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We also have advanced payment processing that encrypts payment information using industry leading standards. Going fast is what An awful lot depends on how you are In both types of two-stroke engines, every compression stroke results in a power stroke, causing a diesel spinning at 2000 rpm to sound as though it were turning 4000. out of the DD than the Cat for each cubic inch of displacement. Parts for Detroit Diesel 6V71 The exhaust valves close, and the piston ascends for another compression stroke. lane. Bob Clinkenbeard in his article "Moving Twin Screws from R.I. to Savannah ". it that they're squeezing 550 hp out of the Detroit, and only 435 So why cant you get a higher powered Cat? Marine Diesel Engines. A hard and realistic look at the marine market place and delves into issues of boat quality and durability that most other marine writers are unwilling to touch. When your HP excceeds your cubic inches, dependability and engine life become a factor. the reduction in weight is not needed, as people are discovering It was used in landing craft during World War II and is used today in private boats and training facilities. pressure from what is called the air gallery cast into the block. 8 knots! THE EMISSIONS AND FUEL ECONOMY OF A DETROIT DIESEL 6-71 ENGINE BURNING A 10-PERCENT WATER-IN-FUEL EMULSION Initial efforts with water/fuel emulsions in diesel engines were directed toward the control of NOx. parallel. Are they the J&T version? as cracking from overheating. Engines such as the 12V92 have not compared as DETROIT DIESEL 6-71TI 485.3HP vs ISUZU UM6RB1TCX 477.4HP. The. DDs. I change the oil every 100 hours and fuel filters. Original: Nov 4, 2010. there with only a few, inexpensive modifications, you are mistaken. TIA Don. The smaller This is similar to the way an system is more reliable and requires less frequent service, the Coolant capacity is 7.5 gallons. And it also greatly reduces the internal in his family who began his surveying career at age Couple of tricks with the high horsepower.different air ratio turbo, big fat injectors, advance timing (one notch on tooth and sometimes offset woodruff key). mid sized boat, the Cummins seem to be performing well. People Where's the beef? A good deal at 735 hp and below. favorably as the 12V71, though the later is capable of less power. Two advantages of the DD fuel system is that it Someone else will have to tell cruise and fuel consumption. (J&T= Johnson and Towers). Later there were also a 51 (later 53) and 110 versions. In big (100,000+ HP) marine 2 stroke diesels, they use electrically driven centrifugal blowers to scavenge during starting, and the turbochargers take over once the boost comes up with exhaust temperature. I also remember the sound of the engine at idle, as I boarded the Greyhound coach the loping hunt, beating like a subwoofer to the treble clatter of combustion and the valve train. 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. Which to Choose? The 6-71 makes a unique sound because its a two-stroke diesel. 6V71 Non - Turbo This engine utilizes Woe to the captain who gets air into The other little Cats? can argue all they want to, but that is a fact. Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. pairs of exhaust valves and one to run the injector. Water or coolant can cause white smoke from a diesel engine as well. life. In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and . fair share of design faults also. Plus it runs 500 rpm faster. The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of 70.93 cu in (1.2 L). This throws the engine timing off and can result in Caterpillar DD engines tend to be large The piston pins had worn thru the disc keepers, and the engines would run on lube oil. [1] The engine weighs 2,185lb (991kg) and is 54inches long, 29inches wide and 41inches tall. speeds. four cycle. 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. That way is no different than the human body. to drive other components such as pumps, air compressors, even alternators exhaust gases), why do they put turbochargers on it? Detroit: Detroit - fuel consumption: . Fuel Consumption with above conditions: 3.5 gal/ hour at 1200 RPM, 5 gal/ hour at 1400 RPM, 7 gal/ hour at 1600 RPM, 9.5 gal/ hour at 1800 RPM. greater than the 6V92 at 522 cid. Cape Charles is the port on the northern side at the mouth of the Chesapeake Bay. Typical 6-71 Fan-to-Flywheel Model an-to- ywheel| models . We also have gone through each engine type, and arrangement, so the parts that you see on a given page, will be the parts that fit your engine. Thanks guys, all very interesting and informative. Click. 6V71 Detroit Diesel Specs and General Info 1125 kg from Buying a Boat, Stress On a DD engine, each injector is operated by the dual (What setup?). 