T30 heavy tank

Heavy Tank T30
TypeHeavy tank
Place of originUnited States
Service history
In serviceApril 1945 - 1950
Used byUnited States Army
Production history
Designed1944–1947
ManufacturerPressed Steel Car Company
Detroit Arsenal
ProducedSeptember 1944 - 1947
No. built6
VariantsT30E1
Specifications
Mass167,110 lb (75.80 t) combat loaded[1]
Length35.76 ft (10.90 m) gun forward
25 ft (7.6 m) gun aft
Width12.46 ft (3.80 m) over sand shields
Height10.49 ft (3.20 m) over cupola
Crew6 (commander, gunner, driver, radio operator, 2 x loader)[2]

Armorhull front 102 mm (4.0 in) @ 55° (163mm)
gun shield 279 mm (11.0 in) @ 2°
turret front 303 mm (11.9 in) @ 43°[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
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)
Engine1,791.7 cu in (29.361 L) Continental AV1790-5A air-cooled
810 hp (600 kW) net at 2400 rpm
Power/weight10.68 hp/t (7.96 kW/t)
TransmissionGeneral Motors CD-850-1 crossdrive, three speeds (two forward, one reverse)
Suspensiontorsion-bar
Ground clearance18.8 in (48 cm)
Fuel capacity350 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 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.

  1. ^ (Hunnicutt 1988, p. 208)
  2. ^ (Hunnicutt 1988, p. 197)
  3. ^ Hunnicutt 2015, p. 306.
  4. ^ (Hunnicutt 1988, p. 197)