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| - The Diamond T Tank Transporter was a heavy tank transporter, used in World War II and the following years. Designed as a heavy prime mover for tank transporting, the Diamond T 980 was the product of the Diamond T Company in Chicago. In 1940 the British Purchasing Commission, looking to equip the British Army with a vehicle capable of transporting larger and heavier tanks, approached a number of American truck manufacturers to assess their models. The Diamond T Company had a long history of building rugged, military vehicles for the U.S. Army Quartermaster Corps and had recently produced a prototype heavy vehicle for the US Army which, with a few slight modifications met British requirements and an initial order for 200 was very quickly filled.
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abstract
| - The Diamond T Tank Transporter was a heavy tank transporter, used in World War II and the following years. Designed as a heavy prime mover for tank transporting, the Diamond T 980 was the product of the Diamond T Company in Chicago. In 1940 the British Purchasing Commission, looking to equip the British Army with a vehicle capable of transporting larger and heavier tanks, approached a number of American truck manufacturers to assess their models. The Diamond T Company had a long history of building rugged, military vehicles for the U.S. Army Quartermaster Corps and had recently produced a prototype heavy vehicle for the US Army which, with a few slight modifications met British requirements and an initial order for 200 was very quickly filled. The result was the Diamond T 980, a 12-ton hard-cab 6x4 vehicle which proved to be one of the most successful and memorable in its class.[citation needed] Powered by an Hercules DXFE OHV inline six diesel engine developing , or the Hall-Scott 440 OHV inline-six gasoline engine (the largest gasoline engine in any WW2 military truck) of , and geared very low, it could pull a trailer load of up to , and proved capable of the task of moving the heaviest tanks then in service. It had a four-speed manual constant-mesh transmission plus a similar three-speed auxiliary gearbox, for a total of twelve forward and three reverse speeds, and airbrakes. The electrics were 24-volt. Top speed was , and with fuel, maximum range was . Wheelbase was , length , track , and height . Steering was manual, with no power assist. A winch of capacity, chain driven off the auxiliary transmission and intended mainly for hauling damaged tanks aboard trailers, was mounted behind the cab. The 981 was the same chassis with open and/or closed cab and cargo box the winch could be used through the front and rear and was 200' longer. Both the 980 and 981 used a cab design similar to the 4-ton truck.
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