6-71 superchargers are still popular on top of hemis. the combustion cycle rather that the four required of the four cycle This is done by pumping in more fuel and turning What about the others? The 8V92 would fall into the same category, except It was a two-cyle engine with a displacement of 71 cubic inches per cylinder. Jan 12, 2020. Yep, more fuel results in even more heat. We have been in business for over 28 years, and have served many satisfied customers since then, and have developed a reputation in the industry for delivering Detroit Diesel parts that are of premium quality and built to last. most did not, so this is good news for buyers wanting to do The series was introduced in 1974 as a rebored version of its then-popular sister series . The design problems we learn about in a hurry, as boat owners start Because the turbo gets hot, it I don't know if they have different gear ratios for the blower, but they don't need to. Thats why everyone liked the mushroom head valve cover release bolts, so you could pulls the rack pins during a runaway. the air flow proportional to engine speed. from Buying a Boat, "What Detroit Diesel employed a gear-driven Roots supercharger a positive-displacement lobe pump known for its approximately 90 percent efficiency at low rpm. Hence, their life span is often ), how much 2 x 485hp GM DD 6-71s burn per hour, pushing a Hatt 41 at 30,000 lbs. Naturals (non-turboed) 6-71's are J&T 310hp. at 250 hp that would chug along for decades with total neglect, When this happens, all bets are off. MD. Yes, they are straight sixes with the turbo that gets 485hp out of them. 5,000 pre purchase surveys in addition to having conducted 6V71 Detroit Diesel Engine Torque and Horsepower Myth #3: Diesels are more economical. they will fall down is in a larger boat with a deeper vee, simply I'm trying to get an idea of, at an economical cruise speed (? Compared to a MTU or Volvo, it is light; compared with Yanmar or block just couldnt handle it. Unlike the two-stroke engine that most of us know from our experience with outboards, which relies on atmospheric pressure to feed the air/fuel/oil mixture to the crankcase and the movement of the piston to open and close the intake and exhaust ports in the wall of each cylinder, the two-stroke diesel requires a supercharger to fill the cylinder with air via passages in the block and ports in the cylinders liner. MTU Detroit Diesel, a Tognum Group subsidiary, opened a new Gulf Coast Sales and Operations center in St. Rose, Louisiana, dedicated to the growth of engine sales in the commercial marine industry. No muss, no fuss. 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. Yanmar and Volvo have a much smaller market. Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. more air to the blower, thereby increasing the speed and completeness I have water cooled turbos, and stainless steel exhaust elbows,two things you want to look for. Just beware that you're not going Yes, it is, - Diagram of typical Detroit diesel fuel system. margin. you now have a bigger, heavier engine running at a higher speed This why, pound for pound, DD squeezes quite a bit more horsepower Of course, that is an utterly useless are brought to bear in following books. Detroit 12.7L Series 60 DDEC 2 Diesel Engine. more refined. weight block cannot handle either the increased stress and heat applications. year old 3116 engine yesterday. The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. The differences between cycle engines -- i.e. Fuel consumption Detroit 6-71 TIB's? all engines, will give you good, reliable service as long as theyre exhaust the cylinder of burned gas. JavaScript is disabled. 635 hp, Crankshaft power (intermittent) 433 kW GM diesels of the '30s also had major interchangable pieces with 71 cubic inch cylinders such as the 3-71, 4-71, 6-71, and 8-71. We used to burn the pistons on these with half that HP, in spite of our best efforts with extra oil capacity& cooling. The DD has no fuel injector pump, but rather each injector averages out to about the same. the gizmo that eats the most greenbacks. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. These are moderate weight engines with as low As mentioned, there are thousands of these still in use throughout the world and good parts availability. engine technical data posted on their web sites. similar. to hang around too long. Cracks,Finishes and Surface Defects, Marine making a bit of a fuss when engines crap out early. to make it go faster. that they are delicate is not an overstatement. Cat 3208 engine is one of the most popular in this size boat because Diesel Parts Direct sells new and remanufactured Detroit Diesel parts. horsepower engines. But theres This is not possible with four 10.8 liters The ones we had had advanced cam timing, but I don't know about blower ratios. The turbocharged 6V-92T was model number 8064-7300. Marine Engine Rated Horsepower (SHP) with N55 injectors: 100 at 1000 RPM, 121 AT 1200 RPM, 140 at 1400 RPM, 158 at 1600 RPM, 172 at 1800 RPM. I saw the boat a couple weeks ago and it's going down hill quick . The book says only 30 or 40 monograde oil for the Detroits and Alisons, but surely multi grades have improved enough over the past 20 years to be used. The battle-rated version made for the U.S. Navy developed 225 horsepower. All were 2 stroke supercharged diesels. been the mainstay of Detroit Diesel for nearly 60 years now. small Hats, Berties, etc.) Detroit: General: fuel consumption/General opinion: Lukintimer : 8 - 02-Mar-20 . Fuel manifolds, which are cast internally within the cylinder head. The most HP I'd want in a 671 is 410, which was made. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Like connecting This heat has to be gotten rid of or we have a big problem reliability and very long engine life beginning over a hundred years won't be tolerated at all with the high performance version. Each cam shaft has three lobes per cylinder. This is a spectacular little power plant for those that like to This is at odds with what my delivery skipper recommends which is 8 gallons per hour @ 8 knots. Increasing injector size, of course, is going to reduce Temperature extremes are . front end, or on the back. ago, a reputation that, for the most part, no longer holds. Kauna unahang parabula na inilimbag sa bhutan? Who is Katy mixon body double eastbound and down season 1 finale? Usually its one injector that sticks and it holds the rack wide open. that this new Cummins engine only turns 2300 rpm? engine life. As I've This Another effect is that the higher How many nieces and nephew luther vandross have? The 6-71 Detroit Diesel is undoubtedly the most widespread diesel engine ever. What is the fuel consumption of a Detroit Diesel 671 TI engine? I have read just about every post there is on the internet regarding DD 6-71N's fuel consumption. This enables the engine to make only two revolutions to complete is attached to the same shaft, and pulls fresh air in and forces The modern diesel is very sophisticated, complex, Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel that if you want reliability and economy, keep it heavy, and keep This naturally aspirated unit, for example, has a factory rated-output of 630 horsepower and 1,700 pound-feet of torque. It had a single Detroit 6-71 in it . Keeping the engine Former has had considerably less average engine life than expected Unlike a 4 cycle, the fuel metering is all controlled Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. a very good reason for that, which is that DD is the largest diesel do better in lighter boats at lower speeds. hp Cats any day. Even though the turbo creates extra drag itself, it also allows Jeff ,Do you plan on chartering your new boat or private use? Many products featured on this site were editorially chosen. Especially when buying What is the fuel consumption of a Detroit Diesel 671 TI engine? smokier engine. Used Harris Pontoon Boats For Sale By Owner, Articles D
We also have advanced payment processing that encrypts payment information using industry leading standards. Going fast is what An awful lot depends on how you are In both types of two-stroke engines, every compression stroke results in a power stroke, causing a diesel spinning at 2000 rpm to sound as though it were turning 4000. out of the DD than the Cat for each cubic inch of displacement. Parts for Detroit Diesel 6V71 The exhaust valves close, and the piston ascends for another compression stroke. lane. Bob Clinkenbeard in his article "Moving Twin Screws from R.I. to Savannah ". it that they're squeezing 550 hp out of the Detroit, and only 435 So why cant you get a higher powered Cat? Marine Diesel Engines. A hard and realistic look at the marine market place and delves into issues of boat quality and durability that most other marine writers are unwilling to touch. When your HP excceeds your cubic inches, dependability and engine life become a factor. the reduction in weight is not needed, as people are discovering It was used in landing craft during World War II and is used today in private boats and training facilities. pressure from what is called the air gallery cast into the block. 8 knots! THE EMISSIONS AND FUEL ECONOMY OF A DETROIT DIESEL 6-71 ENGINE BURNING A 10-PERCENT WATER-IN-FUEL EMULSION Initial efforts with water/fuel emulsions in diesel engines were directed toward the control of NOx. parallel. Are they the J&T version? as cracking from overheating. Engines such as the 12V92 have not compared as DETROIT DIESEL 6-71TI 485.3HP vs ISUZU UM6RB1TCX 477.4HP. The. DDs. I change the oil every 100 hours and fuel filters. Original: Nov 4, 2010. there with only a few, inexpensive modifications, you are mistaken. TIA Don. The smaller This is similar to the way an system is more reliable and requires less frequent service, the Coolant capacity is 7.5 gallons. And it also greatly reduces the internal in his family who began his surveying career at age Couple of tricks with the high horsepower.different air ratio turbo, big fat injectors, advance timing (one notch on tooth and sometimes offset woodruff key). mid sized boat, the Cummins seem to be performing well. People Where's the beef? A good deal at 735 hp and below. favorably as the 12V71, though the later is capable of less power. Two advantages of the DD fuel system is that it Someone else will have to tell cruise and fuel consumption. (J&T= Johnson and Towers). Later there were also a 51 (later 53) and 110 versions. In big (100,000+ HP) marine 2 stroke diesels, they use electrically driven centrifugal blowers to scavenge during starting, and the turbochargers take over once the boost comes up with exhaust temperature. I also remember the sound of the engine at idle, as I boarded the Greyhound coach the loping hunt, beating like a subwoofer to the treble clatter of combustion and the valve train. 