1994
63B Four − Max	Wm	N-M	⊗	63	⊗	3600	1990-1994
12 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1500	1990-1994
15 BTDA − Gen	Wm	N-M	⊗	⊗	⊗	1800	1990-1994
63C Four − ⊗	Wd	N-M	⊗	63	⊗	3600	1994-2000
63C Four − ⊗	Ws	N-M	47	63	⊗	3600	1994-2000
63C Four − Max	Wo	N-M	⊗	63	⊗	3600	1994-2000
63C Four − Max	Wm	N-M	⊗	63	⊗	3600	1994-2000
12 BTDB − Gen	Wm	N-M	⊗	⊗	⊗	1500	1994-2000
15 BTDB − Gen	Wm	N-M	⊗	⊗	⊗	1800	1994-2000

NOTES:
⇑ PERKINS: 4.135 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
*Developed by Perkins especially for Mazda. Produced only by Perkins licencee Toyo Kogyo (Mazda).
⇑ MAZDA: S2 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual. (from Wikipedia)
⇒ WESTERBEKE: W 52 Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual.
⇒ WESTERBEKE: 63B Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 63C Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

2.32L / 144.4ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.60in	3.50in	⊗L / 144.40ci
MfrModel	Ws	uI-4−⊗	92mm	89mm	3.6in	3.5in	2.32L / 144.4ci
MfrModel	Wo	uI-4−⊗	92.0mm	89.1mm	3.62in	3.51in	2.21L / 134.8ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	20??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
63D Four − ⊗	Wd	N-M	⊗	61	⊗	4000	2001-2003
63D Four − ⊗	Ws	N-M	46	61	⊗	4000	2001-2003
63D Four − ⊗	Wo	N-M	⊗	63	⊗	4000	2001-2003

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 63D Four Webpage. Brochure. SpecSheet. OpManual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

2520cc / 2.523L / 154ci
(Perkins 4.154 ⇒ Mazda XA*)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Perkins 4.154	Pm	uI-4−D	89.9mm	101.6mm	3.5in	4.0in	2.523L / 153.9ci
Perkins 4.154	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	4.00in	⊗L / 154.00ci
Perkins 4.154	Ws	uI-4−⊗	⊗mm	⊗mm	3.50in	4.00in	⊗L / 154.00ci
Perkins 4.154	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	4.00in	⊗L / 154.20ci
Perkins 4.154	Ws	uI-4−⊗	89mm	101.6mm	3.50in	4.00in	⊗L / 154.20ci
Perkins 4.154	Wm	uI-4−⊗	89mm	101.6mm	3.50in	4.00in	2520cc / 154.2ci
Perkins 4.154	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	4.00in	⊗L / 154.00ci
Perkins 4.154	Ws	uI-4−⊗	88.9mm	101.6mm	3.50in	4.00in	2.5L / 154.00ci
Perkins 4.154	Ww	uI-4−⊗	⊗mm	⊗mm	3.50in	4.00in	⊗L / 154.00ci
Perkins 4.154	Ws	uI-4−⊗	88.9mm	101.6mm	3.50in	4.00in	2.5L / 154.0ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.154 − Con	Pm	N-M	⊗	55	⊗	3000	19??-19??
4.154 − Com	Pm	N-M	⊗	62	⊗	3000	19??-19??
4.154 − Int	Pm	N-M	⊗	70	⊗	3600	19??-19??

⇑ MAZDA*
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
XA − Con	Pm	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-154 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1972-1977
W 58 − ⊗	Wd	N-M	⊗	58	⊗	3000	1981-1991
W 58 − ⊗	Ws	N-M	⊗	58	⊗	⊗	1981-1991
W 58 − Con	Ws	N-M	⊗	38	⊗	2000	1981-1990
W 58 − Con	Ws	N-M	⊗	46.9	⊗	2500	1981-1990
W 58 − Con	Ws	N-M	⊗	52.8	⊗	3000	1981-1990
W 58 − Int	Ws	N-M	⊗	44.8	⊗	2000	1981-1990
W 58 − Int	Ws	N-M	⊗	55.2	⊗	2500	1981-1990
W 58 − Int	Ws	N-M	⊗	62	⊗	3000	1981-1990
W 58 − ⊗	Ws	N-M	⊗	69	⊗	3600	1981-1990
W 60 − ⊗	Wd	N-M	⊗	53	⊗	2500	1977-1980
W 60 − Con	Ws	N-M	⊗	48	⊗	2500	1977-1980
W 60 − Int	Ws	N-M	⊗	53	⊗	2500	1977-1980
W 60 − Int	Ws	N-M	⊗	60	⊗	3000	1977-1980
W 60 − Con	Wm	N-M	⊗	53	⊗	2500	1977-1980
W 60 − Int	Wm	N-M	⊗	60	⊗	3000	1977-1980
71B Four − ⊗	Wd	N-M	⊗	71	⊗	3600	1991-1994
71B Four − ⊗	Ws	N-M	⊗	71	⊗	3600	1991-1994
71C Four − ⊗	Wd	N-M	⊗	71	⊗	3600	1994-2005+?
71C Four − ⊗	Ws	N-M	52	71	⊗	3600	1994-2005+?

NOTES:
⇑ PERKINS: 4.154 Webpage. Brochure. SpecSheet. OpManual, Parts Manual. Workshop Manual.
*Developed by Perkins especially for Mazda. Produced only by Perkins licencee Toyo Kogyo (Mazda). Designed with sister engine 6.231. Later developed into 4.165/6.247 family. (from Wikipedia)
⇑ MAZDA: XA Webpage. Brochure. SpecSheet. OpManual, Parts Manual. Workshop Manual.
⇒ WESTERBEKE: 4-154 Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.
⇒ WESTERBEKE: W 58 Webpage. Brochure. SpecSheet. OpManual. PartsList. Technical Manual.
⇒ WESTERBEKE: W 60 Webpage. Brochure. SpecSheet. PartsList. Service Manual.
⇒ WESTERBEKE: 71B Four Webpage. Brochure. SpecSheet. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 71C Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

2.977L / 182.00ci
(Perkins 4.182 ⇔ Mazda HA*)

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 4.182	Ww	uI-4−⊗	⊗mm	⊗mm	95.00in**	105.00in**	⊗L / 182.00ci
Perkins 4.182	Ws	uI-4−⊗	95mm	105mm	3.74in	4.13in	2.977L / 182.00ci
Perkins 4.182	Ww	uI-4−⊗	⊗mm	⊗mm	3.74in	4.13in	⊗L / 182.00ci
Perkins 4.182	Ws	uI-4−⊗	95mm	105mm	3.74in	4.13in	2.977L / 182ci
Perkins 4.182	Ww	uI-4−⊗	⊗mm	⊗mm	3.74in	4.13in	⊗L / 182.00ci
Perkins 4.182	Ws	uI-4−⊗	95mm	105mm	3.74in	4.13in	2.977L / 182.00ci
Mazda HA	Mm	uI-4−⊗	95.0mm	105.0mm	3.74in	4.13in	2.977L / 181.60ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4.182 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇑ MAZDA*
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
HA − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 70 − ⊗	Wd	N-M	⊗	70	⊗	3000	1982-1991
W 70 − ⊗	Ws	N-M	⊗	70	⊗	⊗	1982-1991
W 70 − Con	Ws	N-M	⊗	49	⊗	2000	1982-1991
W 70 − Con	Ws	N-M	⊗	59	⊗	2500	1982-1991
W 70 − Con	Ws	N-M	⊗	62	⊗	3000	1982-1991
W 70 − Int	Ws	N-M	⊗	57.5	⊗	2000	1982-1991
W 70 − Int	Ws	N-M	⊗	69	⊗	2500	1982-1991
W 70 − Int	Ws	N-M	⊗	73	⊗	3000	1982-1991
W 70 − Max	Ws	N-M	⊗	78	⊗	3800	1982-1991
82B Four − ⊗	Wd	N-M	⊗	82	⊗	3600	1991-2005+?
82B Four − ⊗	Ws	N-M	⊗	82	⊗	3600	1991-2005+?
20 BED − Gen	Ds	N-M	⊗	⊗	⊗	1500	20??-20??
25 BED − Gen	Ds	N-M	⊗	⊗	⊗	1800	20??-20??
64A Four − ⊗	Wd	N-M	⊗	64⊗	2600	2003-2005+?
64A Four − ⊗	Ws	N-M	47	64	⊗	2600	2003-2005+?

