Cummins V-555 & VT-555 “Triple-Nickel” V8 Diesel Engine

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Cummins, Inc. is an American Fortune 500 corporation that designs, manufactures, and distributes engines, filtration, and power generation products. Cummins also services engines and related equipment, including fuel systems, controls, air handling, filtration, emission control and electrical power generation systems. Headquartered in Columbus, Indiana, United States, Cummins sells in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributors and approximately 6,000 dealers.

See EAB’s Cummins Engine Company article for more details, contact information, PLUS information about their other products.

Cummins V-555 & VT-555 “Triple-Nickel” V8 Diesel Engine

The Cummins V-555 is a 555 cubic inch displacement V8 diesel engine produced by Cummins from 1968? to 1979?. It featured overhead valves actuated by rockers, push rods, and roller tappets by a roller camshaft located in the valley of the “V”, parallel to the horizontal crankshaft. the eight cylinders had “Wet” cylinder liners and direct injection with the injectors being actuated by rockers, push rods, and roller tappets by the main camshaft. The engine was available naturally aspirated and turbocharged. See Specsheet later in this articles for more.


In the late 1960’s, Cummins saw the need for compact diesel engines to power pumps, generators, and farm equipment where load and engine speed were strictly controlled and relatively constant. Small V6 and V8 engines were seen as fitting these applications even though the shortness of the crankshafts forced the connecting rod bearings, crankshaft main bearings and the crankshaft webs to be very narrow and hence very weak which limits the maximum power output of the engine. Never the less, Cummins developed a family of 45/8” bore 4−stroke cycle V6 and V8 diesel engines of 378, 504 and 555 cubic inch displacement which were designated V−378, V−504 and V−555 respectively for the naturally aspirated models, and VT−378, VT−504 and VT−555 respectively for the turbocharged models.

The turbocharged engines were only lightly boosted because they could not tolerate higher boosting without serious internal damage. Naturally aspirated engines and turbocharged engines were rated at the same maximum rated horsepower at up to 500 feet altitude. Naturally aspirated engines had to be fuel derated 3% for each 1000 feet altitude above 500 feet and 1% for each 10°F (6°C) ambient temperature rise above 85°F (29°C). Turbocharged engines did not require fuel derating below 9,000 feet (2743.2 m) maximum altitude. Above maximum altitude they had to be fuel derated 4% for each 1,000 feet (304.8 m). The turbocharger was primarily fitted to allow the engine to develop rated horsepower in the thinner air at higher altitudes, not to increase the overall power rating of the engine as this would overstress the engine bearings and liners.

 The 378 cubic inch and 504 cubic inch engines had a 33/4” stroke and the 555 cubic inch engine had a 41/8” stroke, making the engines very much “Oversquare”. The 555 cubic inch engine quickly becoming known as the “Triple-Nickel”.

These engines proved to be quit sufficient when powering pumps, generators, and farm equipment provided they were not lugged, heavily loaded, or quickly accelerated. unfortunately, the fuel crisis of the early 1970’s resulted in these engines, especially the 555, being mis-applied to medium duty trucks and school busses where they encountered higher loads, stop and go operation with the need for quick acceleration which quickly revealed their weaknesses. They became known as trouble−plagued engines that experienced catastrophic bearing failures, “thrown rods”, and broken crankshafts. In these automotive applications, they proved disappointingly underpowered. Aftermarket high boost turbocharging exacerbated the engine’s shortcomings.

A somewhat less serious problem was carbon buildout in the combustion chambers that often fouled the fuel injectors, causing injector misfire, rough running and excessive exhaust smoke.

A more serious issue was that any lugging or overheating of the engine could quickly damage the “Wet” cylinder liner seals. This would result in engine coolant flooding the crankcase which could cause serious internal damage, including damage to the crankshaft bearings.

The 555 also found its way into marine service where it faired somewhat better, provided it was properly set up with the right gearing and propeller pitch, and then was properly operated. See more about this later in this article under “How to keep the “Triple-Nickel”  alive”.

Cummins “Triple-Nickel” Shortcomings

Unfortunately, the 555 suffers from several shortcomings including a “weak bottom end”. Reports of “broken cranks”, “spun bearings” and “thrown rods” NOT caused by “Hydrolocking” are far too frequent. This weakness, however is common of most smaller “V” cylinder configuration engines, especially those with cylinder bores less then 5 inches (127mm) and is due to the overall shortness of the crankshaft. Basically, the smaller the cylinder bore, the shorter the crankshaft, and the weaker the “bottom end”.

V8 Rod Bearings

Compare the width of the small V8 connecting rod bearings above with the width of the inline-4 bearings below which are nearly twice as wide.

Inline 4 Rod Bearings

With twice as many pistons connected to a V8 crankshaft which is typically only slightly longer then an inline 4-cylinder crankshaft, there just isn’t much room for the connecting rod bearings, the crankshaft main bearings, and the crank webs. Consequently the V8’s bearings and webs must be much narrower as graphically shown in the pictures above and below.

V8 Crankshaft and Connecting Rod with the narrow bearing shell highlighted in red.

