T30 heavy tank

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Heavy Tank T30
T30 Heavy Tank in U.S. Army Armor & Cavalry Collection, Fort Benning, in 2022
Type	Heavy tank
Place of origin	United States
Service history
In service	Trials only
Used by	United States Army
Production history
Designed	1944–1947
Manufacturer	Pressed Steel Car Company Detroit Arsenal
Produced	1945-1947
No. built	6
Variants	T30E1
Specifications
Mass	193,000 lb (88 t) combat loaded[1]
Length	44 ft 3 in (13.49 m) gun forward 32 ft 10 in (10.01 m) gun aft
Width	12 ft 5.6 in (3.800 m) over sand shields
Height	10 ft 7 in (3.23 m) over cupola
Crew	6 (commander, gunner, driver, radio operator, 2 x loader)[2]
Armor	hull front 228 mm (9.0 in) maximum gun shield 279 mm (11.0 in) maximum turret front 303 mm (11.9 in)[3]
Main armament	155mm T7 L/40 rifled gun (34 rounds) (T30) 155mm T7E1 L/40 rifled gun autoloader (34 rounds) (T30E1)
Secondary armament	2 x .50 in (12.7mm) M2HB AA (1,500 rounds), coaxial & pintle-mounted 1 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	12.52 hp/t (9.34 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	27 mph (43 km/h) (on road) 22 mph (35 km/h) (off-road)

The Heavy Tank T30 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.