NOTES:
⇑ PERKINS: 4.182 Webpage. Brochure. SpecSheet. OpManual, Parts Manual. Workshop Manual.
*Developed by Perkins especially for Mazda. Produced only by Perkins licencee Toyo Kogyo (Mazda). (from Wikipedia)
⇑ MAZDA: HA Webpage. Brochure. SpecSheet. OpManual, Parts Manual. Workshop Manual.
⇒ WESTERBEKE: W 70 Webpage. Brochure. SpecSheet. OpManual. PartsList. Technical Manual. **95.00in & 105.00in are errors on Data Source, should read 95.00mm & 105.00mm.
⇒ WESTERBEKE: 82B Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 64A Four Webpage. Brochure. SpecSheet. OpManual. Parts Callout Drawing. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

3.3L / 202.5ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.86in	4.33in	⊗L / 202.50ci
MfrModel	Ws	uI-4−⊗	98.0mm	110.0mm	3.86in	4.33in	3.3L / 202.5ci
MfrModel	Wo	uI-4−⊗	98.0mm	110.0mm	3.86in	4.33in	3.31L / 202.53ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
65A Four − ⊗	Wd	N-M	⊗	68	⊗	2600	19??-19??
65A Four − ⊗	Ws	N-M	50.7	68	⊗	2600	19??-19??
65A Four − ⊗	Wo	N-M	⊗	68	⊗	2600	19??-19??
20 EDER − Gen	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??
25.5 EDE − Gen	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??
26.0 EDER − Gen	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??
28.5 EDE − Gen	Ds	N-M	⊗	⊗	⊗	1500	19??-19??
33 EDE − Gen	Ds	N-M	⊗	⊗	⊗	1800	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 65A Four Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. Parts Callout Drawing (7/29/11). Parts Callout Drawing (6/26/14). Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

3455cc / 3.5L / 210.8ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Mazda SL	Mm	uI-4−⊗	100.0mm	110.0mm	3.94in	4.33in	3455cc / ⊗L / 210.76ci
Mazda SL	Ww	uI-4−⊗	⊗mm	⊗mm	3.94in	4.33in	L / 210.80ci
Mazda SL	Ws	uI-4−⊗	100.1mm	110mm	3.94in	4.33in	3.5L / 210.8ci
Mazda SL	Wm	uI-4−⊗	100.0mm	110.0mm	3.94in	4.33in	3.5L / 210.8ci

⇑ MAZDA
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
SL − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
90A Four − ⊗	Wd	N-M	⊗	90	⊗	3600	1999-2005+?
90A Four − ⊗	Ws	N-M	67	90	⊗	3600	1999-2005+?
90A Four − ⊗	Wm	N-M	⊗	90	⊗	3600	1999-2005+?
25.0kW-50hz BEDA − Gen	Wm	N-M	⊗	⊗	⊗	1500	1999-20??
32.0kW-60hz BEDA − Gen	Wm	N-M	⊗	⊗	⊗	1800	1999-20??

NOTES:
⇑ MAZDA: SL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 90A Four Webpage. Brochure. SpecSheet. Installation Drawing. PartsList. Service Manual. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.

3.62L / 220.90ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Wc	uI-4−⊗	⊗mm	⊗mm	⊗in	⊗	3.62L / 221ci
MfrModel	Ws	uI-4−⊗	98mm	120mm	3.86in	4.72in	3.62L / 220.90ci
MfrModel	Wo	uI-4−⊗	98mm	120mm	3.86in	4.72in	3.31L* / 202.53ci*
MfrModel	Wm	uI-4−⊗	98mm	120mm	3.86in	4.72in	3.62L / 220.9ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
65B Four − ⊗	Wc	N-M	49.2	66	⊗	2600	19??-19??
65B Four − ⊗	Wd	N-M	⊗	66	⊗	2600	19??-19??
65B Four − ⊗	Ws	N-M	49.2	66	⊗	2600	19??-19??
65B Four − ⊗	Wo	N-M	⊗	66	⊗	2600	19??-19??
65B Four − ⊗	Wm	N-M	⊗	66	⊗	2600	19??-19??
28.5 EDEA − Gen	Wm	N-M	⊗	⊗	⊗	1500	19??-19??
33.0 EDEA − Gen	Wm	N-M	⊗	⊗	⊗	1800	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 65B Four Webpage. Brochure. SpecSheet. Installation Drawing 53998. OpManual. Parts Callout Drawing. Service Manual. Wiring Diagram Rev M, *3.31L / 202.53ci displacement is an error on Data Source.

230ci~230.2ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-4−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / 230ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.86in	4.92in	⊗L / 230.00ci
MfrModel	Ws	uI-4−⊗	98mm	125mm	3.86in	4.92in	⊗L / 230.2ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
4-230 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1972-1978
W 80 − ⊗	Wd	N-M	⊗	75	⊗	2600	1978-1982
W 80 − ⊗	Ws	N-M	⊗	75	⊗	2600	1978-1982

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 4-230 Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.
⇒ WESTERBEKE: W 80 Webpage. Brochure. SpecSheet. PartsList.

4.0521L / 247.20ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
Perkins 6.247	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
Perkins 6.247	Ws	uI-6−⊗	⊗mm	⊗mm	3.62in	4.00in	⊗L / 247.20ci
Perkins 6.247	Ws	uI-6−⊗	⊗mm	⊗mm	3.62in	4in	4.0521L / 247.20ci
Perkins 6.247	Wo	uI-6−⊗	⊗mm	⊗mm	3.62in	4in	⊗L / 247ci
Perkins 6.247	Wm	uI-6−⊗	92.0mm	101.6mm	3.62in	4.00in	4052cc / 247.3ci
Perkins 6.247	Ws	uI-6−⊗	⊗mm	⊗mm	3.62in	4.00in	⊗L / 247.20ci
Perkins 6.247	Ws	uI-6−⊗	91.9mm	101.6mm	3.62in	4.00in	4.05L / 247.2ci
Perkins 6.247	Ws	uI-6−⊗	⊗mm	⊗mm	3.62in	4.00in	⊗L / 247.20ci
Perkins 6.247	Ws	uI-6−⊗	91.9mm	⊗mm	3.62in	4.00in	4.05L / 247.2ci
Perkins 6.247	Wo	uI-6−⊗	91.9mm	101.6mm	3.62in	3.40in*	4.05L / 247.2ci

⇑ PERKINS
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
6.247 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 100 − ⊗	Wd	N-M	⊗	100	⊗	3000	1982-1991
W 100 − ⊗	Ws	N-M	⊗	100	⊗	3000?	1982-1991
W 100 − Con	Ws	N-M	⊗	63.8	⊗	2000	1982-1991
W 100 − Con	Ws	N-M	⊗	77	⊗	2500	1982-1991
W 100 − Con	Ws	N-M	⊗	87.6	⊗	3000	1982-1991
W 100 − Int	Ws	N-M	⊗	75	⊗	2000	1982-1991
W 100 − Int	Ws	N-M	⊗	90.5	⊗	2500	1982-1991
W 100 − Int	Ws	N-M	⊗	103	⊗	3000	1982-1991
W 100 − Con	Wo	N-M	⊗	88	⊗	3000	1982-1991
W 100 − Int	Wo	N-M	⊗	103	⊗	3000	1982-1991
20 WTA − Gen	Wo	N-M	⊗	⊗	⊗	1500	1982-1985
25 WTA − Gen	Wo	N-M	⊗	⊗	⊗	1800	1982-1985
20 WMF − Gen	Wo	N-M	⊗	⊗	⊗	1500	1985-1992
25 WMF − Gen	Wo	N-M	⊗	⊗	⊗	1800	1985-1992
25 − Gen	Wo	N-M	⊗	⊗	⊗	1500	1982-1991
32 − Gen	Wo	N-M	⊗	⊗	⊗	1800	1982-1991
108B Six − ⊗	Wd	N-M	⊗	108	⊗	3600	1991-1994
108B Six − ⊗	Ws	N-M	⊗	108	⊗	3600	1991-1994
108B Four − ⊗**	Wo	N-M	⊗	108	⊗	3600	1991-1994
25 BED − Gen	Wo	N-M	⊗	⊗	⊗	1500	1993-1994
32 BED − Gen	Wo	N-M	⊗	⊗	⊗	1800	1993-1994
108C − ⊗	Wd	N-M	⊗	108	⊗	3600	1994-2005+?
108C − ⊗	Ws	N-M	⊗	108	⊗?	3600	1994-2005+?
108C Four − ⊗**	Wo	N-M	⊗	108	⊗	3600	1994-2005+?
25 BEDA− Gen	Wo	N-M	⊗	⊗	⊗	1500	1994-2005+?
32 BEDA− Gen	Wo	N-M	⊗	⊗	⊗	1800	1994-2005+?

NOTES:
⇑ PERKINS: 6.247 Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual. Fitted to Dodge 50 range in the UK. Also known as the ‘Black’ Perkins engine.
⇒ WESTERBEKE: W 100 Webpage. Brochure. SpecSheet. OpManual. PartsList. Technical Manual.
⇒ WESTERBEKE: 108B Six Webpage. Brochure. SpecSheet. OpManual. PartsList. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N.
⇒ WESTERBEKE: 108C Webpage. Brochure. SpecSheet. OpManual. PartsList. Wiring Diagram Rev J. Wiring Diagram Rev K, Wiring Diagram Rev L. Wiring Diagram Rev M, Wiring Diagram Rev N. *3.40in stroke is an error on Data Source. **Four is an error on Data Source.

