Detroit diesel 12v71 fuel consumption ENGINES – 12V71TIs (N90 Injectors produce 690 BHP @2,300 RPM, 660 SHP; Twin Disk Transmissions (514 with 2:1 Ratio). Proper maintenance of injectors not only extends their life but also helps maintain the engine’s power output, fuel efficiency, and emissions compliance. The Detroit Diesel 12V71 engine is known for its unique features, which have made it a preferred choice for marine operators: Two-Stroke Cycle. That will save you a ton of money and extend your range considerably. 2 L). but here goes- The deal is, if you run these diesels at the ideal cruise speed/rpm you Diesel Parts Direct sells new and remanufactured Detroit Diesel parts. The following is not a 12V71 specific question. This guide provides detailed recommendations for maintenance practices, safety Helpful tips for Detroit Diesel 12V71 turbo engines. 12V71 Generator Set; 12V71 Power Unit; 12V71N Dec 18, 2024 · The Detroit Diesel V71 Series engines—6V71, 8V71, 12V71, and 16V71—are synonymous with durability, efficiency, and adaptability. Any restriction in the air intake system can disrupt this balance, leading to reduced engine performance and potential … I have seen plenty of round bottom vessels with rolling chocks installed. . could apply to 8V92's and many others as well. Fuel consumption, power Oct 9, 2024 · Engine Specs For The Detroit Diesel 12V71 Marine Engine (Turbo & Non Turbo) The Detroit Diesel 12V71 is a member of the Detroit Diesel 71 Series of two-stroke diesel engines, renowned for its power output, reliability, and versatility in various marine applications. Dec 18, 2024 · Fuel injectors play a critical role in ensuring efficient combustion and optimal performance in Detroit Diesel V71 engines. Tips to troubleshoot Detroit Diesel engines 12V71. With 12 cylinders arranged in a V-configuration, the 12V71 has been widely used … Dec 26, 2017 · Hello I am going to buy a bertram 65 with two engines GM DETROIT DIESEL 12V71 TI I have no information about engines I would like to know the realistic consumption of diesel? Apr 4, 2022 · fuel consumption: xort: Monohull Sailboats: 54: 19-05-2019 02:47: detroit fuel use: Capt Allan: Engines and Propulsion Systems: 10: 06-07-2013 08:36: Fuel Consumption and Fuel Economy: Seif: Powered Boats: 11: 18-10-2012 09:35: using hydrogen fuel cell to improve gas consumption: phorvati: Engines and Propulsion Systems: 53: 03-03-2009 11:31 If you have a 12v71 Detroit Diesel engine, we have the parts. I am looking for recommended TBOH and fuel consumption for cruise and max RPM respectively. Oct 9, 2009 · Does any one have any idea what the fuel consumption of 12-71Ns are? for a 73' Broward motryacht thanks dan According to the owner's manual supplied by Hatteras, the 58TC has a capacity of 850 usable gallons. Shop here for Detroit Diesel 12v71 marine engine parts & specs! Fuel consumption, power-propeller . Designed to power everything from marine vessels to industrial equipment, these engines have become a trusted solution in some of the world’s most demanding environments. It takes the prop hp curve above and applies the fuel consumption measured by the manufacturer at each rpm and load, so it is partially theoretical (the prop load) and partially real world empirical (the fuel consumption at that rpm and load). The size of your injectors will also determine your fuel economy. This 16-cylinder, V-block engine has been a staple in the marine industry for decades, powering a variety of large vessels, … Oct 9, 2024 · Key Features of the Detroit Diesel 12V71. Prompt identification and repair of fuel leaks are critical for maintaining engine efficiency, preventing environmental damage, and ensuring safe operation. 687. 0539. Faulty injectors may over-deliver fuel, reducing overall efficiency. Like other engines in the Detroit Diesel lineup, the 12V71 uses a two-stroke cycle. They seem to run well. Straight from Detroit Diesel. These iconic engines—6V71, 8V71, 12V71, and 16V71—have earned their place as industry benchmarks, but even the most robust machines require careful attention. The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of 70. I have asked local DD Marine shop and their charts don't exactly match the specs I have been given. If you can live with high emissions, low efficiency and smoke, then mechanical diesel will work for you. The truck market is what determines the sucess of an engine in this size category and Detroit couldn't keep coolant from leaking around the counterbores of the 8V-92 from day one. If you're the adventurous type, remove a prop and run on one engine. Discover useful insights and advice with Diesel Pro. 888. THIS RATING does not include power require­ ments for accessory and standard equipment. Which Detroit Diesel parts to inspect and more. Aug 5, 2010 · Any one have info on HP, Torque, and fuel consumption for these engines. 