T-40 tank

The small T-40 tank was intended for front-line reconnaissance, fighting landing forces and infantry, combat security and liaison. The first prototypes were assembled in 1939, but series production at Moscow Factory No. 37 began only in October 1940. A total of 722 T-40s were built.

Armour was 13 mm on the front, sides and rear, around 10 mm on the turret, 6 mm on the roof and 4–6 mm on the floor.

The T-40 used a liquid-cooled GAZ-11 carburetted inline six-cylinder engine. It displaced 3,485 cc and produced 85 hp at 3,600 rpm.

Crew: 2; combat weight: 5.5 tonnes. Maximum speed: 50 km/h on land and 6 km/h afloat; range: 300 km. Main armament: a 12.7 mm DShK machine gun of the 1938 model and a 7.62 mm DT of the 1929 model. Ammunition: 500 rounds for the DShK and 2,016 for the DT.