4.3L / 262ci~264.00ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 262.00ci
MfrModel	Ws	uI-4−⊗	105mm	125mm	4.13in	4.92in	4.3L / 262ci
MfrModel	Wo	uI-4−⊗	102.0mm	118.0mm	4.02in	4.65in	4.3L / 262ci
MfrModel	Wm	uI-4−⊗	102.0mm	118.0mm	4.02in	4.65in	4.3L / 262ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 262.00ci
MfrModel	Ws	uI-4−⊗	105mm	125mm	4.13in	4.92in	4.3L / 262ci
MfrModel	Wo	uI-4−⊗	102.0mm	118.0mm	4.02in	4.65in	4.3L / 262ci
MfrModel	Wm	uI-4−⊗	102.0mm	118.0mm	4.02in	4.65in	4.3L / 262ci
MfrModel (Gen)	Wm	uI-4−⊗	102.0mm	118.0mm	4.02in	4.65in	4.3L / 202ci*
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 264.00ci
MfrModel	Ws	uI-4−⊗	105mm	125mm	4.13in	4.92in	4.3L / 264.00ci
MfrModel	Wo	uI-4−⊗	105.0mm	125.0mm	4.13in	4.92in	4.3L / 264ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	20??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Century 80-N4 − ⊗	Wd	N-M	⊗	80	⊗	2500	2001-2004
Century 80-N4 − ⊗	Ws	N-M	59	80	⊗	2500	2001-2004
Century 80-N4 − ⊗	Wo	N-M	⊗	80?	⊗	2500?	2001-2004
Century 80-N4 − ⊗	Wm	N-M	⊗	80	⊗	2500	2001-2004
35 BED 50hz − Gen	Wm	N-M	⊗	60	⊗	1500	2001-2004
45 BED 60hz − Gen	Wm	N-M	⊗	70	⊗	1800	2001-2004
35 BEDA 50hz − Gen	Wm	N-M	⊗	60	⊗	1500	2005-2005+?
45 BEDA 60hz − Gen	Wm	N-M	⊗	70	⊗	1800	2005-2005+?
Century 110-T4 − ⊗	Wd	T-M	⊗	110	⊗	2400	2001-2004
Century 110-T4 − ⊗	Ws	T-M	82	110	⊗	2400	2001-2004
Century 110-T4 − ⊗	Wo	T-M	⊗	110	⊗	2400	2001-2004
Century 110-T4 − ⊗	Wm	T-M	⊗	110	⊗	2400	2001-2004
45 BED 50hz − Gen	Wm	T-M	⊗	80	⊗	1500	2001-2005
55 BED 60hz − Gen	Wm	T-M	⊗	90	⊗	1800	2001-2005
Century 120-T4A − ⊗	Wd	T-M	⊗	126	⊗	2400	2005-2005+?
Century 120-T4A − ⊗	Ws	T-M	93	126	⊗	2400	2005-2005+?
Century 120-T4A − ⊗	Wo	T-M	⊗	126	⊗	2400	2005-2005+?

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Century 80-N4 Webpage. Brochure. SpecSheet. OpManual. Parts Callout Drawing. Service Manual. Wiring Diagram Rev A.
⇒ WESTERBEKE: Century 110-T4 Webpage. Brochure. SpecSheet. OpManual. Parts Callout Drawing. Service Manual. Wiring Diagram 044781. Wiring Diagram Rev A. *202ci is an error on Data Source.
⇒ WESTERBEKE: Century 120-T4A Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. Parts Callout Drawing. Wiring Diagram Rev A.

345.3ci~346ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-6−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / 346ci
MfrModel	Ws	uI-6−W	⊗mm	⊗mm	3.96in	4.92in	⊗L / 345.30ci
MfrModel	Ws	uI-6−W	98mm	125mm	3.86in	4.92in	⊗L / 345.3ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
6-346 − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	1972-1978
W 120 − ⊗	Wd	N-M	⊗	115	⊗	2600	1978-1982
W 120 − Con	Ws	N-M	⊗	90*	⊗	2400	1978-1982
W 120 − Int	Ws	N-M	⊗	103*	⊗	2600	1978-1982
W 120 − Max	Ws	N-M	⊗	115	⊗	2600	1978-1982

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: 6-346 Webpage, Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 120 Webpage. Brochure. SpecSheet. PartsList. *HP from SpecSheet Power Curve. Sometimes called Performance-Six.

6.5L / 396ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	DS	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗cc / ⊗L / ⊗ci
MfrModel	Ww	uI-6−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 396.00ci
MfrModel	Ws	uI-6−⊗	105mm	125mm	4.13in	4.92in	6.5L / 396ci
MfrModel	Wo	uI-6−⊗	105.0mm	125.0mm	4.13in	4.92in	6.5L / 296ci*
MfrModel	Wm	uI-6−⊗	105.0mm	125.0mm	4.13in	4.92in	6.5L / 296ci*
MfrModel	Ww	uI-6−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 396.00ci
MfrModel	Ws	uI-6−⊗	105mm	125mm	4.13in	4.92in	6.5L / 396ci
MfrModel	Wo	uI-6−⊗	105.0mm	125.0mm	4.13in	4.92in	6.5L / 423ci*
MfrModel	Wm	uI-6−⊗	105.0mm	125.0mm	4.13in	4.92in	6.5L / 423ci*
MfrModel	Ww	uI-6−⊗	⊗mm	⊗mm	4.13in	4.92in	⊗L / 396.00ci
MfrModel	Ws	uI-6−⊗	105mm	125mm	4.13in	4.92in	6.5L / 396.00ci
MfrModel	Wo	uI-6−⊗	105.0mm	125.0mm	4.13in	4.92in	6.5L / 396ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	20??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Century 120-N6 − ⊗	Wd	N-M	⊗	120	⊗	2500	2001-2005
Century 120-N6 − ⊗	Ws	N-M	89	120	⊗	2500	2001-2005
Century 120-N6 − ⊗	Wo	N-M	⊗	120	⊗	2500	2001-2005
Century 120-N6 − ⊗	Wm	N-M	⊗	120	⊗	2500	2001-2005
50 BEDA 50hz − Gen	Wm	N-M	⊗	85	⊗	1500	2005-2005+?
60 BEDA 60hz − Gen	Wm	N-M	⊗	100	⊗	1800	2005-2005+?
55 BED 50hz − Gen	Wm	N-M	⊗	85	⊗	1500	2001-2005
65 BED 60hz − Gen	Wm	N-M	⊗	100	⊗	1800	2001-2005
Century 170-T6 − ⊗	Wd	T-M	⊗	170	⊗	2500	2001-2004
Century 170-T6 − ⊗	Ws	T-M	127	170	⊗	2500	2001-2004
Century 170-T6 − ⊗	Wo	T-M	⊗	170	⊗	2500	2001-2004
Century 170-T6 − ⊗	Wm	T-M	⊗	170	⊗	2500	2001-2004
60 BEDA 50hz − Gen	Wm	T-M	⊗	125	⊗	1500	2005-2005+?
70 BEDA 60hz − Gen	Wm	T-M	⊗	145	⊗	1800	2005-2005+?
80 BED 50hz − Gen	Wm	T-M	⊗	125	⊗	1500	2001-2004
95 BED 60hz − Gen	Wm	T-M	⊗	145	⊗	1800	2001-2004
80 BEDA 50hz − Gen	Wm	T-M	⊗	125	⊗	1500	2005-2005+?
95 BEDA 60hz − Gen	Wm	T-M	⊗	145	⊗	1800	2005-2005+?
Century 170-T6A − ⊗	Wd	T-M	⊗	173	⊗	2200	2005-2005+?
Century 170-T6A − ⊗	Ws	T-M	129	173	⊗	2200	2005-2005+?
Century 170-T6A − ⊗	Wo	T-M	⊗	173	⊗	2200	2005-2005+?

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Century 120-N6 Webpage. Brochure. SpecSheet. OpManual. Parts Callout Drawing. Service Manual. Wiring Diagram Rev A. *296ci is an error on Data Source.
⇒ WESTERBEKE: Century 170-T6 Webpage. Brochure. SpecSheet. OpManual. Parts Callout Drawing. Service Manual. Wiring Diagram Rev A. *423ci is an error on Data Source.
⇒ WESTERBEKE: Century 170-T6A Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. Parts Callout Drawing. Wiring Diagram Rev A.
++++++++++++++++

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??
Model − ⊗	Ds	T	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-M	⊗	⊗	⊗	⊗	19??-19??
Model − ⊗	Ds	T	⊗	⊗	⊗	⊗	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Webpage, Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

Table Under Development
If you can help us add brand information, Spec Sheets, Manuals, etc. that we lack, please submit the link or PDF to Editor♣EverythingAboutBoats.org (Replace “♣” with “@”) so we can add it to the website. Thanks!

More from Wikipedia.
More from BoatDiesel.com.

+ΞVendorΞ
Engine Duty Ratings

This section is under development and may contain rough drafts.

Agricultural:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Automotive:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Industrial:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Marine:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.
Cm = Commercial.
Pc = Pleasure Craft.

Power Generation:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.
P = Intermittent Peak Load.
G = Generator.
GC = Generator - Continuous.
GI = Generator - Intermittent.
GP = Generator - Intermittent Peak Load.
NOTES: AC Generators use 1500 RPM for 50 Cycle and 1800 RPM for 60 Cycle.

