BT-7, BT-7M

BT-7, BT-7M
BT-7M, 1940, with tracks removed from the wheels and carried on the hull
Type	Light cavalry tank
Place of origin	Soviet Union
Service history
In service	1935–45
Wars	Soviet–Japanese Border Wars,World War II, Winter War
Production history
Designer	Morozov
Designed	1935[1]
Manufacturer	KhPZ
Produced	1935–40
Number built	2700[1] - 5300[citation needed]
Variants	BT-7-1, BT-7-1V, BT-7-2, BT-7A, BT-7M (BT-8), BT-IS[1]
Specifications (variant BT-7-2[1])
Weight	13.9 tonnes (13.7 long tons; 15.3 short tons)
Length	5.66 m (18 ft 7 in)
Width	2.29 m (7 ft 6 in)
Height	2.42 m (7 ft 11 in)
Crew	3
Armour	Hull: 6-22 mm Turret: 10-15 mm
Main armament	45 mm L/46
Secondary armament	2 x 7.62 mm DT machine gun
Engine	Mikulin M-17T (V-12) gasoline 450 hp (at 1,750 rpm)
Power/weight	32.37 hp/tonne
Transmission	Chain drive (tracks: sliding gear)
Suspension	Christie
Ground clearance	0.305 m (1 ft)
Fuel capacity	360 litres (95 US gal)
Operational range	Road: 430 km (270 mi) Off-road: 360 km (220 mi)
Speed	Road: 72 km/h (45 mph) Off-road: 50 km/h (31 mph)
Steering system	steering stick