Unfortunately, in the case of a “slip bearing”, the narrower the bearing, the more difficult it is for the lubricating oil to maintain an oil film between the bearing’s surface and the crankshaft that is adequate to support the heavy loads of a high compression diesel engine as the oil is forced out of a narrow bearing more easily, especially at higher RPM’s.

Detroit Diesel 8.2 Crankshaft

Even though the connecting rod pins on a V8 crank are the widest journals on the crank, when assembled the V8 crank will have two connecting rods crowded onto each rod journal leaving little room for each individual rod bearing.

V8 Crankshaft with Two Rods assembled to each rod Journal.

In the pictures above and the illustration below, it is easy to see how narrow the rod bearings have to be to fit on the short crankshaft of a small V8. Note the two oil feed holes per rod journal (one for each connecting rod. In a fully pressurized lubrication system, the oil is fed to the center of each bearing so that it can form an oil film between the crankshaft journal and the bearing surfaces, as it works its way to the outer edges of the bearing where it squirts out and splatters around the crankcase as the crankshaft turns. Oil tends to exit narrow bearings much more quickly. The wider the bearings, the more oil between the bearing and crankshaft surfaces to carry the load and the more slowly the oil is forced out from between the metal surfaces of the crankshaft and bearings, hence wide bearings can carry higher loads. The larger the cylinder bores, the longer the crankshaft and therefore the more room available for wider bearings. V8 engines with cylinder bores larger then 6″ typically have plenty of room on the longer crankshaft for wide bearings, etc.

Detroit Diesel 8.2 Crankshaft – Illustration.

Note how narrow the five main bearing journals are and how much larger their diameter when compared to those of the 4-cylinder crankshaft second below. Main bearings will be discussed in more detail a little later.

Another issue with any small V8 crankshaft is the narrow crank webs which are much weaker and consequently much more prone to breakage as shown below.

V8 Crankshaft with a broken web near front end of crankshaft (left).

By comparison, the inline 4-cylinder crankshaft shown directly below, which will have only one rod fitted per journal when assembled, can have much wider rod bearings. And note the much wider main bearing journals which will accommodate much wider main bearings. Also note the wider and much stronger crank webs between the bearing journals.

Detroit Diesel 4-53 4-cylinder 2-stroke cycle Crankshaft

The inline 4-cylinder crankshaft shown above has 5 main bearings. The crank webs, and the width and diameter of the main and rod bearings have been optimized to carry the stress and load of a high compression, high output engine. By comparison, the V8 crankshaft has the same number of main bearings for twice as many cylinders, and the V8 main bearing journals are much narrower. You can see how crowded a small V8 crankcase can be in the picture directly below. There just isn’t enough room for rod bearings or main bearings to be wide enough to carry the heavy loads generated by a high compression high output engine.

Notice that the main bearing journals of the V8 crankshafts shown in the illustration and pictures above have been increased in diameter to increase the bearing surface in an effort to compensate for their narrowness. But at some point this becomes counter-productive because the increased diameter increases the slip-bearing surface speed which makes it more difficult for the oil to maintain adequate oil film thickness at higher RPM’s. By comparison, a 4-cylinder crank’s main bearings can be wider so they can more easily maintain oil film thickness and carry the loads, hence the journals can be smaller in diameter to reduce bearing surface speed. This is why inline engines with the wider bearings and stronger crank webs, and main bearings between each cylinder can be air charged (e.g. with a turbocharger) to reliably produce more than twice the horsepower per unit of displacement then a small V8. Air-charging these stronger inline diesel engines can also enable them to run cleaner with fewer emissions. This benefit is discussed in detail in our article titled Fuel Fundamentals.

Engines with longer piston strokes have the advantage of being able to producing much higher torque at slower crankshaft speeds (RPMs). Many small V8 engines are designed with a stroke much shorter then most other diesel engines of the same displacement. The 555 is just slightly “over-square” with a 4 5/8” bore x 4 1/8” stroke. The shorter stroke allows the overall engine height to be lower. Unfortunately, like any of these short stroke, nearly-square and over-square engines, it produce less torque and has to be set-up to run at higher RPM’s to produce its maximum power, which has to be limited due to its increased crankshaft slip-bearing surface speeds, because as bearing surface speed increases, bearing wear increases, and so does the risk of bearing failure.

In conclusion:
The above comparisons show why smaller V8 engines that lack the space for the wider crankshaft bearings and stronger crank webs are not capable of the higher power outputs of comparable displacement inline engines. These are some of the main reasons why most diesel engine manufacturers have abandoned building small V8 engines and have embraced inline configurations especially the turbocharged 6 cylinder inline with 7 main bearings such as the Cummins B and C series engines. In the case of V8 engines with bores larger than 5 inches (127mm), they are longer and therefore have more room for wider crankshaft bearings and stronger crank webs which means that they can have much stronger “bottom ends” and therefore higher power outputs  per displacement unit then their smaller, shorter, and weaker little brothers.

An additional issue with the 555 is that, any lugging of the engine can quickly cause damage to the “Wet” cylinder liner seals that often results in engine coolant flooding the crankcase.

Cummins V-555 “Triple Nickel” Cylinder Block with replaceable “Wet” Cylinder Liners removed.