General Specifications For Westerbeke
4-Stroke Cycle Petrol (Gasoline) Marine Engines
Including Other Marinized Versions & Generators
(by Ascending Displacement)

TABLE KEY: (Table under development)
⊗ = Data Not Available from Data Source, ? = …? = ¿…? = Data Not Confirmed.
DS = Data Source: (such as Webpages, SpecSheets, Catalogs, Brochures, Manuals, etc. with Links)
^ BD = BoatDiesel.com=…B, …f = Forum, …w = Webpage, …s = SpecSheet, …c = Catalog, …b = Brochure,
^ …o = Operator’s Manual, …m = Service/Repair/Technical/Workshop/Shop Manual, Wik = Wikipedia,
^ …1,2,3,A,B,C,etc = Source #, Version, Revision, …+ = ++ = Data combined from Multiple Sources.
CYL = Cylinder Configuration-Number−Liner Type:
^ Cylinder Configuration: U = u… = Vertical (Upright), I = In-Line,
^ Liner: W = Wet Liner(s), D = Dry Liner(s), WD = Combo Wet+Dry Liners, S = Sleeved (Press fit?),
^ ^ P = Parent/Native Bore, …s = Sleevable, C = Independent Cylinder(s), b… = Borable Oversize,
^ ^ Liner type sometimes had to be determined from Shop Manual and/or Parts List.
BORE & STROKE: …mm = Millimeters, …” = …in = Inches.
DISPLACEMENT: …cc = Cubic Centimeters (cm³), …L = Liters (Litres), …ci = Cubic Inches (in³).
⇑ = Base Engine Manufacturer, ⇒ = Engine Marinizer (Mariniser).
MODEL: EC = Engine Code. Cylinder Block Capacity ID Code. TC = Turbocharged.
RATING: See Engine Duty Ratings at end of this table.
ASP: Aspiration “-” Fueling: N = Naturally Aspirated, T = Turbocharged, S = Supercharged,
^ -Fueling (Petrol): c = Carbureted, i = Injected.
Power: kW = Kilowatts, HP = Horsepower, BHP = Brake Horsepower, MHP = Metric Horsepower.
@RPM = Power Ratings @ Revolutions Per Minute.
YEARS MFR’d: Beginning-Ending, Trailing “–” (Dash) without an Ending Date = Still in Production.
^ Data from Westerbeke Propulsion Model History (12/8/05) updated from Westerbeke Website.

HOW TO READ THIS TABLE

16.3ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	U-1−⊗	⊗mm	⊗mm	2.76in	2.76in	⊗L / 16.41ci
MfrModel	Ws	U-1−⊗	⊗mm	⊗mm	1.75in	2.756in	⊗L / 16.3ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Vire 7 − ⊗	Wd	N-C	⊗	7	⊗	3200	19??-19??
Vire 7 − Con	Ws	N-C	⊗	7	⊗	3200	19??-19??
Vire 7 − ⊗	Ws	N-C	⊗	7.3*	⊗	3700	19??-19??
Vire 7 − ⊗	Ws	N-C	⊗	7.1*	⊗	4000	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Vire 7 Webpage. Brochure. SpecSheet (*HP from Power Curve). Installation Drawing. Owner’s Manual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

60.60ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-3−⊗	⊗mm	⊗mm	2.99in	2.87in	⊗L / 60.60ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 26G − ⊗	Wd	N-C	⊗	26	⊗	3000	1986-1999
W 26G − ⊗	Ds	N-C	⊗	26	⊗	3000	1986-1999

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 26G Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

60.60?ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-3−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 26GX − ⊗	Wd	N-C	⊗	26	⊗	3000	19??-19??
W 26GX − ⊗	Ds	N-C	⊗	26	⊗	3000	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 26GX Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

?ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 41G − ⊗	Wd	N-C	⊗	41	⊗	3600	1986-1993
W 41G − ⊗	Ds	N-C	⊗	41	⊗	3600	1986-1993

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 41G Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

133.30ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-4−⊗	⊗mm	⊗mm	3.38in	3.70in	⊗L / 133.30ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	20??-

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 70GA − ⊗	Wd	N-C	⊗	66	⊗	3600	2003-
W 70GA − ⊗	Ds	N-C	⊗	66	⊗	3600	2003-

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 70GA Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

?ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-4−?	?mm	?mm	?in	?in	?L / ?ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 71G − ⊗	Wd	N-C	⊗	70	⊗	3600	19??-19??
W 71G − ⊗	Ds	N-C	⊗	70	⊗	3600	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 71G Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

?ci

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-⊗−⊗	⊗mm	⊗mm	⊗in	⊗in	⊗L / ⊗ci
MfrModel	Ww	uI-4−?	?mm	?mm	?in	?in	?L / ?ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-20??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
W 70G − ⊗	Wd	N-C	⊗	70	⊗	3600	1988-2001
W 70G − ⊗	Ds	N-C	⊗	70	⊗	3600	1988-2001

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: W 70G Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.
++++++++++++++++++++++++++++

BASE ENGINE	DS	CYL	BORE	STROKE	BORE	STROKE	DISPLACEMENT
MfrModel	Ds	uI-?−?	?mm	?mm	?in	?in	?L / ?ci

⇑ MfrBRAND
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??
Model − ⊗	Ds	T-C	⊗	⊗	⊗	⊗	19??-19??

⇒ WESTERBEKE
MODEL − RATING	DS	ASP	kW	BHP	MHP	@RPM	YEARS MFR'd
Model − ⊗	Ds	N-C	⊗	⊗	⊗	⊗	19??-19??
Model − ⊗	Ds	T-C	⊗	⊗	⊗	⊗	19??-19??

NOTES:
⇑ MANUFACTURER: MODEL Webpage. Brochure. SpecSheet. OpManual, PartsList. Service Manual.
⇒ WESTERBEKE: Model Webpage. Brochure. SpecSheet. Installation Drawing. OpManual. PartsList. Parts Manual. Service Manual. Technical Manual. Wiring Diagram. Wiring Diagram Rev A. Wiring Diagram Rev B. Wiring Diagram Rev C.

Pilot 20

+ΞVendorΞ
Engine Duty Ratings

This section is under development and may contain rough drafts.

Agricultural:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Automotive:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Industrial:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.

Marine:
C = Continuous: Power available continuously.
I = Intermittent: Power available for 1 hour out of 8 hours with low annual hours.
Cm = Commercial.
Pc = Pleasure Craft.

Product Documentation

Documentation with Bold Titles are part of our Academy eLibrary!
To view the entire document, click on its Bold Title Link to go to our webpage for
that item and then scroll down to the "Academy eLibrary" section on that page for link.
⇐ (arrow) = Document Creator is the vendor shown at the beginning of the title.
DS = Data Source for listed specifications.

Go to Kubota, Beta & Nanni webpages for additional documentation!

Catalogs:

Westerbeke Product Catalog (English) from Westerbeke.

Westerbeke Product Catalog (Portuguese) from Westerbeke.

Westerbeke Product Catalog (Spanish) from Westerbeke.

Brochures:

SpecSheets/Data Sheets:

Universal SpecSheet # for Marine Diesel Engine from Westerbeke.

Universal SpecSheet for M3-20B Diesel Marine Engine (7/1/2015) From Westerbeke.

Universal SpecSheet for M-25XPB Diesel Marine Engine (7/1/2015) From Westerbeke.

Charts and Graphs:

Pictures:

Westerbeke Parts Bulletin 2012-1 BW7 and JS Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, 30B Three, 35B Three, 35C Three, 35D Three, 38B Four, 42B Four, 44A Four

Westerbeke Parts Bulletin 2012-2: BW7 Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, W 27, W 33, 30B Three, 35D Three, 35E Three, 44B Four

Westerbeke Parts Bulletin 2013-1 valve diameter change (6/18/13) from Westerbeke.

Westerbeke Parts Bulletin 2013-3: Model Reference Clarification Parts List 032139 (5/10/13) from Westerbeke.

Westerbeke Parts Bulletin 2015-3: 72A Alternator Changes to 65A (3/23/15) from Westerbeke.

Universal Parts Bulletin 2007-1: Part Number Errors M3-20B (4/25/2007) From Westerbeke.

Repair/Service/Technical/Workshop/Shop Manuals:

Universal Service Manual #200151 for 5411, 5421, 15, 25 from L-36.

Universal Service Manual #200152 for 5416, 5424, M-20, M30 (10/90) from L-36.

Universal Service Manual #200153 for 5432, 5444 (10/90) from L-36.

Universal Service Manual #200154 for M-30, M-40, M-50 from L-36.

Universal Service Manual #200155 for M-12, M2-12, M-18, M3-20, M-25, M-25XP, M4-30, M-35 from L-36.

Universal Service Manual #200554 (Ed 1) for M-25XPB, M-35B, M-40B (1/01) from Westerbeke.

Universal Service Manual #200554 (Ed 1) for M-25XPB, M-35B, M-40B (1/01) from L-36.

Universal Service Manual #200562 (Ed 1) for M3-20B (7/01) from Westerbeke.

Universal Service Manual #200562 (Ed 1) for M3-20B (7/01) from L-36.

Wiring Diagrams:

Universal Wiring Diagram #039144 (Rev J) for All (12/12/2008) From Westerbeke.

