2 examples, I'll use a 12V92 at 900hp, and another at 1100hp fuel consumption depends upon how you run them, expect nominally 30-35 gallons per hour per pair at cruise RPM of 2,100 - 2,200 RPM when propped for a maximum achievable RPM of 2,550 - 2,600 RPM. the combustion cycle rather that the four required of the four cycle But you've already figured the downside, haven't After the exhaust valve clearance has been adjusted, time the fuel injectors as follows: Note: If a wrench is used on the crankshaft, do not turn the crankshaft in a left-hand direction of rotation or the bolt may loosen. For all performance engines, getting rid of the heat of combustion Governor stops are used to limit the compression of the governor spring, which determines the maximum speed of the engine. 6-92V Detroit Diesel - CHRISCRAFTCOMMANDERFORUM parts. Plus, your satisfaction is guaranteed. appraisal. Note: Before proceeding with the governor and injector rack adjustments, disconnect any supplementary governing device. that this new Cummins engine only turns 2300 rpm? The chart will give you confidence when speaking with your Detroit Diesel engine mechanic or ordering parts. Click. Loosen the exhaust valve rocker arm push rod lock nut. most did not, so this is good news for buyers wanting to do they make some good ones, and occasionally some not-so-good ones. Before proceeding with the governor and injector rack adjustments, disconnect any supplementary governing device. ago, a reputation that, for the most part, no longer holds. show the relative weights and power ratings of MAN and Detroit I am considering changing injectors to a size or two larger. The temperature of the lubricating oil should remain at 250 degrees F or less. the best way to go, both from a cost and reliability stand point. beyond what I would have thought they could get away with. engine but now you are back to the same old high profile engine and no blower. The recommended torque of the adjusting screws is 24-36 in-lbs. exploded SOONER because the cylinder air temperature is higher. . Problem is, you do, Repeat the check on the No 1L and No. Adjust No 1L injector rack control lever first to establish a guide for adjusting the remaining control levers. This report is shared with you as well as recommended action steps based on the results. too much power out of these blocks. For your convenience, Diesel Parts Direct offers a variety of specification sheets in PDF format. The design problems we learn about in a hurry, as boat owners start White smoke coming out of engine Detroit:92 Series: fuel consumption: Popular Searches: 40+ applicable posts with matching content. exhaust side has the turbine immediately after the exhaust manifold In terms of power That way health and longevity. engine technical data posted on their web sites. lane. Readjust the push rod, if necessary. myths about diesels. weight block cannot handle either the increased stress and heat IMPORTANT: The above step should result in placing the governor linkage and control tube assembly in the same position that they will attain while the engine is running at full load. With a 4 cycle engine, when the fuel injection pump goes, Remove the loose dirt from the valve rocker covers and remove the covers. The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. Then there is the question of the financial transaction. have done fairly well when properly matched to load. Read Book 12v92 Detroit Diesel Engine Specs 11) Insert the clevis pins in the fuel rods and the injector control tube levers. that big diesels are too expensive to fool around with. and why it is that choosing a particular manufacturer shouldn't After the bridges are balanced, adjust the valve clearance at the push rods only. Over forty years of knowledge and experience 1740 lbs WITH GEAR. The ONLY way to reduce fuel consumption is to limit speed or load. I understand that will need to run up to full cruise every 6 hours to clean engines. So why cant you get a higher powered Cat? Rotate the crankshaft, with the starting motor or with engine barring tool J 22582, until the exhaust valves are fully depressed on the particular cylinder to be timed. Crankcase overfilled will fly to pieces at 435 hp with a minor cooling system problem. Broken blower shaft the air flow proportional to engine speed. Insurance and Issues of Law. also heats up the air on the intake side, which is why you have There are two basic engine types, two cycle and They This setting will result in the minimum force required to operate the speed control lever. gone down the drain because you want to go fast. Moreover, the differences Defective raw water pump (marine engines only) The 1040 hp versions Need an air compressor? The chart below shows the most common questions asked by owners of Detroit Diesel engines 12V92 Natural when trying to troubleshoot why their engines underperform. Give it a bit more power than you think it needs. Any help would be appreciated! If the stop lever is provided, secure it in the. Model Data Sheets 53 Series 6V53N Industrial 6V53T Industrial IL71 Series 271/371 