Another issue concerns quality replacement parts which are becoming scarce and more expensive. New major parts (i.e. blocks, heads, crankshafts, etc.) are practically non-existent and usable used parts are also becoming more scarce as more “take-outs” are simply scrapped.

How to keep the “Triple Nickel”  alive

Because of these recognized inherent weaknesses, Cummins never did set up the V-555 engines to produce very high power outputs especially when compared with the inline engines like the B and the C series engines. If the V-555 engine is intentionally operated at reduced power (below 80%), by shifting down and easing up on the throttle, doing so has proven to help it survive. In a marine application this can be accomplished by under-pitching the propeller, avoiding any rapid acceleration, and if necessary, reducing the vessel’s cruising speed. Unfortunately, this will lower combustion gas temperatures (below 800ºF) that encourages excessive carbon buildup and its ensuing problems, including “injector misfire” and detonation. Since the practice of routinely running at full throttle (flank speed) to blow out the carbon soot is NOT recommended with the V-555, because doing so risks catastrophic bearing failure, other ways of reducing carbon buildup must be utilized. Adding fuel additives that help keep fuel injectors clean and reduce carbon buildup can be quite helpful.

Like many 4-Stroke Cycle engines, the V-555 will tend to detonate when started in colder weather. Detonation is the phenomenon when the heated gases from combustion expand in the combustion chamber faster then the speed of sound and generate a supersonic shockwave. Detonation in a cold engine is the result of the increased ignition lag-time that unfortunately, delays ignition until the combustion chamber has an overabundance of fuel. Once ignited, the large quantity of fuel burns too fast, generating a shockwave. This shockwave or “sonic boom” if you like, can be heard by the naked ear as the characteristic “knock” or “ping” of detonation depending on the frequency of the sound, the “ping” being the higher frequency. Typically, the larger the cylinder, the lower the frequency. When detonation occurs in the V-555, which mechanically injects the diesel fuel directly into the relatively fragile cylinder instead of into a heavily reinforced precombustion chamber, the shockwave too often causes damage to the  head gaskets because they are directly exposed to the shockwave. Starting any diesel engine in cold temperatures is greatly improved by fitting an engine warming device such as a block heater or an intake air heater. Heating the incoming air reduces the ignition lag-time, avoiding detonation.

It is never a good idea to use “Ether” to start an V-555 as it will often detonate in the cylinders causing head gasket damage or worse. Of course having such a volatile fuel as starting fluid in the engine space of a vessel, especially a diesel fueled one, is extremely dangerous. Why are volatile fuels such as starting fluid, gasoline or propane so dangerous in diesel powered vessels? Well remember that electrical devices such as relays, generators, alternators and starter motors on diesel engines in most vessels are not required to be ignition protected and therefore can provide an ignition source such as a spark resulting in an explosion and fire. Also, a diesel engine can “run away” on a volatile fuel in the engine space. So instead of using starting fluid, if the temperature is too cold for the engine to start easily, it is better to fit an engine warming device such as a block heater which is usually AC powered or an intake air heater which is usually DC and can be powered by the ship’s batteries.

Next, pay particular attention to the engine’s cooling system, especially the raw water pickup and sea strainer. Keep them clear of any obstructions. Also keep the raw water pump impeller, the heat exchanger, the engine coolant (antifreeze), the pressure cap, all hoses, and the engine belts and pulleys in good shape. The exhaust mixing elbows on wet exhaust systems should be routinely checked for deterioration and clogging. Even the slightest overheating can result in leakage of the wet cylinder liner seals as mentioned before.

Fluid analysis of the engine coolant and engine oil can help detect deterioration and contamination of the fluids and can also help determine the extent of other internal damage.

It may also prove helpful to pull the fuel injectors and inspect the cylinders with a borescope for carbonization.

Ensure that the engine oil is properly maintained. Always use a quality Diesel Engine Lubricating Oil such as DELO 400 which still has a substantial amount of Zinc. DO NOT USE DELO 100 as it is a low detergent oil intended for Detroit Diesel’s 2-Stroke Cycle engines. See our webpage on engine oil. Always shake or stir the new oil container to mix the new oil before pouring the new oil into the engine as the oil and additives tend to separate over time. This is especially true of larger containers of oil such as drums which must be stirred routinely to mix the heavier additives like zinc that have settle to the bottom of the drum. Always maintain the proper oil level in the engine. Always replace the oil filter during every oil change. Then cut open the old filter and check it for metal. See our webpage on Inspecting Oil Filters for metal. Always use a quality oil filter. Consider fitting the engine with a by-pass oil filter in addition to the original full-flow oil filter. See our Article on Installing a Bypass Oil Filter. The small micron by-pass filter’s element can remove much smaller contaminate particles from the oil then the larger micron full-flow filter’s element can, thus reducing wear from oil contaminates. The V-555’s narrow crankshaft bearings make them more susceptible to wear from these smaller particles contaminating the oil when the oil film between the bearing and crankshaft is pressed thin.

Lastly, let’s consider one more source of wear and failure. If the engine sits dormant for long periods, consider fitting a pre-oiler to the engine to pressurize the oil galleys and fill the bearings before starting the engine. This practice reduces wear during startup, which is considerable especially in the case of the narrow V-555 crankshaft bearings. Pre-oilers are often fitted to commercial engines to reduce startup wear. See our webpage on Engine Pre-Oilers.