Universal Wiring Diagram #039144 (Rev K) for All (12/12/2008) From Westerbeke.

Universal Wiring Diagram #039144 (Rev L) for All (12/12/2008) From Westerbeke.

Universal Wiring Diagram #039144 (Rev M) for All (3/2/2009) From Westerbeke.

Universal Wiring Diagram #039144 (Rev N) for All (8/7/2008) From Westerbeke.

Service Bulletins:

Westerbeke Service Bulletin #103: Tach Drive Cover Plate (1/22/80) from Westerbeke.

Westerbeke Service Bulletin #104: S.W. Pump Pulley Set Screw (1/22/80) from Westerbeke.

Westerbeke Service Bulletin #105: Cylinder Head Nut Torque (2/8/80) from Westerbeke.

Westerbeke Service Bulletin #106: Sea Water Pump Weep Hole (2/8/80) from Westerbeke.

Westerbeke Service Bulletin #125: Oil Pressure Switches (8/14/83) from Westerbeke.

Westerbeke Service Bulletin #136: Shift Lever (2/9/84) from Westerbeke.

Westerbeke Service Bulletin #155: Keyswitch (6/21/85) from Westerbeke.

Westerbeke Service Bulletin #235: Cam Shaft Drive Tang Reinforcing Sleeve (10/27/2003) from Westerbeke.

Westerbeke Service Bulletin #236: Universal Propulsion R.P.M. Ranges (10/27/2003) from Westerbeke.

Westerbeke Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076 (2/28/03) from Westerbeke.

Westerbeke Service Bulletin #239: Transmission Lubricant Change (10/27/03) from Westerbeke.

Westerbeke Service Bulletin #242: Manufacture Date Code (8/20/04) from Westerbeke.

Westerbeke Service Bulletin #247: Fuel Filter Bracket #300103 (1/1/2006) from Westerbeke.

Westerbeke Service Bulletin #251: E10 Ethanol Advisory from Westerbeke.

Westerbeke Service Bulletin #277: Tachometer Calibration (10/23/15) from Westerbeke.

Westerbeke Service Advisory #2007-1: Carburetor Contamination. from Westerbeke.

Product Recalls:

RECALL – Service Bulletin 225 Starter Motor – 1/28/1997 – Recall Type: Electrical DC from Westerbeke.
Affected Models: 4.0 BCG, 4.5 BCG, 6.5 BCG, 7.0 BCG, 8.5 BTG, 8.5 BTGA, 9.0 BTG, 12.5 BTG, 15.0 BTG, W26G, W26GX, W41G, W70G

RECALL – Bridge Rectifier – 10/30/1998 – Recall Type: Electrical AC from Westerbeke.
Affected Models: 3.75 BCGTC, 3.75 BCGTE, 4.5 BCGTC, 4.5 BCGTE, 6.0 BCGTC, 6.0 BCGTE, 7.2 BCGTC, 9.6 BCGTC

RECALL – Service Bulletin #246: Toggle Switch – 3/16/2007 – Recall Type: Electrical DC from Westerbeke.
Affected Models: 5.0BCG, 5.0BCGA, 7.0BCGC, 7.0BCGD, 8.0BEG, 10.0BEG, 12.5BEG, 15.0BEG, 20.0BEG, 20.0BEGA, 25.0BEGA

RECALL – Fuel Pump Energized – 8/10/2007 – Recall Type: Fuel from Westerbeke.
Affected Models: 4.2 SBCG, 5.0 SBCG, 5.4 SBCG, 6.5 SBCG, 6.4 SBCG, 8.0 SBCG, 10.0 SBEG, 11.6 SBEG, 12.5 SBEG, 14.0 SBEG, 16.0 SBEG, 18.0 SBEG, 22.5 SBEG

Forum Posts, Tech Tips & Tech Notes

If you think we should add a Forum Post, Tech Tip or Tech Note to this webpage,
please submit the Link in the Comment Box below or via email to
the Editor♣EverythingAboutBoats.org (Replace “♣” with “@”). Thanks!

More Forum Posts, Tech Tips & Tech Notes may be found at Propulsion Machinery, Engines,
DIY: Propulsion Machinery and DIY: Engines.

Forum Posts:

Tech Tips:

Dr. Diesel’s Tech Tips from FoleyEngine.com
#34 Atomic 4 Carburetors and Pumps.
#77 Identifying your Kubota Four Cylinder Diesel.
#79 Kubota 2203 Identification: A Field Guide.
#110 Kubota 2203 Engine Kits: A Quick Guide.
#120 How to Order a Kubota 2003 Engine Overhaul Kit: Five Easy Questions.
See DIY: Propulsion Machinery for a full list of Dr. Diesel’s Tech Tips from FoleyEngine.com

Tech Notes:

Publications & Media:

If you think we should add a Book, Magazine, Article, Website & Video to this webpage,
please submit the Link in the Comment Box below or via email to
the Editor♣EverythingAboutBoats.org (Replace “♣” with “@”). Thanks!

More Books, Magazines, Articles, Websites & Videos may be found at Propulsion Machinery, Engines,
DIY: Propulsion Machinery and DIY: Engines.

Publications, etc. with BOLD Titles are part of our Academy eLibrary. To view the entire Publication, etc. as a PDF, click on the Title Link and then scroll down that webpage to “Academy eLibrary“.

If you would like to donate a Book, Magazine or Video to our Academy eLibrary,
please email Donations#AnchorsAweighAcademy.org to arrange.

Books:

Magazines:

Articles:

Websites:

www.OldMarineEngine.com: Discussion Board.

Videos:

Literature & Manuals

Catalogs

Westerbeke Product Catalog (English) from Westerbeke.
Westerbeke Product Catalog (Portuguese) from Westerbeke.
Westerbeke Product Catalog (Spanish) from Westerbeke.

Brochures

Brochures.
^ From _____

SpecSheets, etc. By Model (in Ascending Horsepower) w/Links:
Models (w/Links to Westerbeke’s Document Library Webpages), HP (w/Links to Westerbeke’s Model Spec Webpages), SpecSheets, Pixs, Installation Drawings, Operator’s Manuals, Parts Lists, Service Manuals, and Wiring Diagrams.

~~Westerbeke Diesel Propulsion Engines~~


~~Model~~	HP	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	Wiring
~~DS 5~~	5	SpecSheet				Parts	Service.
~~7A One~~	6.4	SpecSheet			OpManual	Parts		1‚A‚B‚C
~~W 7~~	7	SpecSheet				Parts	Service
~~DS 7~~	7	SpecSheet				Parts	Service
~~10 Two~~	10	SpecSheet			OpManual	Parts	Service
~~W 10~~	10	SpecSheet
~~11A One~~	10.7	SpecSheet		InstallDwg	OpManual			A‚B‚C
~~12B Two~~	12	SpecSheet		InstallDwg	OpManual		Service	K‚L‚M‚N
~~12C Two~~	12	SpecSheet		InstallDwg	OpManual	Parts	Service	K‚L‚M‚N
~~12D Two~~	12	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	N
~~W 13~~	13.5	SpecSheet			OpManual	Parts	Service
~~W 13A~~	13.5	SpecSheet			OpManual	Parts	Service
~~Pilot 50~~	15	SpecSheet
~~4-60~~	15	SpecSheet				Parts	Service
~~20B Two~~	18	SpecSheet	Pixs		OpManual	Parts	Service
~~W 18~~	18	SpecSheet			OpManual	Parts	Service
~~W 20~~	20	SpecSheet
~~W 21~~	22?	SpecSheet			OpManual	Parts	Service
~~W 21A~~	22	SpecSheet			OpManual	Parts	Service
~~L-25~~	22	SpecSheet				Parts	Service
~~RD-60~~	22	SpecSheet				Parts	Service
~~W 30~~	25	SpecSheet				Parts	Service
~~30C Three~~	25	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	N
~~W 27~~	27	SpecSheet			OpManual	Parts	Service
~~30B Three~~	27	SpecSheet		InstallDwg	OpManual	Parts	Service
~~35E Three~~	28	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	N
~~35C Three~~	29	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 27A~~	30	SpecSheet			OpManual	Parts	Service
~~RD-80~~	30	SpecSheet		InstallDwg			Service
~~W 33A~~	31	SpecSheet			OpManual	Parts	Service
~~35D Three~~	31	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~35B Three~~	32	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 33~~	33	SpecSheet			OpManual	Parts	Service.
~~4-99~~	34	SpecSheet				Parts	Service
~~38B Four~~	37	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 40A~~	37	SpecSheet
~~W 40~~	37	SpecSheet				Parts	Service
~~44C Four~~	38	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	N
~~44A Four~~	40	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~4-107~~	40	SpecSheet				Parts	Service
~~W 50~~	41	SpecSheet				Parts	Service
~~42B Four~~	42	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~44B Four~~	44	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 46~~	46	SpecSheet			OpManual	Parts	Service	B1‚B2
~~55D Four~~	48	SpecSheet	Pixs		OpManual	Parts	Service
~~W 52~~	52	SpecSheet			OpManual	Parts	Service
~~W 60~~	53	SpecSheet				Parts	Service
~~55A Four~~	55	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~55C Four~~	55	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~55B Four~~	55	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 58~~	58	SpecSheet			OpManual	Parts	Service
~~63D Four~~	61	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~63B Four~~	63	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~63C Four~~	63	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~64A Four~~	64	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~65B Four~~	66	SpecSheet		InstallDwg	OpManual	Parts	Service	M
~~65A Four~~	68	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 70~~	70	SpecSheet			OpManual	Parts	Service
~~71B Four~~	71	SpecSheet			OpManual	Parts	Service	J‚K‚L‚M‚N
~~71C Four~~	71	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~W 80~~	75	SpecSheet				Parts	Service
~~82B Four~~	82	SpecSheet		InstallDwg	OpManual	Parts	Service	J‚K‚L‚M‚N
~~90A Four~~	90	SpecSheet		InstallDwg		Parts	Service	J‚K‚L‚M‚N
~~W 100~~	100	SpecSheet			OpManual	Parts	Service
~~108B Six~~	108	SpecSheet			OpManual	Parts		J‚K‚L‚M‚N
~~108C Six~~	108	SpecSheet			OpManual	Parts		J‚K‚L‚M‚N
~~W 120~~	115	SpecSheet				Parts