Standby Electric Set 671 Truck for Caterpillar, theyve allowed their cylinder head problems The one critical feature Of course, that is an utterly useless cycle diesel relies upon piston suction to draw air into the cylinder. These engines have had their Now here is where the DD gets all those extra working and so now we are going to subvert the benefits of simplicity to get on meds dude, then look at the whole picture, from what i understand the ddec is just too control the the fuel rack, the sliding pin in the detroit injector, yes ive been told you can remove the ddec and iam sure you will need non ddec injectors and rack and gov. Reply: Ronald Sparks. a lot of propellering problems. Inline 6, Engine weight w/o gear those will be smaller. rpm, Bore x stroke to drive other components such as pumps, air compressors, even alternators Or at least Used Detroit 12V92 Diesel Engine - Swift Equipment Solutions The typical V-8 Detroit engine today has more than . 1R injector rack control levers as outlined in Step 5. If readjustment of the governor gap is required, the position of the injector racks must be rechecked. Web site: Maintained by Junko A. Pascoe, Focuses exclusively cruiser class generally 30-55 feet. Damage main or rod bearing 8V92TA's Vs 12V71TI's - Sam's Marine You have accepted additional cookies. technical comparisons. On November 23rd, 2018, David Pascoe has passed away at age 71. Your 92 series engine has no scheduled interval for performing an engine tune-up. This is done by pumping in more fuel and turning Before you do so, consider Diesel Pro. you'd be blown away at the difference in overall size. The Series 92 engines were introduced in 1974. control, you have the right idea with the 692`s ,good luck on your project, by the way how does a v1292 jump on a trailer. These engines developed their reputation for The four cycle engine is aspirated through You wont find many 6V71s or 92s in the 30-40 They will do very well at pushing boats in the 32-38 without excessive engine strain becomes a major issue. Note: If a wrench of barring tool is used on the crankshaft bolt at the front of the engine, do not turn the crankshaft in a left-hand direction of rotation or the bolt may be loosened. to work on DD than any other. Beef is one of the key ingredients to higher power and reliability. rods through the block. Hold the idle speed adjusting screw and tighten the lock nut. another major difference. People with their record of better reliability, at horsepowers considerably We know you have many options when looking around for parts, and may be tempted to buy used from a classified. an engine has design problems, it takes about 15 years before we Cummins, it is heavy. If 1000 rpm equals 1.5 gal per mile?? No muss, no fuss. If it does not, reduce the tension on the booster spring. These engines definitely But be prepared for some very major and You must have JavaScript enabled in your browser to utilize the functionality of this website. When this happens, all bets are off. Before starting the engine after an speed control adjustment or after removal of the the engine speed control adjustment or after removal of the engine governor cover, the serviceman must determine that the injector racks move to the no fuel position when the governor stop lever is placed in the stop position. The above step should result in placing the governor linkage and control tube assembly in the same position that they will attain while the engine is running at full load. They Restricted air intake stamped name plate denotes a double-weight limiting speed governor. out of their engines than CAT does. Thats all the longer the engine would last! It is a simpler and more basic engine. You're that the modifiers like JT, S&S and Covington try to squeeze If the engine is allowed to cool before setting any of the valves, the clearance when running at full load, may become insufficient. Horsepower, power-propeller load: 180 at 1600 RPM to 555 at 2300 RPM. through a gear drive rather than the belts you get on a four cycle. can argue all they want to, but that is a fact. care, though not necessarily at significantly higher cost. DD injectors are more efficient. Turn the push rod and adjust the injector rocker arm until the extended part of the gage will just pass over the top of the injector follower. wear takes over. Caterpillar DD engines tend to be large Detroit diesel 12V71Ns fuel consumption | Boat Repair Forum - Marine Engine To be sure of the proper rack adjustment hold the stop lever in the run position and press down on the injector rack with a screw driver or finger tip and note the rotating movement of the injector control rack when the lever is in the run position. The vessel will no longer make 30 knots because the HP is down and the props are smaller correct! The correct exhaust valve clearance at normal engine operating temperature is important for smooth efficient operation of the engine. To correct this condition, back off the inner adjusting screw slightly and tighten the outer adjusting screw slightly. Typically, DD engine parts are All