BT-2 Light Tank

The BT-2 was a "fast tank" based on the christie design. The specific design it was based on was the M1931.  This tank led to the other BT tanks with upgrades and improvements to this design.

Variants:
1.
Name: BT-2
Type: Light Tank
Origin: Soviet Union
Year: ~1932
Produced: 650

Length: 5.36 Meters
Width: 2.23 Meters
Height: 2.16 Meters
Weight: 11300 Kilograms
Speed: 52 km/h (72 km/h on wheels)

Crew: 2

Primary Armament*:
-7.62 mm YES(2) OR
-7.62 mm DT (2) OR
-37 mm B-3 OR
-37 mm mod. 30 OR
-37 mm mod. 33 OR
-45 mm 20K OR
Secondary Armament:
-7.62 mm DT

*please not that some of these guns were only proposals

Armor:
-Hull
13 mm Front
13 mm Side
6 mm Rear
10 mm Top
10 mm Bottom
-Turret
13 mm Front
13 mm Side
13 mm Rear
10 mm Top

Sources:
http://www.aviarmor.net/tww2/tanks/ussr/bt-2.htm
http://www.tanks-encyclopedia.com/ww2/soviet/soviet_BT-2.php