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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.
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 600–800 series had a Ford 330, 361, or 389 V8 standard, 700–900 had a 477 or 534 V8 optional. The 900 series had a 401 V8 standard. In 1979, the 361 or 389 V8 was replaced by a 370, and the 401 V8 was replaced by a 429; the 477 or 534 V8 remained as options. Detroit 6-71, 6-92, 8-71, and 8-92 engines were options, also.
The base engine was the Detroit Diesel 6-71N, with the Detroit 8V71 and Cummins N-Series diesel engines as options. [4] In 1972, the Detroit 12V71 became available as an option; though rarely ordered, the V12 engine would remain through 1978. [ 4 ]
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 initial standard engine for the 4270 was a 260hp Detroit Diesel 8V71 V8; the 4370 was fitted with a 230hp Cummins NH inline-6 as standard. At its launch, the 4370 was able to be fitted with a 434hp Detroit Diesel 12V71 V12. [ 1 ]
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.
Detroit Diesel 8V71 568 cu in (9.3 L) V8 Diesel Used in Crown motorcoaches; not used for school buses Detroit Diesel 6V92: 552 cu in (9.0 L) V6 Methanol Diesel 1989–1991 Rear-engine Supercoach Series II, bus body designed for use of engine Most methanol-fuel buses converted to diesel. Detroit Diesel 8V92 736 cu in (12.1 L) V8 Diesel