T20 Medium Tank
This was to be a replacement for the M4 Medium and a mock-up was approved by the Ordnance Department in September 1942.1 Three prototypes were ordered, and each had a different turret and gun.1
Never used overseas.1
T20:
76 mm gun.1
T20E1:
75 mm gun.1 HVSS suspension.1
T20E2:
77 mm gun.1 Torsion bar suspension.1
T20E3:
76 mm gun.1
T22:
Built by Chrysler.1
| T20 | T20E3 | T22 | |
|---|---|---|---|
| Crew | Commander, driver, co-driver, gunner, loader.2 51,2,3 |
Commander, driver, co-driver, gunner, loader.2 52,3 |
53 |
| Physical Characteristics | |||
| Weight | 65,758 lb2,3 30.13 tons1 30,616 kg1 |
67,500 lb2,3 | 69,000 lb3 |
| Length w/gun | 18' 10"1,3 5.5 m1 |
18' 10"3 | 20' 0.25"3 |
| Length w/o gun | 18' 10"2 | 18' 10"2 | |
| Height | 8'1,2,3 2.4 m1 |
8'2,3 | 7' 9"3 |
| Width | 9' 10"2,3 | 9' 10"2,3 | 9' 10"3 |
| Ground clearance | |||
| Ground contact length | |||
| Ground pressure | |||
| Turret ring diameter | |||
| Armament | |||
| Main | 76 mm M11,2,3 | 76 mm M12,3 | 76 mm3 |
| Secondary | |||
| MG | 3: MG3 2: 7.62 mm (.30 cal) MG1 12.7 mm (.50 cal) MG1 2: .30 cal Browning MG2 .50 cal Browning MG AA2 |
3: MG3 2: .30 cal Browning MG2 .50 cal Browning MG AA2 |
3: MG3 |
| Side arms | |||
| Quantity | |||
| Main | 702 | 702 | |
| Secondary | |||
| MG | 6,0002 | 6,0002 | |
| Side arms | |||
| Armor Thickness (mm) | 641 122, 622 1.5" - 2.5"3 |
122, 622 1.5" - 2.5"3 |
1.5" - 2.5"3 |
| Hull Front, Upper | |||
| Hull Front, Lower | |||
| Hull Sides, Upper | |||
| Hull Sides, Lower | |||
| Hull Rear | |||
| Hull Top | |||
| Hull Bottom | |||
| Turret Front | |||
| Turret Sides | |||
| Turret Rear | |||
| Turret Top | |||
| Engine (Make / Model) | Ford GAN V-81,2,3, water cooled3 | Ford GAN V-82,3, water cooled3 | Ford GAN V-83, water cooled3 |
| Net HP | 4701,2,3 | 4702,3 | 4703 |
| Transmission | Hydramatic | ||
| Capacity | |||
| Performance | |||
| Traverse | 360°2 | 360°2 | |
| Max Speed | 25 mph1,2,3 40 kph1 |
35 mph2,3 | 25 mph3 |
| Cross Country | |||
| Road radius | 100 miles1,2 161 km1 |
100 miles2 | |
| Turning Radius | |||
| Elevation Limits | -10° to +25°2 | -10° to +25°2 | |
| Fording depth | 4' 8"2 | 4' 8"2 | |
| Trench crossing | |||
| Vertical Obstacle | |||
| Suspension (Type) | HVSS2 | Torsion bar.2 | |
| Wheels each side | |||
| Return rollers each side | |||
| Track length | |||
| Tires | |||
| Track width | 16.5"2 | 18"2 | |
| Track centers/tread | |||
| Production | T20: 31 T22: 11 |
Sources:
- The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
- British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
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