A surprising number of vessels were fitted with 555s for propulsion due to their rather reasonable price. Unfortunately, due to the 555’s shortcomings, many of these engines are in trouble. Some of the owners aren’t aware of any problems, but again some are. There is no denying that the 555’s problems haven’t adversely effected the value of the vessels which are equipped with them. Whether you own such a vessel already or are considering buying one, a good place to start is with a fluid analysis of a properly drawn engine oil sample. Even when you don’t have any previous sampling results to trend from, The analysis of a single current sample can still reveal if any of the shortcomings inherent in the 555 have already resulted in damage to the engine and to just what extent. Academy members have the opportunity to submit oil analysis reports to our engine experts (at no charge) for their opinions and suggestions as part of our “Ask An Expert” Program.

If the 555 is currently in good condition, and your plan is to keep the engine for awhile, the best advise is to make the above improvements, keep it maintained, and run it easy. If you intend on keeping the vessel for a while, you should probably start budgeting for a repower. But remember that tight quarters may limit your choice of replacement engines.

Similar engines produced by other manufacturers

During the 1970’s fuel crisis, Detroit Diesel saw the need for a cheap, fuel efficient engine to power medium trucks and school busses. Their answer was a lightweight, slightly under-square (108mm bore x 112mm stroke) 500 cubic inch displacement, four-stroke-cycle V8 diesel engine designated the 8.2 Liter and called the “Fuel Pincher“. The engine was eventually marinized by a few third-party companies (¿including Johnson & Towers?) and fitted to vessels, but they proved to be quite troublesome as they were prone to “blowing” head gaskets due to the “free-standing” cylinder design and lack of a proper “deck” to support the head, and also bearing failures due to its weak “bottom end”.

Caterpillar had came out with the 1100 medium truck engine in the 1960’s which became the 3160 marine engine. It was a larger bore V8 engine at 636 cubic inches of displacement, so it did not suffer from a weak “bottom end” as much as it’s small V8 rivals. However, in marine use, it sometimes suffered from a design flaw of the camshaft driven gear that resulted in the gear spinning on the camshaft during a “hard shift” or a “prop-strike” causing catastrophic internal damage to the engine. When Caterpillar came out with the 3208 (the 3160’s successor), they improved the strength of the “bottom end” slightly, but did nothing about the camshaft gear flaw. In this case, a “Drive Saver” propshaft coupling could save the engine.

Specifications For Cummins “V” Series
4−Stoke Cycle V6 & V8 Diesel Engines
Features: Horizontal Crankshaft and “V” Pattern Wet Liner Cylinders

Types of Engine Vendors: Engine design owners may produce the engines in-house as manufacturers.
^ Licensees are licensed by engine design owners to produce base engines and/or marine engines.
^ Marinizers buy base engines from the producers at wholesale, marinize them for marine service,
^ ^ and then sell them to boat builders, resellers, etc. at wholesale or to end users at retail.
^ Resellers buy marine engines at wholesale and resell them at a markup or at retail.
BASE ENGINE: Manufacturer/Vendor & Model of Base Engine followed by Specifications.
^ CYL: Cylinder Orientation & Configuration – (Dash w/no spaces) Number of Cylinders: (example: “V-8”)
^ ^ Cylinder Orientation: No Code = u… = Upright (Vertical).
^ ^ Cylinder Configuration: …V = V Pattern (eg V-8).
^ BORE & STROKE: …mm = Millimeters. …in = …” = Inches.
^ DISPLACEMENT = Swept Volume: …cc = Cubic Centimeters (cm³). …L = Liters. …ci = Cubic Inches (in³).
MODEL RATINGS: Base Engine Model, Vendor Rating Code, Duty Ratings, Power Ratings, etc.
^ A-F: Aspiration-Fueling: Intake Air uncharged or charged – Petrol or Diesel Fueling.
^ ^ Aspiration: N = Naturally Aspirated. T = Turbocharged. …i = Intercooled. …a = Aftercooled.
^ ^ Diesel Fueling: M = Mechanical Injection. …ii = II = Integral Injector. …d = Direct Injection
^ DR = Duty Ratings: See the Engine Duty Ratings Description at the end of the Table.
^ ^ ♦♦ = Highest Power Rating from Data Sources.
^ POWER: kW = Kilowatts. HP = Horsepower. BHP = Brake Horsepower. SHP = SAE Horsepower.
^ RPM = Power Ratings @ Revolutions Per Minute.
^ YEARS: Beginning-Ending. Trailing “–” (Dash) without an Ending Date = Still in Production/Available.
^ ^ YYYY usually = Model Year. MM/YY = actual Month/Year.
^ ^ Vendors typically market products after production ceases, often until stockpiles are exhausted.
^ DS = Data Source: Click DS Link to view DS. ♦♦♦ = Summary of Data Compiled from Multiple Sources.
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Data: ⊗ = Data Not Available from Data Source. ¿… = …? = Data Unconfirmed/in Question.

