BT-4
| GENERAL DATA | |||
| Other Designation(s) | - |
||
| Type | Fast/Convertible Tank (Medium/Infantry) |
Radio Equipment | None |
| Manufacturer(s) | Factory No. 183
Kharkov Locomotive Works (KhPZ) |
||
| Crew | 3 (Command/Gunner, MG Gunner, driver) |
||
| Production Quantity | few built |
Production Period | ? |
| DIMENSIONS | |||
| Combat weight | 10200 kg |
Ground pressure | 0.57 kg/cm² |
| Length /hull | 5.5 m |
Length w/Gun | 5.5 m |
| Barrel Overhang | 0 m |
Height | 2.21 m |
| Width | 2.23 m |
Ground clearance | 0.35 m |
| ARMAMENT | |||
| Primary Armament | 45 mm Gun or 27 mm Gun (1) |
Ammunition Carried | 180 |
| Traverse | 265° (manual) (1-2) |
Elevation | -5° to +25° (manual) (1-2) |
| Traverse speed (360°) | - |
Sight | TSMF, PT-1 |
| Secondary Armament | 1 x 7.62 mm DT MG (2) |
Ammunition Carried | 2709 |
| Location | 1: Left turret - 2: Right turret |
||
(*) Command Tank only
| ARMOR | ||||
| Assembly | Riveting
|
|||
| Armor Detail | Front |
Side |
Rear |
Top/Bottom |
| Hull | 13 mm / 31° (lower) 13 mm / 70° (nose) |
13 mm / 90° |
13 mm / 90° |
6-10 mm / 0° |
| Superstructure | 13 mm /
28° (glacis) 13 mm / 78° (driver) |
- |
- |
10 mm /
0° |
| Turrets | 13 mm / 90° |
13 mm / 90° |
13 mm / 90° |
10 mm / 0-5° |
| Mantlets | ? |
- |
- |
- |
| AUTOMOTIVE | |||
| Engine | Liberty Aero |
Type & Displacement | V12 |
| Horsepower (maximum) | 343-400 hp at 2000 rpm |
Power/Weight Ratio | 34.3 hp / ton |
| Gearbox | 4 forward, 1 reverse |
Fuel Capacity | 333 L Gasoline |
| SUSPENSION | |||
| Type | Christie coil spring |
Road wheels | 4 independent double-road wheels |
| Track return rollers | - |
Sprocket-Wheels | Rear, double |
| Idler Sprockets | Front, double |
Shock absorbers | - |
| Track Type | Central guides, smooth steel links | ||
| Width | 260 mm |
Pitch | ? mm |
| Links(shoes) | 73 |
Track ground contact | 3.60 m |
| PERFORMANCES | |||
| Maximum Speed | 111 km/h on wheels 62 km/h on tracks |
Range | 300 km on wheels 200 km on tracks |
| Mileage | ? L/100 km on wheels ? L/100 km on tracks |
Maximum grade | 40° (from horizontal) |
| Trench crossing | 2.1 m |
Vertical obstacles | 0.2-0.76 m |
| Maximum fording depth | 1.21 m |
Minimum turning diameter | 12.2 m |
| Sources | |||
| OnWar.com | TNT Hors-Série n°3 | - |
|
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