BT - 7  and BT - 7m

BT-7 was manufactured in 1935-39.After concept upgrade in 1939 it was named BT-7m.
Armament: 45-mm gun 1932 in pair with 7,62-mm DT-mashine
gun and 7,62-mm anti-aircraft machine gun.
Armor: 22 mm at the front,10 mm at board and 20 mm at rear side.
  

BT- 7

Engine:M-17T  450 Hp.
Max speed:72km/h
Range:500km

BT- 7m

Engine:V-2 diesel  500 Hp
Max speed:86 km/h 
Range:900 km