~~CENTURY~~
80-N4	80	SpecSheet			OpManual	Parts	Service	A
110-T4	110	SpecSheet			OpManual	Parts	Service	A
~~120-N6~~	120	SpecSheet			OpManual	Parts	Service	A
~~120-T4A~~	126	SpecSheet		InstallDwg	OpManual	Parts		A
~~170-T6~~	170	SpecSheet			OpManual	Parts	Service	A
~~170-T6A~~	173	SpecSheet		InstallDwg	OpManual	Parts		A

~~Westerbeke Gasoline Propulsion Engines~~


~~Model~~	HP	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	Wiring
Vire 7	7	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 26G~~	26	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 26GX~~	26	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 41G~~	41	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W-70GA~~	66	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 71G~~	70	SpecSheet		InstallDwg	OpManual	Parts	Service
~~W 70G~~	70	SpecSheet		InstallDwg	OpManual	Parts	Service

~~Westerbeke Diesel Generators~~


~~Model~~	HP	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	Wiring
M	H	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service

~~Westerbeke Gasoline Generators~~


~~Model~~	HP	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service	Wiring
M	H	SpecSheet	Pixs	InstallDwg	OpManual	Parts	Service

~~More from Westerbeke.~~

Petter SpecSheet #? for AB1 Diesel Engine (?/??) from IJD Online.co.uk.

Lister Petter Specsheet P027-09019 for AC1, AD1 Engines (6/12) from Lister Petter.

Farymann SpecSheet for 18 W Marine Diesel Engine from Farymann.

Charts and Graphs

Charts and Graphs.
^ From _____

Pictures

The new 5.5/5.0 EGCD from Westerbeke.

The new 7.6/5.5 EGTD from Westerbeke.

Press Releases (Date = YYMMDD)

160713 The new 5.5/5.0 EGCD is here! from Westerbeke.

161209 Westerbeke Corporation Affiliate, WBIP LLC, Settles Patent Infringement Lawsuit Against Kohler Co from Westerbeke.

160909 The new 7.6/5.5 EGTD is here! from Westerbeke.

Model History

Westerbeke Propulsion Model History (12/8/05) from Westerbeke.

Serial Number Guide – Manufacture Date Code Identification

Westerbeke Serial Number Guide – Manufacture Date Code Identification (5/12) from Westerbeke.

Mitsubishi Engine Serial Number Locations by Engine Model from Mitsubishi.

Mitsubishi Small Engine Model Identification from Mitsubishi.

Mitsubishi Large Marine Engine Model Identification from Mitsubishi.

Engine Replacement Guide

Engine Replacement Guide 11-11 from Westerbeke.

Installation Manuals/Instructions

Westerbeke Installation Manual (6/16) from Westerbeke.

Installation Diagrams & Drawings with Dimensions

Installation Drawing #44923 for 11A from Westerbeke.

Installation Drawing #54276 for 12B Two from Westerbeke.

Installation Drawing #54276 for 12C Two from Westerbeke.

Installation Drawing #49799 for 20B Two from Westerbeke.

Installation Drawing for RD-80 from Westerbeke.

Installation Drawing #46484 for 30B Three from Westerbeke.

Installation Drawing #54873 for 30C Three from Westerbeke.

Installation Drawing #44724 for 35C Three from Westerbeke.

Installation Drawing #44180 for 35C,D,E,Three, 44A,B,C Three (4/15) from Westerbeke.

Installation Drawing #54876 for 55D (7/21/10) from Westerbeke.

Installation Drawing #47963 for 55B from Westerbeke.

Installation Drawing #53998 for 65A,B from Westerbeke.

Installation Drawing #53998 for 65A from Westerbeke.

Installation Drawing #41185 for 71C Four (4/7/95) from Westerbeke.

Installation Drawing #38050 for 82B Four (6/24/90) from Westerbeke.

Installation Drawing #43319 for 90A Four (2/24/95) from Westerbeke.

Installation Diagrams & Drawings with Dimensions.
^ From _____

Owner/Operator’s Manuals

Operator’s Manual #45145 (1st Ed) for 7A One, 11A One (4/01) from Westerbeke.

Op erator’s Manual #37185 for Westerbeke 12B-Two (1/88) from Westerbeke.

Op erator’s Manual #39717 rev3 for 12C-Two, 12D-Tw0 (1/1/11) from Westerbeke.

Operator’s Manual #32363 for W13, W21, W-27, W 33 from Westerbeke.

Operator’s Manual #36195 for W13A, W18, W21A, W 33A (7/86) from Westerbeke.

Operator’s Manual #36906 for 20B-Two, 30B-Three, 30C-Three from Westerbeke.

Operator’s Manual #44180 (rev4) for 35C Three, 35D Three, 35E Three, 44A Four, 44B Four, 44C Four (4/15) from Westerbeke.

Operator’s Manual #44180 for 35C,D,E,Three, 44A,B,C Three (4/15) ^Duplicate^ from Westerbeke.

Operator’s Manual #33507 for W52, W58, W70, W100 (?) from Westerbeke.

Operator’s Manual #42286 (rev5) for 55B-Four, 55C-Four, 55D-Four (1/14) from Westerbeke.

Operator’s Manual #41562 (2nd Ed) for 55A Four (2/97) from Westerbeke.

Operator’s Manual #45150 (1st Ed) for 63D Four (3/01) from Westerbeke.

Operator’s Manual #38922 (Ed 5) for 63B,C Four, 71B,C, Four, 82B Four, 108B,C Six (10/06) from Westerbeke.

Operator’s Manual #49112 (1st Ed) for 64A Four (12/03) from Westerbeke.

Operator’s Manual #54218 (Rev 3) for 65A,B Four (10/14) from Westerbeke.

Owner’s Manual #315261 (Ed 4) for Vire 7 (12/1/75) from Westerbeke.

~~Mitsubishi 99240-32130,S12R from Mitsubishi.~~

~~Mitsubishi 99240-36140,S16R from Mitsubishi.~~

~~Mitsubishi 99250-12150,S6A3 from Mitsubishi.~~

~~Mitsubishi 99260-03120,S12H from Mitsubishi.~~

~~Mitsubishi 99260-20190,S12A2 from Mitsubishi.~~

~~Mitsubishi 99410-12120,S6R,S6R2 from Mitsubishi.~~

~~Mitsubishi 99610-13140,S4Q,S4Q2,S4Q2-T from Mitsubishi.~~

~~Mitsubishi 99610-15140, L-SERIES from Mitsubishi.~~

~~Mitsubishi 99610-29120,SS-SERIES from Mitsubishi.~~

~~Mitsubishi 99610-31120,SL-SERIES from Mitsubishi.~~

~~Mitsubishi 99610-50120,S3Q2,S3Q2-T from Mitsubishi.~~

~~Mitsubishi 99670-10180,S6B3 from Mitsubishi.~~

Owner/Operator Manuals.
^ From _____

Parts Lists/Manual/Schematics with Exploded Views & Parts Lists

Westerbeke Parts Supersession Listing (Aug 2014) from Westerbeke.

Universal Parts Supersession Listing (Aug 2014) from Westerbeke.

Universal Superseded Parts Listing (8/1/2015) From Westerbeke.

Part Numbers for Spare Parts Kit A from Westerbeke.

Sea Water Pumps #24143 and 048080 from Westerbeke.

Parts List for Westerbeke DS5, DS7, W7, WPD3, WPD4 from Westerbeke.

Parts Manual Preliminary 7A from Westerbeke.

Parts List for Westerbeke W10-Two, 3KW from Westerbeke,

Parts Manual for Westerbeke 12C-Two from Westerbeke.

Parts List #32139 for W13, W18, W21, W27, W33, 4.4, 6, 7.7, 8, 11, 12.5kW (7/86) from Westerbeke.

Parts List & Technical Manual #16521 for 4-60 (6/1/72) from Westerbeke.

Parts List for Westerbeke 20B-Two, 30B,C-Three (10/94) from Westerbeke.