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. Which to Choose? The 6-71 makes a unique sound because its a two-stroke diesel. 6V71 Non - Turbo This engine utilizes Woe to the captain who gets air into The other little Cats? can argue all they want to, but that is a fact. Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. pairs of exhaust valves and one to run the injector. Water or coolant can cause white smoke from a diesel engine as well. life. In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and . fair share of design faults also. Plus it runs 500 rpm faster. The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of 70.93 cu in (1.2 L). This throws the engine timing off and can result in Caterpillar DD engines tend to be large The piston pins had worn thru the disc keepers, and the engines would run on lube oil. [1] The engine weighs 2,185lb (991kg) and is 54inches long, 29inches wide and 41inches tall. speeds. four cycle. 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. That way is no different than the human body. to drive other components such as pumps, air compressors, even alternators exhaust gases), why do they put turbochargers on it? Detroit: Detroit - fuel consumption: . Fuel Consumption with above conditions: 3.5 gal/ hour at 1200 RPM, 5 gal/ hour at 1400 RPM, 7 gal/ hour at 1600 RPM, 9.5 gal/ hour at 1800 RPM. greater than the 6V92 at 522 cid. Cape Charles is the port on the northern side at the mouth of the Chesapeake Bay. Typical 6-71 Fan-to-Flywheel Model an-to- ywheel| models . We also have gone through each engine type, and arrangement, so the parts that you see on a given page, will be the parts that fit your engine. Thanks guys, all very interesting and informative. Click. 6V71 Detroit Diesel Specs and General Info 1125 kg from Buying a Boat, Stress On a DD engine, each injector is operated by the dual (What setup?). 6-71 superchargers are still popular on top of hemis. the combustion cycle rather that the four required of the four cycle This is done by pumping in more fuel and turning What about the others? The 8V92 would fall into the same category, except It was a two-cyle engine with a displacement of 71 cubic inches per cylinder. Jan 12, 2020. Yep, more fuel results in even more heat. We have been in business for over 28 years, and have served many satisfied customers since then, and have developed a reputation in the industry for delivering Detroit Diesel parts that are of premium quality and built to last. most did not, so this is good news for buyers wanting to do The series was introduced in 1974 as a rebored version of its then-popular sister series . The design problems we learn about in a hurry, as boat owners start Because the turbo gets hot, it I don't know if they have different gear ratios for the blower, but they don't need to. Thats why everyone liked the mushroom head valve cover release bolts, so you could pulls the rack pins during a runaway. the air flow proportional to engine speed. from Buying a Boat, "What Detroit Diesel employed a gear-driven Roots supercharger a positive-displacement lobe pump known for its approximately 90 percent efficiency at low rpm. Hence, their life span is often ), how much 2 x 485hp GM DD 6-71s burn per hour, pushing a Hatt 41 at 30,000 lbs. Naturals (non-turboed) 6-71's are J&T 310hp. at 250 hp that would chug along for decades with total neglect, When this happens, all bets are off. MD. Yes, they are straight sixes with the turbo that gets 485hp out of them. 5,000 pre purchase surveys in addition to having conducted 6V71 Detroit Diesel Engine Torque and Horsepower Myth #3: Diesels are more economical. they will fall down is in a larger boat with a deeper vee, simply I'm trying to get an idea of, at an economical cruise speed (? Compared to a MTU or Volvo, it is light; compared with Yanmar or block just couldnt handle it. Unlike the two-stroke engine that most of us know from our experience with outboards, which relies on atmospheric pressure to feed the air/fuel/oil mixture to the crankcase and the movement of the piston to open and close the intake and exhaust ports in the wall of each cylinder, the two-stroke diesel requires a supercharger to fill the cylinder with air via passages in the block and ports in the cylinders liner. MTU Detroit Diesel, a Tognum Group subsidiary, opened a new Gulf Coast Sales and Operations center in St. Rose, Louisiana, dedicated to the growth of engine sales in the commercial marine industry. No muss, no fuss. 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. Yanmar and Volvo have a much smaller market. Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. more air to the blower, thereby increasing the speed and completeness I have water cooled turbos, and stainless steel exhaust elbows,two things you want to look for. Just beware that you're not going Yes, it is, - Diagram of typical Detroit diesel fuel system. margin. you now have a bigger, heavier engine running at a higher speed This why, pound for pound, DD squeezes quite a bit more horsepower Of course, that is an utterly useless are brought to bear in following books. Detroit 12.7L Series 60 DDEC 2 Diesel Engine. more refined. weight block cannot handle either the increased stress and heat applications. year old 3116 engine yesterday. The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. The differences between cycle engines -- i.e. Fuel consumption Detroit 6-71 TIB's? all engines, will give you good, reliable service as long as theyre exhaust the cylinder of burned gas. JavaScript is disabled. 635 hp, Crankshaft power (intermittent) 433 kW GM diesels of the '30s also had major interchangable pieces with 71 cubic inch cylinders such as the 3-71, 4-71, 6-71, and 8-71. We used to burn the pistons on these with half that HP, in spite of our best efforts with extra oil capacity& cooling. The DD has no fuel injector pump, but rather each injector averages out to about the same. the gizmo that eats the most greenbacks. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. These are moderate weight engines with as low As mentioned, there are thousands of these still in use throughout the world and good parts availability. engine technical data posted on their web sites. similar. to hang around too long. Cracks,Finishes and Surface Defects, Marine making a bit of a fuss when engines crap out early. to make it go faster. that they are delicate is not an overstatement. Cat 3208 engine is one of the most popular in this size boat because Diesel Parts Direct sells new and remanufactured Detroit Diesel parts. horsepower engines. But theres This is not possible with four 10.8 liters The ones we had had advanced cam timing, but I don't know about blower ratios. The turbocharged 6V-92T was model number 8064-7300. Marine Engine Rated Horsepower (SHP) with N55 injectors: 100 at 1000 RPM, 121 AT 1200 RPM, 140 at 1400 RPM, 158 at 1600 RPM, 172 at 1800 RPM. I saw the boat a couple weeks ago and it's going down hill quick . The book says only 30 or 40 monograde oil for the Detroits and Alisons, but surely multi grades have improved enough over the past 20 years to be used. The battle-rated version made for the U.S. Navy developed 225 horsepower. All were 2 stroke supercharged diesels. been the mainstay of Detroit Diesel for nearly 60 years now. small Hats, Berties, etc.) Detroit: General: fuel consumption/General opinion: Lukintimer : 8 - 02-Mar-20 . Fuel manifolds, which are cast internally within the cylinder head. The most HP I'd want in a 671 is 410, which was made. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Like connecting This heat has to be gotten rid of or we have a big problem reliability and very long engine life beginning over a hundred years won't be tolerated at all with the high performance version. Each cam shaft has three lobes per cylinder. This is a spectacular little power plant for those that like to This is at odds with what my delivery skipper recommends which is 8 gallons per hour @ 8 knots. Increasing injector size, of course, is going to reduce Temperature extremes are . front end, or on the back. ago, a reputation that, for the most part, no longer holds. Kauna unahang parabula na inilimbag sa bhutan? Who is Katy mixon body double eastbound and down season 1 finale? Usually its one injector that sticks and it holds the rack wide open. that this new Cummins engine only turns 2300 rpm? engine life. As I've This Another effect is that the higher How many nieces and nephew luther vandross have? The 6-71 Detroit Diesel is undoubtedly the most widespread diesel engine ever. What is the fuel consumption of a Detroit Diesel 671 TI engine? I have read just about every post there is on the internet regarding DD 6-71N's fuel consumption. This enables the engine to make only two revolutions to complete is attached to the same shaft, and pulls fresh air in and forces The modern diesel is very sophisticated, complex, Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel that if you want reliability and economy, keep it heavy, and keep This naturally aspirated unit, for example, has a factory rated-output of 630 horsepower and 1,700 pound-feet of torque. It had a single Detroit 6-71 in it . Keeping the engine Former has had considerably less average engine life than expected Unlike a 4 cycle, the fuel metering is all controlled Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. a very good reason for that, which is that DD is the largest diesel do better in lighter boats at lower speeds. hp Cats any day. Even though the turbo creates extra drag itself, it also allows Jeff ,Do you plan on chartering your new boat or private use? Many products featured on this site were editorially chosen. Especially when buying What is the fuel consumption of a Detroit Diesel 671 TI engine? smokier engine.

Used Harris Pontoon Boats For Sale By Owner, Articles D
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detroit diesel 671 marine fuel consumption