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Table Under Development

V-555 V-8 117.5mm / 45/8in 104.8mm / 41/8in ⊗cc / 9.1L / 555ci
V-555 (Aut) N-M ♦♦♦ 240 3300 1970±-1980± ♦♦♦
^ N-M 200 2800 ⊗-⊗ Cs1
^ N-M 230 3300 ⊗-⊗ Cs1
^ N-M 210 3000 ⊗-⊗ Cm1
^ N-M 225 3000 ⊗-⊗ Cm1
^ N-M 240 3300 ⊗-⊗ Cm1
VT-555 (Aut) T-M ♦♦♦ 240 3300 1970±-1980± ♦♦♦
^ T-M 225 3000 ⊗-⊗ Cm1
^ T-M 240 3300 ⊗-⊗ Cm1
^ ⊗-⊗ ⊗-⊗ ?
MODEL (Notes) ⊗-⊗ ♦♦♦ ⊗-⊗ ♦♦♦
^ ^ ⊗-⊗ ⊗-⊗ ?
^ MODEL (Notes) ⊗-⊗ ⊗-⊗ ?

NOTES: Compression Ratio for Naturally Aspirated engines is 17.0:1 and Turbocharged engines is 16.0:1. Naturally aspirated engines and turbocharged engines are rated at the same maximum rated horsepower at up to 500 feet altitude. Naturally aspirated engines must be derated 3% for each 1000 feet altitude above 500 feet and 1% for each 10°F (6°C) ambient temperature rise above 85°F (29°C). Turbocharged engines do not require fuel derating below 9,000 feet (2743.2 m) maximum altitude, above maximum altitude derate 4% for each 1,000 feet (304.8 m). Turbocharger is primarily fitted to allow engine to develop rated horsepower in thinner air at higher altitudes.

Engine Duty Ratings

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

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

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

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

Power Generation:
GC = Generator – Continuous.
GP = Generator – Intermittent Peak Load.
NOTES: AC Generators use 1500 RPM for 50 Cycle and 1800 RPM for 60 Cycle.

Above Shop Manual available from Barrington Diesel Club.

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House Call: How To Perform A DIY Diesel Engine TestNigel Calder PassageMaker
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12 Volt Bible for BoatsMiner Brotherton
12 Volt Doctor's Practical HandbookEdgar J. Beyn
Adlard Coles Book of Diesel Engines‚ TheTim Bartlett
Advanced Marine Electrics and Electronics TroubleshootingEd Sherman
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Boat Repair Manual‚ TheGeorge Buchanan
Boating Magazine's Powerboater's Guide to Electrical SystemsEdwin R. Sherman
Boating Magazine's Quick & Easy Boat MaintenanceSandy Lindsey
Boatkeeper : ... Maintenance‚ Repair‚ and ImprovementGladstone & Bottomley (Eds).
Boatowner's Guide to Corrosion‚ The — Everett Collier
Boatowner's Illustrated Electrical HandbookCharlie Wing
Boatowner's Illustrated Handbook of WiringCharlie Wing
Boatowner's Mechanical & Electrical ManualNigel Calder
Care and Repair of Small Marine Diesels‚ TheChris Thompson
Complete Book of Pleasure Boat Engines‚ TheErnest A. Zadig
Diesel Companion‚ ThePat Manley
Diesel Engine MechanicsWayne A. Kelm
Diesel EnginesJ. W. Anderson
Diesel Troubleshootier — Don Seddon
Diesels Afloat : The Must-Have Guide for Diesel Boat EnginesPat Manley
Don Casey's Complete Illustrated Sailboat Maintenance ManualDon Casey
Essential Boat MaintenancePat Manley & Rupert Holmes
Essential Boat Maintenance Manual‚ TheJeff E. Toghill
Fiberglass Boat Survey ManualArthur Edmunds
How To Repair Diesel EnginesPaul Dempsey
Inboard Engine‚ Transmission and Drive Service : ManualIntertec
Know Your Boat's Diesel EngineAndrew Simpson
Managing 12 Volts : How to Upgrade‚ Operate‚ and TroubleshootHarold Barre
Marine Diesel Engines : Maintenance‚ Troubleshooting‚ and RepairNigel Calder
Marine Diesel Engines : Maintenance & Repair ManualJean-Luc Pallas
Marine DieselsM. David Burghardt & George D. Kingsley
Marine Electrical Care & RepairDavid MacLean
Marine Electrical Electronics BibleJohn C. Payne
Marine Electrical SystemsDIY Boat Owner Magazine
Marine Engine Room Blue BookWilliam D. Eglinton
Marine Engines & PropulsionRanger Hope
Marine Fire Prevention‚ Firefighting and Fire SafetyUS DoC MA
Metal Corrosion In BoatsNigel Warren
Motor Boat EnginesAlan C. Wilson
Motorboat Electrical and Electronics Manual‚ TheJohn C. Payne
Powerboater's Guide to Electrical Systems (Boating Magazine)Edwin R. Sherman
Reeds Diesel Engine Troubleshooting HandbookBarry Pickthall
Replacing Your Boat's Engine (Adlard Coles Manuals)Mike Westin
Run Your Diesel Vehicle on BiofuelsJon Starbuck & Gavin D. j. Harper
RYA Diesel Engine HandbookAndrew Simpson
Sailboat Electrics SimplifiedDon Casey
Simple Boat MaintenancePat Manley
Small Boat Engines - Inboard & OutboardConrad Miller
Surveying Small CraftIan Nicolson
This Old BoatDon Casey
Troubleshooting and Repairing Diesel EnginesPaul Dempsey
Troubleshooting Marine DieselsPeter Compton
Understanding Boat Diesel EnginesJohn C. Payne
ANCHOR‚ TheAnchors Aweigh Academy
DIY Boat Owner - The Marine Maintenance MagazineBoatU.S.Mad Mariner ⇒ OoB
Title - + (Notes) — Creator – Source
Barrington Diesel Club (Diesel Engine Specifications and Manuals)
Title - + (Notes) — Creator – Source

