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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 ...
General Motors Diesel engine div., Models 6051 quad and 2003 2 cylinder series 71 unit. Operators' Handbook Jan. 1943 rev. Apr. 24, 1944; Operators' Hand Book Supplementing the Operating and Maintenance Manual, Revised Edition Restricted, Models 6051 Quad 6-Cylinder and 2003 2-Cylinder, Series 71 Diesel Units 1944 General Motors Diesel Engine Div.
The engine's compression ratio is 18.7:1 with a 4.250 inch bore and a 5.00 inch stroke. [1] The engine weighs 2,185 lb (991 kg) and is 54 inches long, 29 inches wide and 41 inches tall. [1] At 2,100 revolutions per minute the engine is capable of producing 230 horse power (172 kilowatts). [1] V-type versions of the 71 series were developed in 1957.
In 1962 GM's Electro-Motive Division (EMD), which had its own marketing and service infrastructure from its years in the locomotive business, took over the production and marketing of large diesel engines formerly produced by the Cleveland Diesel Engine Division. [2] In 1965 GMDD was absorbed by the General Motors Detroit Diesel Engine Division ...
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.
The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro ...
Download as PDF; Printable version; In other projects ... Detroit Diesel Series 71; Gray Marine 6-71 Diesel Engine; ... Detroit Diesel Series 149; Detroit diesel 6051 ...
The same basic considerations are employed (the GM/EMD 567 and the GM/Detroit Diesel 6-71 engines were designed and developed at the same time, and by the same team of engineers and engineering managers). Whereas all EMD and Detroit Diesel two-stroke engines employ forced induction, only some EMD engines employ a turbo-compressor system.