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T30 Heavy Tank

T30 Heavy Tank
Weapon information
Place of originUnited States
Production history
Weight68.7 metric tons (T30)
(145,000 lbs)
59.9 metric tons (T58)
(132,000 lbs)
Length11.57 m (with the gun) (T30)
10.82 m (with the gun) (T58)
Width3.80 m (T30)
3.63 m (T58)
Height3.20 m (T30)
3.17 m (T58)
Crew6 (T30)
4 (T58)
Armor280 mm (maximum) (T30)
127 mm (maximum) (T58)
155 mm T7 gun L/40
(34 rounds)
155 mm T7E1 gun L/40
155 mm T180 rifled gun L/40
(32 rounds)
coaxially M2 HB .50 cal and M1919A4 .30 cal bow-mounted
EngineContinental AV1790-3 aircooled
Engine Power704 hp (net) (T30)
810 hp (T58)
Power/weight10 hp/tonne
Speed26.5 km/h (16.5 mph) (T30)
35.2 km/h (21.9 mph) (T58)

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The T30 Heavy Tank was a World War II American tank project developed to counter new German tanks. The T30 was designed at same time as the T29 Heavy Tank. Pilot models were started in April 1945 and were delivered in 1947. The 155 mm gun fired two-piece (shell and charge) ammunition. The loader was helped by a powered rammer. The T30 had fitted on it one of the largest guns ever put on an American tank. The turret with its rounded edges gave it a unusually high profile (but necessary). It would carry 34 of either AP (Armored Piercing) or HE (high-explosive) but it could carry a mix of both.

A variant designated T30E1 had an additional hatch at the back of the turret for ejecting the shell casings. Another variant of the tank was the T30E2. The weight of the T30 shell was 43 kg and the charge 18 kg, a total of 61 kg for the whole ammunition, which made it difficult to handle.

A post-war era variant designated T58 had the conventional turret replaced with an oscillating version that allowed the fitting of an automated loader.

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American armored fighting vehicles of World War II

Light tanksM1 Combat Car * M2 Light Tank * M3/M5 Light Tank * M22 Light Tank * M24 Light Tank * Marmon-Herrington CTLS
Medium / heavy tanksM2 Medium Tank * M3 Medium Tank * M4 Medium Tank * M26 Heavy Tank
Self-propelled artilleryM7 Howitzer Motor Carriage * M8 HMC * M12 Gun Motor Carriage * M40 Gun Motor Carriage * M3 Gun Motor Carriage * M15 Combination Gun Motor Carriage * M16 Multiple Gun Motor Carriage * T34 Rocket Launcher
Tank destroyersM3 Gun Motor Carriage * M6 Gun Motor Carriage * M10 3-inch Gun Motor Carriage * M18 Gun Motor Carriage * M36 Gun Motor Carriage
Armored half-tracksM2 Half Track Car * M3/M5 Half Track Personnel Carrier * M4 Mortar Carrier * T30 Half Track
Amphibious vehiclesLanding Vehicle Tracked * DUKW * Ford GPA * M29C Weasel
Armored carsM8 Light Armored Car * M3 Scout Car 'White' * M20 Armored Utility Car * T17 Armored Car * T18 Armored Car
Experimental vehiclesM38 Wolfhound * T1/M6 Heavy Tank * T-28 Tank/T-95 GMC * Assault Tank T14 * Heavy Tank T29 * Heavy Tank T30 * Medium Tank T20 * T-16 * T-3 Half Track * T27 Armored Car
T54 Gun Motor Carriage * T40/M9 Tank Destroyer * T-19 * 8in Howitzer Motor Carriage T84 * T92 Howitzer Motor Carriage * T55E1 Motor Carriage * Light Tank T7/Medium Tank M7 * T88 Gun Motor Carriage

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