If you know of a Publication, Video, etc. that should be added to this list, please mention it in an email To⇒

CLICK HERE to discover how you can become a Member and gain FULL access to
thousands of expanded pages and dozens of excellent programs including our library

CLICK HERE to view ALL the books, magazinesvideos, etc. in our Academy Library.
They are also listed by category on the Topic Pages found on the Right Sidebar
CLICK HERE to donate any books, magazines or videos to our Library.

If you know of a Publication, Video, etc. that should be added to this list, please mention it in an email To⇒

CLICK HERE to discover how you can become a Member and gain FULL access to
thousands of expanded pages and dozens of excellent programs including our library

CLICK HERE to view ALL the books, magazinesvideos, etc. in our Academy Library.
They are also listed by category on the Topic Pages found on the Right Sidebar
CLICK HERE to donate any books, magazines or videos to our Library.

Related Webpages
Related Main Topic Pages w/Links
All Website Main Topic Pages are listed in the Right Sidebar

2.1 – Boat Designing Schools.
2.2 – Boat Designers (Naval Architects, Boat Plans, Kits, etc).
2.3 – Statutes & Standards.
2.3.1 – Laws: Countries by Regions. – Laws: Canada. – Laws: United States.
2.3.2 – Industry Standards. – International Maritime Organization (IMO). – International Standards Organization (ISO). – American Boat and Yacht Council (ABYC). – National Fire Protection Association (NFPA).
2.3.3 – Classification Societies. – Lloyd’s Register. – American Bureau of Shipping.
2.4 – Boat Building Tools & Equipment (Vendors, Specs, Manuals, Recalls, etc).
2.5 – Boat Materials (Vendors, Specs, Manuals, Recalls, etc).
2.5.1 – Wood.
2.5.2 – Metal.
2.5.3 – Ferrocement.
2.5.4 – Fiberglass.
2.6 – Boat Equipment (Vendors, Specs, Manuals, Reviews, Recalls, etc).
2.6.1 – Steering & Thrusters.
2.6.2 – Stabilizers & Trim Plates.
2.6.3 – Dewatering Devices.
2.6.4 – Galvanic Corrosion Protection.
2.6.5 – Hull Penetrations & Openings (Thru-Hulls, Scuttles, Skylights, Hatches, etc).
2.6.6 – Deck Hardware & Equipment. – Ground Tackle. – Commercial Fishing Gear.
2.6.7 – Rigging (Riggers). – Sails (Sailmakers).
2.6.8 – Propulsion Machinery (Types, Configurations, Features, Control Systems, etc). – Engines (Types & Vendors). – Engine-to-Marine Gear Interfaces (SAE Specs, Damper Plates, Jackshafts, etc). – Marine Gears (Mechanical, Hydraulic). – Shafting (Propshafts, Couplings, Seals, Bearings, Struts, Keys, Nuts, etc). – Propellers (Screws, Water Jets, Paddle Wheels, etc).
2.6.9 – Electrical Systems (Direct Current, Alternating Current, etc). – Auxiliary Generators. – DC-to-AC Invertors
2.6.10 – Domestic Systems. – LPG Systems. – Cabin Heating & Cooling. – Galley Appliances (Refrigeration, Galley Stoves, LPG/CNG Systems). – Water & Waste Systems. – Trash Disposal. – Furnishings (Cabinetry, furniture, Coverings, Entertainment, Weather, etc).
2.6.11 – Navigation & Communication Systems.
2.6.12 – Safety Equipment (PFDs, Life Rafts, Fire Ext., Alarms, Medical Kits).
2.6.13 – Personal Equipment. – Diving (Commercial & Sport). – Fishing (Sport). – Sailing (Foul Weather Gear, Safety Harnesses, etc). – Racing (Sail, Offshore Power, Powerboat, Hydroplane, etc). – Watersports (Surfing, Skiing, Boarding, Tubing, etc).
2.6.14 – Boat Trailers.
2.7 – Marine Suppliers: Countries by Regions.
2.7.1 – Marine Suppliers: Canada.
2.7.2 – Marine Suppliers: United States.
2.8 – Boat Building Schools.
2.9 – Boat Builders (Model Specs, Manuals, Reviews, Recalls, etc).
2.9.1 – Boat Builders A~Z.
2.9.2 – Boat Builders by MIC (Manufacturer's Identification Code).
2.9.3 – Boat Builders: Countries by Regions. – Boat Builders: Canada. – Boat Builders: United States.
2.9.4 – Boat Builders by Vessel Types.
2.10 – Do-It-Yourself Boat Building.

