KV-122 Heavy Tank

The KV-122 was a KV-1S tank mounted with an IS-122 turret. The vehicle only had one prototype made.
Variants:
1.
Name: KV-122
Type: Heavy Tank
Origin: Soviet Union
Year: 1943
Produced: 1

Length: 6.9 Meters
Width: 3.25 Meters
Height: 2.64 Meters
Weight: From 42500 Kilograms to 46230 Kilograms
Speed: 42 km/h (15km/h off-road)

Crew: 5

Primary Armament:
-122 mm D-25T
Secondary Armament:
-7.62 mm DT (2)

Gun Flexibility: °

Armor:
-Hull
75 mm Front Vertical 40 mm Front Horizontal
60 mm Side
40 mm Rear Top 75 mm Rear Bottom
30 mm Top
30 mm Bottom
-Turret
100 mm Front
90 mm Side
90 mm Rear
30 mm Top (90 mm Hatch, 20 mm Hatch Top)

Sources:
http://ftr.wot-news.com/2013/09/01/historical-accuracy-guns-of-the-kv-1s/
http://www.aviarmor.net/tww2/tanks/ussr/kv1.htm