| GENERAL
DATA |
| Formal Designation |
BT-7 Model 1937 |
| Manufacturer(s) |
Factory No. 183
Kharkov Locomotive Works (KhPZ) |
| Production Quantity |
about 12001 |
Production Period |
1937-1939 |
| Type |
Medium/Cruiser Tank |
Crew |
3 |
| Length overall/hull |
5.66 m (18' 7") |
Barrel Overhang |
0 |
| Width |
2.29 m (7' 6") |
Height |
2.42 m (7' 11") |
| Combat Weight |
13800 kg (30400 lbs) |
Radio Equipment |
None/71-TK-1 |
| FIREPOWER |
| Primary Armament |
45mm Gun M1934 |
Ammunition Carried |
172/1882 |
| Traverse (degrees) |
360° |
Elevation (degrees) |
-4° to +40° |
| Traverse speed (360°) |
n.a. |
Sight |
n.a. |
| Secondary Armament |
2 x 7.62mm DT MG
(coaxial, turret) |
Ammunition Carried |
2394 |
| MOBILITY
CHARACTERISTICS |
| Engine Make & Model |
M-17 |
Track Links |
73/track |
| Type & Displacement |
V12 |
Track Width |
26 cm (10") |
| Horsepower (max.) |
450hp@1750rpm |
Track Ground Contact |
360 cm (142") |
| Power/Weight Ratio |
32.6 hp/tonne |
Ground Pressure |
0.74 kg/cm2 (10.5
psi) |
| Gearbox |
3 forward, 1 reverse |
Ground Clearance |
0.40 m (1' 4") |
| Fuel |
Gasoline (Petrol) |
Turning Radius |
12.2 m (40' 0") |
| Range on road |
350(500)3 km |
Gradient |
40° |
| Mileage on road |
230(160)* l/100km |
Vertical Obstacle |
0.75 m (2' 6") |
| Fuel Capacity |
790 l |
Fording |
1.2 m (3' 11") |
| Speed on road |
52(72)* km/h |
Trench Crossing |
2.0 m (6' 7") |
| ARMOR
PROTECTION |
| Armor Details |
Front |
Side |
Rear |
Top/Bottom |
| Hull |
22mm@round(nose) |
13mm@90° |
13mm@32°(lower) |
6-10mm@0° |
| 13mm@80°(upper) |
| Superstructure |
15mm@30°(glacis) |
- |
10mm@35° |
10mm@0° |
| 22mm@72°(driver) |
| Turret |
15mm@78° |
15mm@78° |
15mm@75° |
15mm@0-5° |
| Mantlet |
15mm@round |
- |
- |
- |
| TECHNICAL
DRAWINGS AND OTHER IMAGES |
|
|
| NOTES |
1This estimate is based on an analysis of BT
series production and Soviet tank production statistics.
2With/without radio equipment installed.
3The data refers to operation
of the vehicle on tracks (wheels). |
| REFERENCES |
| RT, ST, MM0182, MM0895, OOBTr,
RTAV, Russian Military Zone, George R. Bradford |
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