BT-5 Light Tank

The BT-5 light tank was a successor of the BT-2. It was not ideal but it the BT-2 needed a replacement.
Variants:
1.
Name: BT-5
Type: Light Tank
Origin: Soviet Union
Year: 1933
Produced: 1884

Length: 5.58 Meters
Width: 2.23 Meters
Height: 2.23 Meters
Weight: 11500 Kilograms
Speed: 52 km/h (72 km/h on wheels)

Crew: 3

Primary Armament:
-13.5 mm CPU
-37 mm B-3
-45 mm 20K
-45 mm mod. 33
-152 mm Kurchevsky (offered-paper only)
-165 mm Gas-Dynamic (discontinued)
Secondary Armament:
-7.62 mm DT

Gun Flexibility:

21° Elevation
5° Depression

For 165 mm Gas Dynamic

40° Elevation to 80° Elevation

For Machine Gun:

5° Elevation

5° Depression

4.5° Left

4.5° Right

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

2.
Name: BT-5KH
Type: Light Tank (Amphibious)
Origin: Soviet Union
Produced: At least 1

Length: 5.58 Meters
Width: 2.23 Meters
Height: 2.23 Meters
Weight: 11500 Kilograms
Speed: 30 km/h (7 km/h in water)

Crew:  3

Primary Armament:
-13.5 mm CPU
-37 mm B-3
-45 mm 20K
Secondary Armament:
-7.62 mm DT

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

3.

Name: BT-5A

Type: Self-Propelled Artillery/ Light Tank 

Origin: Soviet Union

Produced: 

Length: 5.58 Meters
Width: 2.23 Meters
Height: 2.23 Meters
Weight: 11500 Kilograms
Speed: 52 km/h (72 km/h on wheels)

Crew: 3

Primary Armament:
-75 mm Howitzer
Secondary Armament:
-7.62 mm DT

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

Sources:

http://www.tanks-encyclopedia.com/ww2/soviet/soviet_BT-5.php

http://www.aviarmor.net/tww2/tanks/ussr/bt-5.htm