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The Detroit Diesel 149 is a series of two-stroke diesel engines manufactured by Detroit Diesel which were first announced in early 1966. After Detroit Diesel was spun off in 1988 and later acquired by MTU, production of Series 149 engines was discontinued around 2000. [9] [10]
In the United States, V12 versions of the 1938–1995 Detroit Diesel Series 71, the 1967–1999 Detroit Diesel Series 149 and the 1974–1995 Detroit Diesel Series 92 were produced. In Japan, Isuzu produced naturally aspirated V12 diesel engines from 14.0 to 22.0 L (854 to 1,343 cu in) in 1976–2000, for their heavy duty trucks: New Power, 810 ...
The ancestor of Detroit Diesel was the Winton Engine Company, founded by Alexander Winton in 1912; Winton Engine began producing diesel engines in fall 1913. After Charles F. Kettering purchased two Winton diesels for his yacht, General Motors acquired the company in 1930 along with Electro Motive Company, Winton's primary client.
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 12V-53 is a low-production / prototype engine consisting of two coupled 6V-53 engines; fewer than 20 were estimated to have been built, mostly for marine service in generator sets. One of the 6V-53 engines was a left-hand rotation and the other was right-hand rotation; they were coupled at their flywheels. [9]
She was 117.5 feet (35.8 m) long, with a beam of 24.7 feet (7.5 m), and a draft of 6.75 feet (2.06 m). Her full-load displacement was 133 tons. She was capable of reaching 30 knots driven by four propellers, each powered by a Detroit Diesel 16V92 MTA engine. She was transferred to the Navy in 1996 and assigned to Port Hueneme, California. [16 ...
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 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.