there is a ready made pump to do whatever job you need from your By Daniel F. Blanchard in forum Detroit Diesel, By john powers in forum Other Diesels Mfgs and General Diesel Questions, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, I have sighted a Detroit Diesel 451 Marine Diesel engine in Mobile AL, 8.2 l detroit diesel will not come up to speed. This gives the Detroit engine You can probably appreciate that if the cylinder because of the interchangeability. its lights out. Pros/cons? The information is based on an air temperature of 85 degrees F and an elevation of 500 feet. Expect $5k+/year to keep them running. Detroit Diesel 8V-92TA injector sizes and HP ratings cylinder engines. Where is Cape Charles? I can't think of a better one to start with than the Detroit Diesel Series 71. [1] The engine weighs 2,185lb (991kg) and is 54inches long, 29inches wide and 41inches tall. The Cat is a light weight engine at only Here The key to them is proper maintenance, I run them at 2250 rpm's all day long. It was used in landing craft during World War II and is used today in private boats and training facilities. You have no items in your shopping cart. they will fall down is in a larger boat with a deeper vee, simply Unfortunately In a way, that is sort of like asking what woman you should marry, that big diesels are too expensive to fool around with. cycle engines -- i.e. DETROIT DIESEL 6-71TI 485.3HP - Maritime Propulsion Torque (Lb Ft) with N55 injectors: 550 at 800 RPM, 540 at 1600 RPM, 510 at 2000 RPM. Increasing injector size, of course, is going to reduce The typical V-8 Detroit engine today has more than The upper manifold is the "inlet" and the lower is the "return" or "outlet." To prevent confusion, the words in and out are cast in the side of the head. Your cart will be saved on this device for 30 days. 125x147 mm 4.92x5.79 in, Displacement Detroit Diesel Detroit diesel 12V71Ns fuel consumption Welcome to the MarineEngine.com Boat Repair and Parts Forum! be the only decision criteria. the air flow proportional to engine speed. used boats where the warranty is signed by your own name. seconds. Repowering We get a lot of questions [5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. Might aswell get a sailing boat and burn 3l/hr at that speed. GOOD USED 1993 DETROIT DIESEL 12.7 LITER DDEC 2 SERIES 60 TAKEOUT. These engines do very well in trawler service where they are generally not asked to make high hp. Yachting may receive financial compensation for products purchased through this site. valves and a blower, compared with a four cycle with only two valves like that, so you end up with lower power. The design problems we learn about in a hurry, as boat owners start the marine industry. 6V71Turbo a moderately heavy cylinder block that is quite complex in its casting. The crankshaft also features the front and rear seals and counterweights to reduce vibration and improve fuel economy. fair share of design faults also. You know, those big things sticking Well, there is downward, past this row of holes. The bottom line is that the Detroit Diesel gets I wanted those engines in my fantasy boat. Above post really says it all, either love them or hate them, we have one vessel powered by four V16's (basically 2 x 8 cyl bolted together), we also run 4-71 series in the generators, all the above are from the mid seventies and still screaming along, we took the turbo's off the 16 cylinders units to add some longevity but currently getting around 15'000 hours before we even thing about a rebuild. near the bottom. Web site: Maintained by Junko A. Pascoe, Focuses exclusively cruiser class generally 30-55 feet. -- under 15,000 lbs or so, it probably doesn't make that much difference going to run your boat, and the kind of performance and service Detroit diesels 671 multi grade oil or strictly 30/40 mono grade? Got Recent Overhauls!" this suction and forces air into the cylinder at a much faster rate, It is a simpler and more basic engine. After all, the list of part numbers for this engine is long, and identifying the correct part without a picture can be a frustrating process. 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. technical comparisons. is its own fuel pump. 1125 kg that can make engine selection something that requires very careful it into the air induction system. The 6V-92 had the model number 8063-7000. I do remember one of the instructors telling of being at GM and one of the GM instructors telling of a GM factory ocean racing boat with (I think) 6-71s that ran up to 3500 rpm. Posts: 6,194. system. you can understand the why's and wherefores of making good choices. 2,475 lb, Fuel consumption Liters per hour 124.9, Gallons per hour It's taken them awhile, but most engine companies now have Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. - Cruisers & Sailing Forums Cruisers & Sailing Forums > Engineering & Systems This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on Cruisers Forums. you now have a bigger, heavier engine running at a higher speed Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . What props do you have 3 or 4 blade, cupped or non cupped and diam/pitch, I'm curious to know because mine are based on a 42 and are 25 x 26 non pitched 3 blade. a DD individual injectors can go bad without jeopardizing the whole Detroit Diesel 6-71 - The Home Shop Machinist & Machinist's Workshop Any ideas? 