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Holt Gas-Electric Tank | |
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Place of origin | ![]() |
Specifications | |
Mass | 25.4 t (25.0 long tons; 28.0 short tons) |
Length | 5.03 m (16 ft 6 in) |
Width | 2.76 m (9 ft 1 in) |
Height | 2.37 m (7 ft 9 in) |
Crew | 6 |
Armor | 6–15 mm |
Main armament | 75 mm Vickers mountain howitzer |
Secondary armament | two 7.62 mm (0.300 in) M1917 Browning machine guns |
Engine | 4-cylinder Holt gasoline 90 hp (67 kW) |
Power/weight | 3.5 hp/tonne |
Transmission | G.E.C. generator powering one electric motor per track |
Suspension | vertical coil springs |
Operational range | 50 km (31 mi) |
Maximum speed | 10 km/h (6.2 mph) |
The Holt Gas-Electric Tank was the first prototype tank built in the United States[1] in a collaboration between the Holt Manufacturing Company (now Caterpillar Inc.) and the General Electric Company. The tank, built during 1917-1918, was the only one of its kind built, as testing proved it lacked the agility and maneuverability required.[2] The crew number is often given as six, on the assumption there would be two machine gunners, a gunner and loader for the main gun, a driver and a commander.