3 statute mpg. Jul 29, 2008 · According to owner & broker, these are 825 HP ea High Performance versions as originally offered. Below is a comprehensive guide to injector maintenance for these engines. They are original to 1978 boat and have approx. Importance of Injector … Dec 11, 2024 · Accurate reference data and charts are critical for maintaining, repairing, and troubleshooting Detroit Diesel 92 Series engines. Fuel consumption, power-propeller load: Ranges from 11 May 7, 2023 · The Boating Forum - detroit diesel 12v71 naturally aspirated engine - I'm looking for some knowledge on Twin Detroit Diesel 475 Hp 12v71 naturally aspirated engines. Oct 24, 2024 · Detroit Diesel 16V71 Engine Specs The Detroit Diesel 16V71 marine engine is part of the iconic Detroit Diesel 71 Series, renowned for its robust design, high power output, and dependable performance in demanding marine environments. 1. Menu. These specifications ensure that bolts, nuts, and studs are tightened to the … If you have a 12v71 Detroit Diesel engine, we have the parts. Are there specifics to be looking for? I'd be getting a mechanical Oct 24, 2024 · Torque Specs & Wear Limits For Detroit Diesel 671 Inline Engines (271, 371, 471, 671) Explanation of Torque Specifications for Bolts, Nuts, and Studs to Ensure Proper Assembly Torque specifications are vital for the correct assembly of the Detroit Diesel Series 71 engine. POWER OUTPUT guaranteed within 5% at standard ambient conditions. In this design, each cylinder fires once per crankshaft revolution, allowing Jun 30, 2022 · Fuel and Air Systems for Detroit Diesel 6V71, 8V71, 12V71, and 16V71 Engines Best Practices for Cylinder Head Maintenance for Detroit Diesel V71 Engines (6V71, 8V71, 12V71, 16V71) Step-by-Step Cylinder Head Removal, Inspection, Cleaning, and Reassembly Dec 18, 2024 · Introduction to Air Intake System The air intake system is critical for the optimal operation of Detroit Diesel V71 engines. This guide delves into the details of the fuel injection system, air intake design, maintenance protocols for injectors, governors, and blowers, as well as troubleshooting common issues such as fuel leaks … FUEL CONSUMPTION CURVE shows fuel used in pounds per brake horsepower hour. These tools ensure accuracy and efficiency in all maintenance and repair activities Dec 18, 2024 · Proper maintenance and operation are essential for maximizing the performance, reliability, and longevity of Detroit Diesel V71 Series engines. V 71 Series engine pdf manual download. 7000 hours. Shop here for Detroit Diesel 12v71 marine engine parts & specs! Fuel consumption, power-propeller Feb 17, 2017 · Does anyone have a fuel burn chart or graph for the DD 12V71 Ti series engines installed in a late 80"s Viking 63 Motor yacht? documents/detroit-diesel-specs Dec 18, 2024 · The fuel and air systems of the Detroit Diesel 6V71, 8V71, 12V71, and 16V71 engines are integral to their efficient operation and long-term reliability. View and Download Detroit Diesel V 71 Series operator's manual online. I would like to know an approx figure on consumption for a Bertram 58, 2x detroit 12v71, cruising at say 8 knots inland Apr 13, 2021 · If you want fuel efficiency electronic controls are the answer. 93 cu in (1. Dec 18, 2024 · Increased Fuel Consumption. Find what you need in seconds. In this comprehensive overview, we’ll explore the innovative two-stroke diesel engine Dec 22, 2021 · The fifth or bottom curve is what you want to use to estimate fuel consumption at cruise on your boat. It ensures the delivery of clean air to the cylinders, enabling efficient combustion and maximizing power output. This section compiles essential specifications, diagnostic codes, conversion tables, and troubleshooting resources into a comprehensive guide for technicians and operators. For complete engine specifications for your particular requirements, see your distributor Jan 1, 2008 · Consequently it was much more durable. 1,400 rpm will get you about 9mph depending on conditions and net you about 1. Fuel and Air Systems for Detroit Diesel 6V71, 8V71, 12V71, and Dec 18, 2024 · Fuel leaks in Detroit Diesel V71 engines can lead to performance issues, safety hazards, and increased fuel costs. Also according to owner/broker, they have M85 injectors. Most of the diesel engineers and mechanics that I have discussed the whole RPM for longevity of the engine versus fuel economy, come in at about 1500 rpm as the optimum setting. Below is a comprehensive guide to identifying, diagnosing, and resolving fuel leaks on V71 engines. Symptoms … Dec 15, 2000 · 1993 vintage, on a 64' MY about 860 hp each (the 12V71 was apparently available up to over 1,000 hp each). The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. Detroit never seemed to get the 92 series quite right,the 8V-92 is the engine that almost single-handedly put them out of business. Search. 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