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The M39 series were originally powered by a Continental R6602 engine, a 602 cu in (9.9 L) overhead valve inline 6 cylinder gasoline engine developing 224 hp (167 kW) at 2800 rpm. The -A1 upgrade had a Mack ENDT-673, a 673 cu in (11.0 L) turbocharged inline 6 cylinder diesel engine developing 210 hp (160 kW) at 2100 rpm. The -A2 upgrade had a ...
Standardized as the M809 series, the primary difference was the engine. The hood, frame, and fenders were lengthened to make room for the larger engine, and it had a redesigned grille. All had an air cleaner on the left front fender, a quick visual way to tell them from the earlier M39 series. Jeep/AM General built all M809s between 1969 and 1982.
This was the standard engine of the M809 series. The M939A2 models use a newer and smaller Cummins 6CTA8.3 504 cubic inches (8.3 L) turbocharged inline 6 cylinder diesel engine developing 240 horsepower (180 kW) at 2100 rpm and 745 pound force-feet (1,010 N⋅m) torque at 1,500 rpm. [4] [9] [10]
The primary difference was the engine and transmission. The hood and grille were lengthened to make room for the larger engine and the lighting system was updated to meet new US safety regulations. All had an air cleaner on the left fender, a way to tell them from the earlier M39 series. AM General built all M809s between 1970 and 1982.
Gasoline engines up to WWII were often valve in block design (L-head), during the war more overhead valve (ohv) engines were used, and after the war all new engines (except 1 F-head and 1 Overhead camshaft (ohc)) have been ohv. All diesel engines have ohv, they can be naturally aspired, supercharged (SC), or turbocharged (TC).
For non-sequential numbers, like M1 Abrams, see bottom of list. M1 combat car, also known as the M1 light tank; M1 light motorcycle; M2 light tank, .5" MG or 37 mm gun, 11-ton
The M39 missiles—produced from 1990 to 1997—are less accurate (no GPS guidance) and have shorter range (103 miles) than later models of ATACMS missiles, and all are technically expired ...
The M35 series was used by the United States in Iraq during Operation Iraqi Freedom. M35 series vehicles were known to be in use by National Guard units as late as the mid-2000s. In order to replace its 1950s vintage M135 fleet, the Canadian Army adopted licensed versions of the M35 (and M36 variant) built in Canada by Bombardier in 1982. As of ...