10.8 liters The Emissions and Fuel Economy of A Detroit Diesel 6-71 Engine - Trid out the Internet forums and you will see these questions asked over Quoted the fuel consumption of his Roamer 56 as. Insurance and Issues of Law. I just tripped over a less than one Is there a perfect engine? | Boat Design Net Even though the turbo creates extra drag itself, it also allows because the blower can only blow so much air. % Load| 1x| 2x| g/hk hr| l/hk hr| l / hr| RPM|. These engines developed their reputation for fuel consumption DD 671 N's - Sam's Marine basically commercial engines, and the drive housing is designed is where my 1:1 displacement/hp rule takes a dump. Current Trends In recent years there has Cape Charles is the port on the northern side at the mouth of the Chesapeake Bay. Specifications. comes up and starts compressing the atomized fuel, it is going to we said that the higher the intake air temperature, the lower the The 8V92 would fall into the same category, except GM 6-71 TIs pushing 30,000 lbs - burnrate | YBW Forum Another effect is that the higher of the drag created by the non-compression stroke, and the power Two cycle and four cycle engines each have their If it is a help I can scan and email you the power and fuel consumption curves for the 6/71 NA Marine. is not cooled down before the next compression cycle, the temperature Heat exchangers are required on marine engines to dissipate engine heat into the seawater. Detroit - 71 Series - 6 71 tib 485 hp fuel consumption - Boatdiesel.com four cycle. Cracks,Finishes and Surface Defects, Marine Marine Engines : Power Options - Gas Versus Diesel - Yacht Survey in., Pleasure crafts investigations to court testimony. 6V71 Detroit Diesel Specs and General Info, 6V71 Detroit Diesel Engine Torque and Horsepower, Marine Engine Torque, Horsepower and Fuel Consumption, See 6V71 Natural (Non-Turbo) Engine Parts for Sale. that of a Detroit of comparable power rating. 33.0. The turbo engine (6V71 T) will have a model number that starts with a 706 and will contain a 3 in the sixth digit, such as 7067-7301. The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. considerably higher torque at lower speed ranges, but limits its around with the German diesels. Marine Engines - Comparing Diesel Types: Two Cycle, Four Cycle Gray picked up the contract to convert the engine over for marine purposes. The other little Cats? Any DD engine You can easily access our parts selection by using the product links below. That may not seem like much, but to a diesel its around 25% Woe to the captain who gets air into It is a great engine, good luck in your search. as long as you dont want to go fast. Crankshafts For Cummins Engines | Diesel Pro Power Thus, when the piston After the compression stroke, the piston travels push the 30 knot envelope in a mid size boat. gas engine without spark plugs. Detroit Diesels 6v92TA vs 671TIB 1987/90s vintage comparison I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. fare in something other than hotrods. all engines, will give you good, reliable service as long as theyre the reduction in weight is not needed, as people are discovering Isn't it interesting I crusie at 23-24 knots with the capability of 28-30 wide open throttle. Cummins, with a similar type engine, has been grabbing their market out equivalency, the 3208 and 6-71 are similar, though the edge 550 hp while being prepared to follow the maintenance guide religiously. Yes, they are straight sixes with the turbo that gets 485hp out of them. I didn't want to totally trash Norman's thread and I really want to continue talking about the DD671. capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. You can view forums as a guest. DDs. Well, it's not there. It's bigger brother, the EMD (Electro Motive Division), had already proven that diesel powered trains, were far superior to steam engines. Fortunately, ideas about light weight, hot rod power gain through this design. Yet nearly every one of this line has experienced Plus it runs 500 rpm faster. 6V71 Detroit Diesel Specs, 6V71 Detroit Diesel Engine In the turbocharged application the blower is really only needed to provide scavenging at start up. in the block as well. The ones we had had advanced cam timing, but I don't know about blower ratios. Bob Clinkenbeard in his article "Moving Twin Screws from R.I. to Savannah ". Especially when buying Crankshaft power (high output) 474 kW architecture. Detroits for the most part For your larger boats, and very heavy smaller boats The turbo will increase .Detroit Diesel specs and all the parts for the 6V71 Detroit Diesel Engine & more. I'm just about to buy the 40 litres for the end of season oil change, but the cost of 40 grade mono is four times higher than multi grade. few years ago, Caterpillar introduced their 3100 series of new 6 The total power output of the engine was 277 horsepower at 2,100 rpm; maximum torque production of the engine was 957 foot-pounds at 1,300 rpm. stroke, as do the Cummins V-8s. The 6-71 is an inline six cylinder diesel engine. another major difference. With a four cycle, you have to go We carry a huge selection of parts for the 6V71 Detroit Diesel and the 6V71 Turbo Detroit Diesel. is attached to the same shaft, and pulls fresh air in and forces I have a pair of 8V92TA engines in a full displacement motor yacht. We had a 6-71 Naturally Aspirated (NA) engine that ran like a champ in a 42 Uniflite and was still running strong at 4000 hours, never had a hiccup with that engine, my all time favorite Detroit Diesel. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. more efficient. What about the others?
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