15 – BOAT REFITTING (Fitting-Out, Repair, Repowering, etc).
15.1 – Refitters: Countries by Regions (Shipyards, Boatyards, Riggers, Shops, etc).
15.1.1 – Refitters: Canada.
15.1.2 – Refitters: United States.
15.2 – Boat Repair Schools (Hull, Systems, On-Board Equipment, Propulsion Machinery, etc).
15.3 – Do-It-Yourself Refitting (Installation, Maintenance, Troubleshooting, Repair, etc).
15.3.1 – DIY: Fundamentals. – DIY: Tools, Usage, Safety, etc. – DIY: Deterioration (Rot, Corrosion, Fatigue, etc). – DIY: Troubleshooting, Failure Analysis, etc.
15.3.2 – DIY: Vessel Structure. – DIY: Hull & Deck. – DIY: Steering & Thrusters (Mechanical, Hydraulic, etc). – DIY: Stabilizers & Trim Plates. – DIY: Dewatering Devices. – DIY: Galvanic Corrosion Protection. – DIY: Hull Penetrations & Openings (Thru-Hulls, Scuttles, Skylights, Hatches, etc). – DIY: Deck Hardware & Equipment. – DIY: Ground Tackle (Anchors, Rode, Windlass, etc). – DIY: Commercial Fishing Gear. – DIY: Rigging. – DIY: Sails.
15.3.3 – DIY: Propulsion Machinery (Control Systems, etc). – DIY: Engines (Troubleshooting, Repair, Rebuilding vs Repowering, etc). – DIY: Engine Mechanical (Pistons, Rods, Crankshafts, Blocks, Heads, Valves, etc). – DIY: Engine Lubrication (Splash, Forced, Oil, Filtration, Additives, Oil Analysis, etc). – DIY: Engine Fuel (Petrol/Gasoline, Diesel, CNG, etc). – DIY: Engine Electrical (Starting, Charging, Instrumentation, etc). – DIY: Engine Cooling (Air, Raw Water, Fresh Water, etc). – DIY: Engine Exhaust (Dry, Wet, etc). – DIY: Engine Mounting (Hard, Soft, etc). – DIY: Engine-to-Marine Gear Interfaces (Adapters, Dampers, Jackshafts, etc). – DIY: Marine Gears (Inboards, Inboard-Outboards, Outboards, Sail Drives, Pods, etc). – DIY: Shafting (Shafts, Couplings, Joints, Thrust Bearings, Seals, Cutlass, Struts, etc). – DIY: Propellers (Screws, Water Jets, Paddle wheels, etc).
15.3.4 – DIY: Electrical Systems. – DIY: Direct Current. – DIY: Alternating Current. – DIY: Auxiliary Generators. – DIY: DC to AC Inverters.
15.3.5 – DIY: Domestic Systems. – DIY: LPG systems. – DIY: Cabin Heating & Cooling. – DIY: Galley Appliances. – DIY: Water Systems. – DIY: Trash Disposal. – DIY: Furnishings (Cabinetry, furniture, Coverings, Entertainment, Weather, etc).
15.3.6 – DIY: Nav & Comm Systems (Charts, Compass, GPS, Radar, Lts, Flares, EPIRB, VHF, etc).
15.3.7 – DIY: Safety Equipment (PFDs, Firefighting, Alarms, etc).
15.3.8 – DIY: Personal Equipment (Diving, Fishing, Sailing, Racing, Watersports, etc).
15.3.9 – DIY: Tenders.
15.3.10 – DIY: Boat Trailers.

16 – MEDIA w/Creator Directory (Authors, Editors, Publishers, etc) + Lending Library.
16.1 – Articles (w/Reviews).
16.2 – Books (w/Reviews).
16.3 – Magazines (w/Reviews).
16.4 – Product Documentation (SpecSheets, Installation Drawings, Manuals, Parts Books, etc).
16.5 – Videos (Movies, etc. w/Reviews).
16.6 – Websites (w/Reviews & Links).

If there is anything on this webpage that needs fixing, please let us know via email

to see examples of our website's comprehensive contents!

Thanks to our amazing contributors for the steady flow of articles, and to our dedicated all-volunteer staff who sort, polish and format them, everyday we get a little bit closer to our goal of
Everything About Boats. If you would like to submit an article,
see Submitting Articles.


Ford Industrial Power Products Diesel Engines
How to Identify Ford Diesel Engines
Ford 2715E
Lehman Mfg. Co.
Detroit Diesel 8.2
Universal Atomic 4
Chrysler & Force Outboards
Eska Outboard Motors
Perkins Engines
ZF Friedrichshafen AG
Allison Transmission
American Marine Ltd (Grand Banks)
Boat Inspection
Types of Marine Surveys
Marine Surveyors: Countries by Regions
Boat Builders By MIC
Beta Marine
American Boat and Yacht Counsel (ABYC)
USCG NVIC 07-95 Guidance on Inspection, Repair and Maintenance of Wooden Hulls

What our nonprofit Anchors Aweigh Academy and its website have accomplished so far.

