T30 heavy tank
| 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 | 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 | 165,000 lb (75 t) combat loaded |
| 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) |
| Armor | hull front 102 mm (4.0 in) @ 54°=174 mm (6.9 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) |
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 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.