M2 Medium Tank:
The T5 Medium was successfully tested at the Aberdeen Proving Grounds, and it was then designated the M2 Medium.
Had an octagonal turret with a 37 mm gun and there were 6 MGs around the tank.1
Used only in a training role.1
M2A1 Medium Tank:
Aberdeen Tank Museum
1,000 were ordered into production in June 1940.1 However, the M3 Medium was nearing completion and only 94 were completed.1 These were used for training.1
The 37 mm gun fired a 1.9 lb. AP shell at a muzzle velocity of 2,600'/sec.5
Had more armor and the turret from the M3 light tank.1
M2 with E-2 Flame Projector:
Experimental mount with flame thrower.3
| M2 | M2A1 | |
|---|---|---|
| Crew | Commander, driver, gunners (4).2,4 62,3,4 |
Commander, driver, gunners (4).2,4 62,3,4,5, 51 |
| Physical Characteristics | ||
| Weight | 38,000 lb2 17.3 tons4, 19 tons3 |
47,040 lb2 19 tons5, 21 tons1, 21.4 tons4, 23 tons3 21,336 kg1 |
| Length w/gun | 17' 6"2, 17' 8"3 5.33 m4 |
17' 6"1,2, 17.7'5 |
| Length w/o gun | ||
| Height | 9' 3"2, 9' 4.5"3 2.84 m4 |
9' 3"1, 9.4'5, 9' 4.5"2 2.82 m1,4 |
| Width | 8' 6"2, 8' 7"3 2.59 m4 |
8' 6"1,2, 8.6'5 2.59 m1,4 |
| Width over tracks | ||
| Ground clearance | 17"5 | |
| Ground contact length | 142"5 | |
| Ground pressure | 9.6 psi5 | |
| Turret ring diameter | ||
| Armament | ||
| Main | 37 mm M62,4 37 mm3 |
37 mm1,3 37 mm M62 37 mm M6, L/535 |
| Secondary | ||
| MG | 8: .30 cal Browning MG2 8: MG3 |
6: 7.62 mm (.30 cal) MGs1 8: .30 cal Browning MG2 8: MG3 8: .30 cal M1919A4 MG5 |
| Side arms | ||
| Quantity | ||
| Main | 2002,4 | 2002,5 |
| Secondary | ||
| MG | 12,2502,4 | 12,2502,5 |
| Side arms | ||
| Armor Thickness (mm) | 9.52, 321,2, 1"3 Front: 254 |
9.52, 252, 1.25"3 Front: 1"5, 324 Side: 1"5 |
| Hull Front, Upper | ||
| Hull Front, Lower | ||
| Hull Sides, Upper | ||
| Hull Sides, Lower | ||
| Hull Rear | ||
| Hull Top | ||
| Hull Bottom | ||
| Turret Front | 1"5 Mantlet: 2"5 |
|
| Turret Sides | ||
| Turret Rear | ||
| Turret Top | ||
| Engine (Make / Model) | Wright2 Wright Radial3 |
Wright R-9751 Wright2,5 Wright Radial3 |
| Bore / stroke | ||
| Cooling | Air3 | Air3,5 |
| Cylinders | 92,3 | 92,3, R-95 |
| Capacity | ||
| Net HP | 3503,4, 4002 | 3502, 350@2,400 rpm5, 4003,4 |
| Power to weight ratio | ||
| Compression ratio | 6.3:15 | |
| Transmission (Type) | Constant mesh5 5 forward, 1 reverse5 |
|
| Steering | Controlled differential5 | |
| Steering ratio | ||
| Starter | ||
| Electrical system | ||
| Ignition | ||
| Fuel (Type) | Gasoline5 | |
| Octane | ||
| Quantity | 136 gallons5 | |
| Road consumption | 0.97 mpg5 | |
| Cross country consumption | ||
| Performance | ||
| Traverse | 360°2 | 360°2 Hand5 |
| Max speed | 26 mph2,3 43 kph4 |
26 mph1,2, 30 mph3,5 42 kph1, 43 kph4 |
| Cross country | 17.2 mph2 | 17 mph5, 17.2 mph2 |
| Road radius | 130 miles2 | 130 miles1,2,5 209 km1 |
| Cross country radius | ||
| Turning radius | ||
| Elevation limits | ||
| Fording depth | ||
| Trench crossing | 7' 6"2 | 7' 6"2 |
| Vertical obstacle | 2'2 | 2'2 |
| Climbing ability | ||
| Suspension (Type) | Vertical volute.2 | Vertical volute.2 Vertical volute spring.5 |
| Wheels each side | 3 bogies of 2 wheels each5 | |
| Return rollers each side | 35 | |
| Tracks (Type) | Dry pin, double pin per shoe, rubber cleat5 | |
| Length | ||
| Width | 1' 2"2 | 1' 1"2, 14"5 |
| Diameter | ||
| Number of links | 835 | |
| Pitch | 5.5"5 | |
| Tire tread | ||
| Track centers/tread | 6' 9"2 | 6' 9"2, 7'5 |
| Production | 941 | Rock Island Arsenal5 |
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
- Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
- Tank Data, Aberdeen Proving Grounds Series, 1968?
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