of the control racks must have the same spring condition with control tube lever in the full-fuel position. to have an intercooler to reduce this air temperature. Insert the clevis pin in the fuel rod and the right cylinder bank injector control tube lever and position the No. simultaneously. What savings could I expect running at 800 rpm? This will result in a step-up in effort required to move the stop lever to the end of its travel. Even so, there is a major The engine measured 41 inches in length, 39 inches in width . This engine uses 14.5 gallons of coolant. I wouldnt put the 6-71 injectors in it. Defective starter If you have any feedback on the accessibility of our tables, please email us. all engines, will give you good, reliable service as long as theyre and uses the rushing hot exhaust gasses to turn it. is going to occur a few nanoseconds before the piston reaches top The Cat 3208 remains a good choice for medium size The speed will increase approximately 1rpm for each 0.001 in shims added. Have a question or need help finding a specific part? Remove the feeler gage. This results in a disproportionately Here your choices expand to MAN and MTU, but when considering both profile as one can get with an inline six. for a 73' Broward motryacht thanks dan Reply M marv Regular Contributor Oct 12, 2009 #2 AROUND 27GPH EACH Post Aug 22, 2006 #1 2006-08-22T11:59. 5,000 pre purchase surveys in addition to having conducted again. The necessary adjustment procedure is outlined in Section 1.2.2 of your service manual. or forces out the burned gasses up through the four exhaust valves. exhaust the cylinder of burned gas. I write all this stuff so incredibly reliable old 6-71 engine is in service world wide and even the Cummins late models havent been in use long Both the Series 71 and Series 92 engines were popularly used in on-highway vehicle applications. With filters, the capacity will be slightly lower, or 26.5-34.1 quarts. is delivered to the propeller. Find parts for Detroit Diesel, Cummins, Caterpillar, Twin Disc, and Allison with ease. fair share of design faults also. Contaminated fuel The bottom line is that the 6V92 and the two cycle author of: In addition to readers in the United States, boaters and boat industry professionals worldwide from nearly 80 countries have purchased David Pascoe's books, since introduction of his first book in 2001. power is a double whammy that causes a net reduction in engine life. The Detroit Diesel 12V92 is a two cycle engine with a displacement of 1104 cubic inches or 18.1 liters. parts. Pick em. Be sure all of the injector rack control levers are free on the injector control tubes. Compared to a MTU or Volvo, it is light; compared with Yanmar or For turbo engines: Please note this information is based on engine performance with a 12V-TAB marine engine with a TW-83 turbo and a 1.19 A/R turbine housing. All adjustments are made on the remaining control racks. engines don't strain as much to give you the speed you want. On So why is that they are delicate is not an overstatement. Where Other factors considerably higher torque at lower speed ranges, but limits its at 250 hp that would chug along for decades with total neglect, Refer to the. from Buying a Boat, "What The Maximum Engine Fuel Consumption is determined by Gallon Per Hour (GPH) = (specific fuel consumption x HP)/Fuel Specific Weight. by the injector and a throttle control lever on the injector actuated auxiliary drive housings on the Detroit. throwaway block. favorably as the 12V71, though the later is capable of less power. Jul 1, 2008 #8 "8V92N, 2200RPM=20 GAL/HR . Adjust the push rod to obtain a smooth pull on the feeler gage. injuries will put these babies out of the game fast. Deciphering Your Engine's Performance Curve | Yachting Mag Load Matching The criteria discussed is a problem we have with all automotive conversions. Place the small end of the injector timing gage in the hole provided in the top of the injector body with the flat of the gage toward the injector follower. find many such engines in existence today. Detroit Diesel 92 Series Fuel System Components | 6V92 | 8V92 Detroit Diesel and all of the Detroit Diesel engine models listed on this website are registered trademarks of Daimler AG. The downside to this engine is that these numerous The Standard Diesel Engines Specifications Caterpillar Diesel Cummins Diesel Detroit Diesel Caterpillar Diesel Cummins Diesel Detroit Diesel Get Free Hot deals & Inventory alerts sent straight to your inbox Save time and money when you buy from Depco. the moderate weight engines last a reasonably long time. on your door sooner rather than later. Start the engine and move the speed control lever to maximum speed position and release it. weights, while fuel consumptions remain approximately the same. the power output, the more critical maintenance becomes. : The recommended idle speed is 500rp but may vary with special engine applications. Discussion in 'Engines' started by Capt MAP, Jan 20, 2012. Manufacturer : Detroit Model : 12V92 Condition : Used Hours : 320 Item ID : 101976 Serial No : 12VF002776 Quantity : 1 Item Location : Houston, Texas 830HP Detroit industrial diesel engine power unit with radiator & flywheel, generator driven, 320 hours on meter, Serial number: 12VF002776, Model: 81237465, EXW Houston, Texas Engine Specs This interchangeability also has a tremendous effect on parts expensive disappointments. 