Technical Manual & Parts List #19419 for L25 (7/10) from Westerbeke.

Parts List #13945 (8th Ed) for W30 (10/80) from Westerbeke.

Parts List #48220 (1st ed) for 35C, 35D, 6kW, 7.5kW, 8kW, 10kW (3/03) from Westerbeke.

Parts Callout Drawing #54700 for 35C,D,E Three (7/6/10) from Westerbeke.

Parts List #47631 (1st Ed) for 44A,B,(C) 9,4kW, 12kW, 12.5kW, 15kW (10/02) from Westerbeke.

Parts Callout Drawing #54694 for 44A,B,C (7/6/20) from Westerbeke.

Parts Callout Drawing #54700 (7/6/10) from Westerbeke.

Parts Callout Drawing #54866 (revB) for 55D (6/23/10) from Westerbeke.

Parts List #13316 (Ed 4) for W 60 (4/78) from Westerbeke.

Parts List #44000 (Ed 1) for 55A Four (8/99) from Westerbeke.

Parts Callout Drawing #47972 (rev e) for 55B,C (10/9/02,7/23/13) from Westerbeke.

Parts List #24577 (Ed 2) for W 58, 20kW (5/82) from Westerbeke.

Parts List #38824 (Ed 2) for 63B,C Four, 12.0 BTD, 15.0 BTD (8/98) from Westerbeke.

Parts Callout Drawing #52069 for 64A Four (6/14/05) from Westerbeke.

Parts Callout Drawing #54222 for 65A,B Four (10/6/08) from Westerbeke.

Parts List #33620 (Ed 1) for W70, W100 (2/84) from Westerbeke.

Parts List #39904 (Ed 1) for 71B, 16.0 BED, 20.0 BED (4/93) from Westerbeke.

Parts List #15162 (Ed 4) for W 80, 120, BR30,45 (6/1/77) from Westerbeke.

Parts Callout Drawing #48619 for 80-N4 (6/30/03) from Westerbeke.

Parts Callout Drawing #48620 (rev C) for 110-T4, 120-T4A (2/9/12) from Westerbeke.

Parts List #40000 (Ed 1) for 82B, 20 BED, 25 BED (5/94) from Westerbeke.

Parts List #41512 (Ed 3) for 90A, 25,32 BEDA (7/01) from Westerbeke.

Parts List #41200 (Ed 1) For 108B,C Six, 25 BEDB, 32 BEDB (8/95) from Westerbeke.

Lister Petter Parts Manual 027-08028 (Ed 10) for AC, AD (5/00) from Winget.co.uk.

Lister Petter Parts List 027-08095 (Ed 2) for PH1, PH2 (1989) from DavicCornwallis.com.

Parts Bulletins

Parts Bulletin 2004-7 Tech Manual 30041 (6/4/04) from Westerbeke.

Parts Bulletin 2007-2: Fuel Filter 03020 (4/25/07) from Westerbeke.

Parts Bulletin 2008-4: Paint Storage (11/24/08) from Westerbeke.

Parts Bulletin 2009-8 REVISED: Air Intake Filter Housing P/N 044723 (9/17/10) from Westerbeke.
Applies To: 35C/35D Three, 8.0BTDA/10.0 BTDA, 12.5 BTDB and 15.0 BTDC

Parts Bulletin 2010-2: Piston Wrist Pin Size Change (6/11/10) from Westerbeke.

Parts Bulletin 2011-2: Coolant Hose Change (9/7/11) from Westerbeke.
Applies To: 35B, 35C, 35D Three and 44A Four

Parts Bulletin 2012-1 BW7 and JS Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, 30B Three, 35B Three, 35C Three, 35D Three, 38B Four, 42B Four, 44A Four

Parts Bulletin 2012-2: BW7 Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, W 27, W 33, 30B Three, 35D Three, 35E Three, 44B Four

Parts Bulletin 2013-1 valve diameter change (6/18/13) from Westerbeke.

Parts Bulletin 2013-3: Model Reference Clarification Parts List 032139 (5/10/13) from Westerbeke.

Parts Bulletin 2015-3: 72A Alternator Changes to 65A (3/23/15) from Westerbeke.

Parts Bulletins.
^ From _____

^Parts Bulletins:

Westerbeke Parts Bulletin 2007-2: Fuel Filter 03020 (4/25/07) from Westerbeke.

Westerbeke Parts Bulletin 2008-4: Paint Storage (11/24/08) from Westerbeke.

Westerbeke Parts Bulletin 2009-8 REVISED: Air Intake Filter Housing P/N 044723 (9/17/10) from Westerbeke.
Applies To: 35C/35D Three, 8.0BTDA/10.0 BTDA, 12.5 BTDB and 15.0 BTDC

Westerbeke Parts Bulletin 2011-2: Coolant Hose Change (9/7/11) from Westerbeke.
Applies To: 35B, 35C, 35D Three and 44A Four

Westerbeke Parts Bulletin 2012-1 BW7 and JS Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, 30B Three, 35B Three, 35C Three, 35D Three, 38B Four, 42B Four, 44A Four

Westerbeke Parts Bulletin 2012-2: BW7 Transmission (4/13/12) from Westerbeke.
Applies To: 20B Two, W 27, W 33, 30B Three, 35D Three, 35E Three, 44B Four

Westerbeke Parts Bulletin 2013-1 valve diameter change (6/18/13) from Westerbeke.

Westerbeke Parts Bulletin 2013-3: Model Reference Clarification Parts List 032139 (5/10/13) from Westerbeke.

Westerbeke Parts Bulletin 2015-3: 72A Alternator Changes to 65A (3/23/15) from Westerbeke.

Universal Parts Bulletin 2007-1: Part Number Errors M3-20B (4/25/2007) From Westerbeke.

Repair/Service/Workshop/Technical Manuals

Westerbeke Technical Manual for DS5, DS7, W7, WPD3, WPD4 from Westerbeke.

Westerbeke Technical Manual for 10-Two, 12B-Two, WMD 3 KW, WMD 2.4 KW from Westerbeke.

Westerbeke Service Manual #55411 for 12C-Two, 12D-Two (6/1/12) from Westerbeke.

Westerbeke Service Manual #43444 for W13, W13A, W18, W21, W21A, RD-60, 35B Three, 3.3kW, 4.5kW, 5.8kW, 6kW, 7.5kW, 4.4kW, 6kW, 7.7kW, 8kW, 10kW (4/99) from Westerbeke.

Westerbeke Technical Manual & Parts List #16521 for 4-60 (6/1/72) from Westerbeke.

Westerbeke Technical Manual #37600 for 20B-Two, 30B,C-Three (4/90) from Westerbeke.

Westerbeke Technical Manual & Parts List #19419 for L25 (7/10) from Westerbeke.

Westerbeke Technical Manual #11874 (5th ed) for W30 (9/80) from Westerbeke.

Westerbeke Service Manual #43440 (2nd Ed) for W-27, W-27A, W-33, W-33A, 38B-Four, 42B-Four, 8.3kW, 9.4kW, 11kW, 12.5kW (4/98) from Westerbeke.

Westerbeke Service Manual #45100 (Rev 2) for 35C,35D,35E Three, 44A,44B,44C Four (4/10) from Westerbeke.

Westerbeke Service Manual #32460 (2nd Ed) for W-52/63B, 63C-Four, 12kW, 15kW (1/99) from Westerbeke.

Westerbeke Service Manual #49970 (2nd Ed) for 55B-Four, 55C-Four, (55D-Four) (9/06) from Westerbeke.

Westerbeke Service Manual #15204 (Ed 4) for W 60, WPDS-20 (9/79) from Westerbeke.

Westerbeke Service Manual #43377 (1st Ed) for 55A Four (9/98) from Westerbeke.

Westerbeke Technical Manual #24331 (Ed 3) for W 58, 20.0YD, 20.0 WTA, 16.0 WTA (11/90) from Westerbeke.

Westerbeke Service Manual #53017 (3rd Rev) for 65A Four, 33, 28.5, 25.5 EDE, 26.0, 20.0 EDER (7/14) from Westerbeke.

Westerbeke Technical Manual #33355 (Ed 1) for W70, W100 25,32kW (7/83) from Westerbeke.

Westerbeke Service Manual #43317 (2nd Ed) for 71B,C-Four, 16kW, 20kw from Westerbeke.

Westerbeke Service Manual #47069 (1st Ed) for 80N4, 110T4, 120N6, 170T6, 35kW~95kW (1/02) from Westerbeke.

Westerbeke Service Manual #40485 (Ed 1) for 82B Four, 20,25 BED (11/98) from Westerbeke.

Westerbeke Service Manual #43750 (1st Ed) for 90A, 25,32 BEDE (9/00) from Westerbeke.

Westerbeke Service Manual #011708 for 14088B Navy+ from Westerbeke.

Lister Petter Workshop Manual P027-08221 (Ed 12) for TS, TR, TX (5/05) from DavicCornwallis.com.

