T5 Medium Tank
Aberdeen Tank Museum
The Rock Island Arsenal (US government owned) designed this tank to share components with the M2 Light Tank to help with standardization.1
Several alternate forms were built before a standard was set.
Had a single 37 mm gun.1 It fired a 1.91 lb round at a muzzle velocity of 2,600'/sec.3
T5E1 (Phase I) Medium Tank
Had 2 37 mm guns.1,4 The 37 mm guns were short.3
T5E2 Medium Tank
Had a 75 mm pack howitzer which was hull mounted.1,4
T5 Phase III Medium Tank
Was the original pilot model, and had a larger engine and wider tracks.1
| T5 | T5 Phase I | T5 Phase III | T5E1 | T5E2 | |
|---|---|---|---|---|---|
| Crew | 51 | 52 | 52 | ||
| Physical Characteristics | |||||
| Weight | 13,608 kg1 13.39 tons1, 15 tons3 |
15 tons2 | |||
| Length w/gun | 17.25'3, 17' 6"1 5.33 m1 |
17' 3"2 | |||
| Length w/o gun | |||||
| Height | 9'3, 9' 4.5"1 2.86 m1 |
9'2 | |||
| Width | 8.2'3, 8' 6"1 2.59 m1 |
8' 2"2 | |||
| Width over tracks | |||||
| Ground clearance | 16"3 | ||||
| Ground contact length | 140.25"3 | ||||
| Ground pressure | 9.3 psi3 | ||||
| Turret ring diameter | |||||
| Armament | 37 mm1 2 x 37 mm M6, L/533 |
37 mm2 | 37 mm1 | 2: 37 mm1,2 | 75 mm1 75 mm Howitzer2 |
| Main | |||||
| Secondary | 6: 7.62 mm MG1 6: .30 cal M1919A4 MG, hull, rear sponsons3 |
6: MG2 | 6: 7.62 mm MG1 | 8: MG2 | |
| MG | |||||
| Side arms | |||||
| Quantity | |||||
| Main | |||||
| Secondary | |||||
| MG | |||||
| Side arms | |||||
| Armor Thickness (mm) | 251 Front: 1"3 Side: 1"3 |
1"2 | 1" - 1.25"2 | ||
| Hull Front, Upper | |||||
| Hull Front, Lower | |||||
| Hull Sides, Upper | |||||
| Hull Sides, Lower | |||||
| Hull Rear | |||||
| Hull Top | |||||
| Hull Bottom | |||||
| Turret Front | 1"3 | ||||
| Turret Sides | 1"3 | ||||
| Turret Rear | |||||
| Turret Top | |||||
| Engine (Make / Model) | Continental1,4 | Continental2 | Wright1 Wright Radial2 |
Guiberson2 | Wright Radial2 |
| Bore / stroke | |||||
| Cooling | Air3 | Air2 | Air2 | ||
| Cylinders | R-73 | ||||
| Capacity | |||||
| Net HP | 2501, 250@2,400 rpm3 | 2502 | 3461,2 | 3462 | |
| Power to weight ratio | |||||
| Compression ratio | 6.1:13 | ||||
| Transmission (Type) | Constant mesh3 5 forward, 1 reverse3 |
||||
| Steering | Controlled differential3 | ||||
| Steering ratio | |||||
| Starter | Electric3 | ||||
| Electrical system | |||||
| Ignition | Distributor3 | ||||
| Fuel (Type) | Gasoline3 | ||||
| Octane | |||||
| Quantity | 125 gallons3 | ||||
| Road consumption | 1 mpg3 | ||||
| Cross country consumption | |||||
| Performance | |||||
| Traverse | Hand3 | ||||
| Max speed | 20 mph1, 30.6 mph3 32 kph1 |
20 mph2 | |||
| Cross country speed | 20.8 mph3 | ||||
| Road radius | 125 miles3, 130 miles1 209 km1 |
||||
| Cross country radius | |||||
| Turning radius | |||||
| Elevation limits | |||||
| Fording depth | 52"3 | ||||
| Trench crossing | 7.6'3 | ||||
| Vertical obstacle | 24"3 | ||||
| Climbing ability | 31° (60%) slope3 | ||||
| Suspension (Type) | Vertical-Volute spring3 | ||||
| Wheels each side | 3x23, 6 | ||||
| Return rollers each side | 33 | ||||
| Tracks (Type) | Rubber block or rubber bushed, double pin shoe3 | ||||
| Length | |||||
| Width | 11.6"3 | ||||
| Diameter | |||||
| Number of links | 793 | ||||
| Pitch | 5.5"3 | ||||
| Tire tread | |||||
| Track centers/tread | 6.7'3 | ||||
| Production | 151 Rock Island Arsenal3 |
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
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- Tank Data, Aberdeen Proving Grounds Series, 1968?
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