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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 ...
Production of Series 149 engines was phased out by mid-1999 [15] and MTU Friedrichshafen's 4000 series of four-stroke diesel engines was proposed as helping to fill the void left by the cessation of the 149 Series production. [16] Detroit Diesel and MTU jointly developed the 2000 and 4000 series, with Detroit Diesel leading development of the ...
The Series 92 engines were introduced in 1974. [8] Compared to the Series 71 engines they were derived from, the Series 92 featured a larger bore of 4.84025 ± 0.00125 in (122.942 ± 0.032 mm) and an identical stroke of 5 in (130 mm) for a nominal displacement per cylinder of 92 cu in (1,510 cc), from which the Series 92 derives its name.
In 1939, Detroit Diesel Series 71 engines were installed in buses produced by Yellow Coach, [4] who would be acquired by GM in 1943 to launch the GMC Truck and Coach Division. Uses for Detroit Diesel engines would proliferate during World War II and the postwar economic boom.
The 6-71 is an inline six cylinder diesel engine. [1] The 71 refers to the displacement in cubic inches of each cylinder. [1] The firing order of the engine is 1-5-3-6-2-4. [1] The engine's compression ratio is 18.7:1 with a 4.250 inch bore and a 5.00 inch stroke. [1]
Series 452-C — 143 and 149 in wheelbase V16; 1934 Cadillac Series 10, 20, 30 and 452-D Fisher Fleetwood Series 10 — 128 in wheelbase V8; Series 20 — 136 in wheelbase V8; Series 30 — 146 in wheelbase V8; Series 355-D; Series 370-D — 146 in wheelbase V12; Series 452-D — 154 in wheelbase V16; 1935 Cadillac Series 10, 20, 30 and 452-D ...
He moved to Detroit in 1936, and was a central figure in the development of the 567 and the Detroit Diesel 6-71. He moved to EMD in 1938, became chief engineer at EMD in 1948, then division director in 1956 and subsequently research assistant to the general manager in 1958 until his retirement in 1960. [2] The 567 was released in 1938. [3]
Virtually all New Look buses were powered by Detroit Diesel Series 71 two-cycle diesel engines. The original engine was the 6V71 . GM buses used a unique "Angle-drive" configuration with a transverse mounted engine. The transmission angled off at a 45-or-so degree angle to connect to the rear axle.