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A 6-71 Gray Marine training engine aboard the Training Ship Golden Bear. The 6-71 Gray Marine Diesel Engine is a marinized version of the General Motors Detroit Diesel 6-71 engine produced by the Gray Marine Motor Company. It was used in landing craft during World War II and is used today in private boats and training facilities.
The inline six-cylinder 71 series engine was introduced as the initial flagship product of the Detroit Diesel Engine Division of General Motors in 1938.. This engine was in high demand during WWII, necessitating a dramatic increase in output: about 57,000 6-71s were used on American landing craft, including 19,000 on LCVPs, about 8,000 on LCM Mk 3, and about 9,000 in quads on LCIs; and 39,000 ...
The GM Diesel/Detroit Diesel model 6051 Quad power pack consists of four inline 2-stroke diesel 6-71 engines mounted to one gearbox, usually with one shaft coming out of the power unit. The power units were fitted on landing craft and ships during World War II , ships including LCI(L) , [ 1 ] Prab (741) and Nahka (751) were fitted with two of ...
Detroit Diesel Series 50; Detroit Diesel Series 53; Detroit Diesel Series 60; Detroit Diesel Series 71; Gray Marine 6-71 Diesel Engine; Detroit Diesel Series 92; Detroit Diesel 110; Detroit Diesel Series 149; Detroit diesel 6051 quad-71
Gray Marine engine preserved at Arromanches-les-Bains, Normandy Esmeralda II, 1947, first power boat through the Grand Canyon. Gray Marine Motor Company was a U.S. manufacturer of marine engines between 1910 and 1967. These ranged from one to six cylinders in both gas and later diesel layouts, which were used in pleasure boats, work boats, and ...
During the mid-1990s, the Army LCM-8 received a life of type extension with a re-engine program. The original twin-pac 6-71 two-stroke Detroit Diesel engines and Allison mechanical transmissions were replaced with 8v-92 Silver Series Detroit Diesel engines and Allison Hydraulic Transmissions thus extending the life of the craft for another 20 ...
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
The research and development efforts in the mid-1930s branched into engines for locomotive and marine and stationary (Models 268 and 268A) use, produced under Winton's successor, the GM Cleveland Diesel Engine Division, and smaller diesel engines suited for road vehicles, introduced by GM's Detroit Diesel division in 1938.