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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.
Featuring a larger and wider cab, the CO-4000 was distinguished by a large trapezoidal grille, a design feature that would be used on International cabovers into the late 1990s. For 1968, the CO-4000 was given an update, with the standard engine becoming the turbocharged IHC DVT573 diesel V8 with optional diesel Cummins and Detroit Diesel engines.
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.
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
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 Mack R series (also known as the Mack Model R) is a series of trucks that was manufactured by Mack Trucks from 1966 to 2005. The successor of the Mack B series, [2] the R was a heavy-duty truck (Class 8) with a conventional (bonneted) cab configuration.
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 ]