T30 heavy tank

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Heavy Tank T30
T30 Heavy Tank in U.S. Army Armor & Cavalry Collection, Fort Moore, in 2022
Type	Heavy tank
Place of origin	United States
Service history
In service	April 1945 - 1950
Used by	United States
Production history
Designed	1944–1947
Manufacturer	Pressed Steel Car Company Detroit Arsenal
Produced	September 1944 - 1947
No. built	6
Variants	T30E1
Specifications
Mass	159,835 lb (72.500 t) combat loaded[1]
Length	35.76 ft (10.90 m) gun forward 25 ft (7.6 m) gun aft
Width	12.46 ft (3.80 m) over sand shields
Height	10.49 ft (3.20 m) over cupola
Crew	6 (commander, gunner, driver, radio operator, 2 x loader)[2]
Armor	hull front 102 mm (4.0 in) @ 54°=228 mm (9.0 in) Side 76 mm (3.0 in) Rear 51 mm (2.0 in) turret front 203–305 mm (8.0–12.0 in) Side 158 mm (6.2 in) Rear 102 mm (4.0 in)[4]
Main armament	155mm T7 L/40 rifled gun 41.4 Caliber (34 rounds) (T30) 155mm T7E1 L/40 rifled gun 41.4 Caliber autoloader (34 rounds) (T30E1)
Secondary armament	1 x .50 in (12.7mm) M2HB (1,500 rounds) 2 x .30 in (7.6 mm) Browning M1919A4, bow & coaxial (2,500 rounds)
Engine	1,791.7 cu in (29.361 L) Continental AV1790-5A air-cooled 810 hp (600 kW) net at 2400 rpm
Power/weight	10.68 hp/t (7.96 kW/t)
Transmission	General Motors CD-850-1 crossdrive, three speeds (two forward, one reverse)
Suspension	torsion-bar
Ground clearance	18.8 in (48 cm)
Fuel capacity	350 US gal (290 imp gal; 1,300 L)
Operational range	160 mi (260 km)
Maximum speed	25 mph (40 km/h) (on road) 22 mph (35 km/h) (off-road)

The Heavy Tank T30 (Informal designated The Tiger Killer) was a World War II American tank project developed to counter new German tanks, such as Tiger I, Tiger II, and tank destroyers, such as the Jagdtiger, or Soviet heavy tanks, such as IS-2 or IS-3. The T30 was designed at the same time as the T29 Heavy Tank.