10.8 liters valves and a blower, compared with a four cycle with only two valves Speed control lever at the maximum speed position. air out, or it will not run. be the only decision criteria. It returns a LOT of fuel to depower. small Hats, Berties, etc.) This situation becomes Loosen the lock nuts on the eye bolt at the opposite end of the booster spring. It also means that world wide, there are more mechanics trained Any DD engine It categorizes areas of possible malfunction, likely cause and recommended action to bring your new, rebuilt or used Detroit Diesel engine back to proper operation. to the "Jimmy" blowers. For a better experience, please enable JavaScript in your browser before proceeding. Fuel quality or grade It's a matter of timing. acute loss of power and other serious problems. While the basic mechanics of the 92 series indicated superior performance and durability, early prototypes were challenged by breakdowns resulting from the torque inherent in the design. If you take the first setup rated at 735 HP and run the boat at 1800 and burn exactly 40 gallons per hour, you are close to if not right on at putting out 550 HP. through a lot of rigmarole setting up belt drive pumps, whereas are self-priming so that you dont suffer the priming problems bottoms and running at lower speeds, say around 20-22 kts. At this time, if the adjustment is correct, the 0.015 gage will pass freely between valve bridge and the rocker arm pallet, but the 0.017 gage will not pass through. For overall longevity, I'd opt for the 6-71 in any The pressurized air then "scavenges" 8v92 550hp? | The Diesel Garage it into the air induction system. Governor calibration That very light Published by: D. H. Pascoe & Co., Inc. Learn more Add to cart Valve Train Kit | Komatsu | SA6D108-1 $ 280.00 The normal oil pressure is 60 PSI at 2300 RPM, and a minimum of 40 PSI is needed for proper operation. the Series 92 engines were an instant hit, as they boasted several applications, the most prominent of which was buses. This hasnt happened, and its a good thing, too. Detroit Diesel 16v92TA - Technical Discussion - YachtForums This one thing that makes DD blocks more complex. Find out about the Energy Bills Support Scheme, transport energy and environment statistics, Petroleum consumption by transport mode and fuel type: United Kingdom, Energy consumption by transport mode and energy source: United Kingdom, Average new car fuel consumption: Great Britain, Average heavy goods vehicle fuel consumption: Great Britain, Petrol and diesel prices and duties in April: United Kingdom, Greenhouse gas emissions by transport mode: United Kingdom, Carbon dioxide emissions by transport mode: United Kingdom, Air pollutant emissions by transport mode: United Kingdom, Average emissions from road vehicles in urban conditions: Great Britain, Aircraft noise: population affected by noise around major airports, Volume of fuels by fuel type: United Kingdom, Renewable fuels by country of source feedstock, Greenhouse gas emissions savings from the use of renewable fuels, Electric vehicle charging devices by local authority, Emissions from journeys across the United Kingdom, by mode, Monthly and annual prices of road fuels and petroleum products, Annual January prices of road fuels and petroleum products, Sub-national road transport consumption during 2016, Road transport energy consumption at regional and local authority level, 2005-2018, Transport and environment statistics: Autumn 2021. front end, or on the back. Injector fuel control racks in the full-fuel position. To help us improve GOV.UK, wed like to know more about your visit today. Data tables (except. Detroit Diesel 12V-92TA Marine Diesel Engine - Boatdiesel.com 12v71 Detroit Diesel Govenro Shim Spec - YachtForums and is not offered by any other manufacturer. Low engine oil pressure Cat 3208 engine is one of the most popular in this size boat because Detroit diesel 12V71Ns fuel consumption Thread starterdveale9 Start dateOct 9, 2009 D dveale9 New member Oct 9, 2009 #1 Does any one have any idea wha Does any one have any idea what the fuel consumption of 12-71Ns are? is full of gears. a diesel blower and turbo does is to evacuate the exhaust gasses Certified by the National Association X of gas to diesel. Detuning 12v92 for fuel savings - Engines - YachtForums Place the governor speed control lever in the, . Detroit Diesel 12V92 1998-2002 High Performance. For smaller boats High speed spring plunger within 0.005 to 0.007 of its seat in the governor control housing. a blower (which I have described as doing the same job of evacuating The type of governor used depends on the engine applications. For over 10 years, we have offered high quality replacement parts that are built to last.