~~Mitsubishi L Series Service Manual (3/06) from Mitsubishi.~~

~~Mitsubishi S12A2-Y2PTAW Service Manual (7/07) from Mitsubishi.~~

~~Mitsubishi S12R-Y2PTAW Service (3/07) from Mitsubishi.~~

~~Mitsubishi S16R-Y2PTAW Service (3/07) from Mitsubishi.~~

~~Mitsubishi S16R-Y2PTAW2 Service (3/07) from Mitsubishi.~~

~~Mitsubishi S6A3 Service Manual (11/99) from Mitsubishi.~~

~~Mitsubishi S6B3 Service Manual (8/00) from Mitsubishi.~~

~~Mitsubishi SL Series Service Manual (4/04) from Mitsubishi.~~

~~Mitsubishi SQ Series Service Manual (10/06) from Mitsubishi.~~

~~Mitsubishi SS Series Service Manual (10/04) from Mitsubishi.~~

Service/Repair/Workshop/Technical Manuals.
^ From _____

Wiring Diagrams

Service Bulletins

Service Bulletin #103: Tach Drive Cover Plate (1/22/80) from Westerbeke.

Service Bulletin #104: S.W. Pump Pulley Set Screw (1/22/80) from Westerbeke.

Service Bulletin #105: Cylinder Head Nut Torque (2/8/80) from Westerbeke.

Service Bulletin #106: Sea Water Pump Weep Hole (2/8/80) from Westerbeke.

Service Bulletin #125: Oil Pressure Switches (8/14/83) from Westerbeke.

Service Bulletin #136: Shift Lever (2/9/84) from Westerbeke.

Service Bulletin #155: Keyswitch (6/21/85) from Westerbeke.

Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076 (2/28/03) from Westerbeke.

Service Bulletin #239: Transmission Lubricant Change (10/27/03) from Westerbeke.

Service Bulletin #242: Manufacture Date Code (8/20/04) from Westerbeke.

Service Bulletin #251: E10 Ethanol Advisory from Westerbeke.

Service Bulletin #277: Tachometer Calibration (10/23/15) from Westerbeke.

Service Advisory #2007-1: Carburetor Contamination. from Westerbeke.

Service Bulletins.
^ From _____

^Service Bulletins:

Westerbeke Service Bulletin #103: Tach Drive Cover Plate (1/22/80) from Westerbeke.

Westerbeke Service Bulletin #104: S.W. Pump Pulley Set Screw (1/22/80) from Westerbeke.

Westerbeke Service Bulletin #105: Cylinder Head Nut Torque (2/8/80) from Westerbeke.

Westerbeke Service Bulletin #106: Sea Water Pump Weep Hole (2/8/80) from Westerbeke.

Westerbeke Service Bulletin #125: Oil Pressure Switches (8/14/83) from Westerbeke.

Westerbeke Service Bulletin #136: Shift Lever (2/9/84) from Westerbeke.

Westerbeke Service Bulletin #155: Keyswitch (6/21/85) from Westerbeke.

Westerbeke Service Bulletin #235: Cam Shaft Drive Tang Reinforcing Sleeve (10/27/2003) from Westerbeke.

Westerbeke Service Bulletin #236: Universal Propulsion R.P.M. Ranges (10/27/2003) from Westerbeke.

Westerbeke Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076 (2/28/03) from Westerbeke.

Westerbeke Service Bulletin #239: Transmission Lubricant Change (10/27/03) from Westerbeke.

Westerbeke Service Bulletin #242: Manufacture Date Code (8/20/04) from Westerbeke.

Westerbeke Service Bulletin #247: Fuel Filter Bracket #300103 (1/1/2006) from Westerbeke.

Westerbeke Service Bulletin #251: E10 Ethanol Advisory from Westerbeke.

Westerbeke Service Bulletin #277: Tachometer Calibration (10/23/15) from Westerbeke.

Westerbeke Service Advisory #2007-1: Carburetor Contamination. from Westerbeke.

Product Recalls

RECALL – Bridge Rectifier – 10/30/1998 – Recall Type: Electrical AC from Westerbeke.
Affected Models: 3.75 BCGTC, 3.75 BCGTE, 4.5 BCGTC, 4.5 BCGTE, 6.0 BCGTC, 6.0 BCGTE, 7.2 BCGTC, 9.6 BCGTC

^Product Recalls:

RECALL – Bridge Rectifier – 10/30/1998 – Recall Type: Electrical AC from Westerbeke.
Affected Models: 3.75 BCGTC, 3.75 BCGTE, 4.5 BCGTC, 4.5 BCGTE, 6.0 BCGTC, 6.0 BCGTE, 7.2 BCGTC, 9.6 BCGTC

Forum Posts, Tech Tips & Tech Notes

More Forum Posts, Tech Tips & Tech Notes may be found at Propulsion Machinery, Engines,
DIY: Propulsion Machinery and DIY: Engines.

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Tech Tips:

Tech Notes:

Publications & Media:

More Books, Magazines, Articles, Websites & Videos may be found at Propulsion Machinery, Engines,
DIY: Propulsion Machinery and DIY: Engines.

If you would like to donate a Book, Magazine or Video to our Academy eLibrary,
please email Donations#AnchorsAweighAcademy.org to arrange.

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— TOP 20 MOST POPULAR ARTICLES —

Detroit Diesel 8.2 Liter “Fuel Pincher” V8 Engine
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Lehman 120 (6D380) Diesel Engine (Ford 2704C & 2715E)
Ford Industrial Power Products Diesel Engines
How to Identify Ford Diesel Engines
Ford 2715E Diesel Engine
Lehman Mfg. Co.
Perkins Engines
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Sears Boat Motors: Motorgo, Waterwitch, Elgin, etc.
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Boat Inspection (Types of Marine Surveys)
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History

Vendor's Contact Information

Vendor's Offerings

General Specifications For Westerbeke 4-Stroke Cycle Diesel Marine Engines Including Other Marinized Versions & Generators (by Ascending Displacement)

261cc / 15.9ci

290cc / 0.29L / 17.68ci

303cc~304cc / 0.304L / 18.5ci

451cc / 27.52ci

29.4ci

524.0cc / 31.95ci

0.60L / 36.6ci

635cc / 0.635L / 38.75ci~39ci

0.78L / 47.4ci

50ci

948cc / 57.9ci

58.8ci

0.952L / 58ci~59.09ci

0.98L / 59.7ci

1.118L / 68.23ci

1.30L / 79.6ci

1.318L / 80.43ci

1489cc / 90.88ci (British Leyland 4-91)

1.490L / 90.9ci~91ci

1599cc~1600cc / 1.6L / 97.60ci

1.621L / 99ci (Perkins 4.99)

1.758L / 104cc~107.27ci

1.760L / 107.4ci (Perkins 4.107)

1.760L / 107.4ci (Perkins 4.108)

110ci

2084cc / 127.1ci

2.18L / 133.2ci

2209cc / 2.21L / 134.80ci (Perkins 4.135 ⇒ Mazda S2*)

2.32L / 144.4ci

2520cc / 2.523L / 154ci (Perkins 4.154 ⇒ Mazda XA*)

2.977L / 182.00ci (Perkins 4.182 ⇔ Mazda HA*)

3.3L / 202.5ci

3455cc / 3.5L / 210.8ci

3.62L / 220.90ci

230ci~230.2ci

4.0521L / 247.20ci

4.3L / 262ci~264.00ci

345.3ci~346ci

6.5L / 396ci

General Specifications For Westerbeke 4-Stroke Cycle Petrol (Gasoline) Marine Engines Including Other Marinized Versions & Generators (by Ascending Displacement)

16.3ci

60.60ci

60.60?ci

?ci

133.30ci

?ci

?ci

Product Documentation

Catalogs:

Brochures:

SpecSheets/Data Sheets:

Charts and Graphs:

Pictures:

Press Releases: (by Date = YYMMDD)

Model History:

Serial Number Guide – Manufacture Date Code Identification:

Engine Replacement Guide

Installation Manuals/Instructions:

Installation Diagrams & Drawings with Dimensions:

Owner’s/Operator’s Manuals:

Parts Schematics with Exploded Views & Parts Lists:

Parts Supersession Listing:

Parts Bulletins:

Repair/Service/Technical/Workshop/Shop Manuals:

Wiring Diagrams:

Service Bulletins:

Product Recalls:

Forum Posts, Tech Tips & Tech Notes

Forum Posts:

Tech Tips:

Tech Notes:

Publications & Media:

Books:

Magazines:

Articles:

Websites:

General Specifications For Westerbeke
4-Stroke Cycle Diesel Marine Engines
Including Other Marinized Versions & Generators
(by Ascending Displacement)

1489cc / 90.88ci
(British Leyland 4-91)

1.621L / 99ci
(Perkins 4.99)

1.760L / 107.4ci
(Perkins 4.107)

1.760L / 107.4ci
(Perkins 4.108)

2209cc / 2.21L / 134.80ci
(Perkins 4.135 ⇒ Mazda S2*)

2520cc / 2.523L / 154ci
(Perkins 4.154 ⇒ Mazda XA*)

2.977L / 182.00ci
(Perkins 4.182 ⇔ Mazda HA*)

General Specifications For Westerbeke
4-Stroke Cycle Petrol (Gasoline) Marine Engines
Including Other Marinized Versions & Generators
(by Ascending Displacement)