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The original M1070 is powered by a Detroit Diesel 8V-92TA 12.06-liter diesel engine with 500 hp at 2100 rpm and 1993 Nm torque at 1200 rpm. This is coupled to an Allison CLT-754 five-speed automatic transmission and Oshkosh 55000 two-speed transfer case. The M1070A1 is powered by a Caterpillar C-18 six-cylinder diesel with 700 hp.
A total of 2,488 A0 versions were delivered to the U.S. Army. [2] Following extensive use, some M1070s have been reset to the original build standard by Oshkosh. [2] The M1070E1 model was developed in the mid-1990s in conjunction with the U.S. Army as a possible Technology Insertion Program (TIP) for the M1070. No orders were placed. [2]
The following is a (partial) listing of vehicle model numbers or M-numbers assigned by the United States Army. Some of these designations are also used by other agencies, services, and nationalities, although these various end users usually assign their own nomenclature.
Transmission: Allison 4700SP 7-speed automatic and Oshkosh 35000 single-speed transfer case: Suspension: Oshkosh TAK-4 independent. [3] Front axles rated at 7,666 kg; rear axles rated at 10,478 kg: Fuel capacity: 628 litres
Pages in category "Oshkosh vehicles" The following 21 pages are in this category, out of 21 total. ... Oshkosh Alpha; Oshkosh M-ATV; Oshkosh M1070; Oshkosh MB-5;
The Heavy Expanded Mobility Tactical Truck (HEMTT) is an eight-wheel drive, diesel-powered, 10-short-ton (9,100 kg) tactical truck. [2] The M977 HEMTT first entered service in 1982 with the United States Army as a replacement for the M520 Goer, and since that date has remained in production for the U.S. Army and other nations.
By 1980 fewer soldiers knew how to shift manual transmissions and heavy-duty automatic transmissions had matured so the M809's manual was replaced with an Allison MT654CR 5-speed automatic. This is easier to drive, shifts better, and has less shock to the chassis than a manual transmission.
Total quantities including options were 11,491 trucks and 2,292 trailers, delivered between September 1999 and October 2004. Trucks were the improved A1 model, with improvements including an uprated engine (1998 EPA compliant) and transmission, and the introduction of ABS braking. In July 2000, the first A1 models were fielded . [3] [6]