  • Published over 300 website main topic webpages, many with full articles on the topic. See our Website Contents in the Right Sidebar for the listing of the main topic pages.
  • Published over 9,000 marine vendor webpages, all with their contact information, most with a description of their products and services, many with product documentation, specifications and independent reviews. (Includes: Boat designers, boat building tools, material and equipment manufacturers and suppliers, boat builders and dealers, yacht brokers, marine surveyors, boat insurers, boat transporters, skippers and crews, boatyards and marinas, yacht clubs, boat rentals and yacht charters, boating, seamanship and maritime schools, marine law attorneys and expert witnesses, boat refitters and repairers, book authors and publishers, and video producers)
  • Acquired over 120,000 pages of product documentation including Catalogs, Brochures, SpecSheets, Pictures, Serial Number Guides, Installation Manuals, OpManuals, Parts Schematics, Parts Bulletins, Shop Manuals, Wiring Diagrams, Service Bulletins, and Recalls. And have made all viewable to academy members through the EAB website.
  • Acquired over 1,200 books and magazine back issues in our academy library and so far have made over 700 viewable to academy members through the EAB website.
  • Published over 500 DIY How-To articles about boat design, construction, inspection, operation, maintenance, troubleshooting and repair. We are working hard to do more.

We are currently formatting and polishing the Anchors Aweigh Academy online and hands-on courses. The Marine Surveying course has proven to be excellent for both the beginner and the seasoned surveyor, and especially helpful to the Do-It-Yourselfer.

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FROM Donald: "This is an awesome website. I found the information that I needed right away from one of the over 20,000 free articles that you provide as a public service. I'm surprised that so much if this site is free. But I still signed up so I could access the thousands of expanded pages, interesting articles, and dozens of valuable programs! The member's library of books, magazines and videos that I can view online is really terrific! I understand that you and your staff are all unpaid volunteers. Please keep up the good work. And I commend you for your plans to add another 10,000 free informative articles over the next year. I'm thrilled to support you in this endeavor with my small membership donation. Thanks again for all your hard work."

FROM Huey: "I agree with my Uncle, I too have found the articles to be very enlightening. They say that it will take about 100,000 articles to cover the full scope that they have envisioned for the website. They have over 20,000 articles so far and that's doing pretty well, but it could take several years to get the rest. I also noticed that many of the Main Topic Pages and some of the article pages are still in the rough draft stage. I guess that they will fill in as they can get volunteers to work on them. But what I can't figure out is why anyone would spend the time writing informative in depth articles just to give away free to this website for publication? What's in it for them?"

FROM Dewey: "Well Huey, to me It looks like most of the articles on this website are written by very informed people, like boating instructors, boat designers, boat builders, riggers, electricians, fitters, marine repair technicians and marine surveyors. Writing such articles helps establish them as knowledgeable professionals. After all, this website was originally created by a school for marine technicians and marine surveyors. The website is growing in content every day. They even had to move to a bigger, more powerful server because the website's traffic has been growing exponentially."

FROM Louie: "I agree with everyone above. This site is quickly becoming the ultimate reference resource about every aspect of boats and ships for everyone from the beginning recreational boater to the seasoned professional mariner. I use the topic pages on the right sidebar to browse around the website. It's like a Junior Woodchucks' Guidebook for Boaters. Their Members' Library of over 300 popular and obscure books and over 200 magazine back issues that can be viewed online is fabulous. The Academy's magazine is especially informative. On top of that, there is the "Ask-An-Expert program for members where you can get an expert's answer to any of your boat questions. And a whole years membership is only $25. What a deal! I really love being part of this "Everything About Boats" community and help provide thousands of helpful articles free to the public. I think that I'll sit down right now and write an article about my experiences boating with my uncle."

FROM Scrooge: "You rave about this website like it was the best thing since sliced bread. Well, I think it stinks. Sure, it has a lot of good information for boaters, and they're adding more every day, but it will probably never be finished. Furthermore, I don't even own a boat. And I wouldn't have a boat even if someone gave me one. Boats are a waste of money and time and energy and money! They're just a hole in the water you pour money into. If you gave me a boat, I'd sell it quicker then you could say Baggywrinkle. Then I'd lock up the cash with all my other money so I could keep my eye on it and count it every day. Bah humbug."

FROM Daisy: "I'm just so glad that Donald got the boat so we and the boys could enjoy boating — together. And of course all of the girls, April, May, and June, love to be on the water too, especially when that is where the boys are. Oh poor Scrooge, boating is more fun then you could possibly imagine."

FROM Scrooge: "After seeing how much fun you all have on the water together, I regret that I didn't have that much fun when I was young. I've had a change of heart, and I'm giving each of you a Lifetime Academy Membership."

FROM Editor: "For those of you that have stayed with us this far, many thanks. You inspire us to keep working on this labor of love. We know that we have a lot more to do. Ultimately, we hope that we can help you enjoy the wonder filled world of boating as much as we do. We are all waiting to see what you have to say about this webpage article. Submit any comments via email To⇒ Be sure to include this page's title in the subject line. Also, your corrections, updates, additions and suggestions are welcomed. Please submit them via email To⇒ Let's work together on this."