IS-5/Object 248 Heavy Tank

A series of prototype IS tanks intended to mount various guns were created.  The IS-5 is one of these tanks. Not to be confused with the later IS-5 (Object 730).
Variants:
1.
Name: IS-5/Object 248
Type: Heavy Tank
Origin: Soviet Union
Year: 1943
Produced: ??? (At least one prototype)

Length: 6.77 Meters
Width:  3.07 Meters
Height: 2.73 Meters
Weight: ~46047 Kilograms
Speed: 35 km/h

Crew: 4

Primary Armament:
-85 mm ZiS-1PM OR
-85 mm S-34-1B OR
-100 mm S-34
Secondary Armament:
-7.62 mm DT (2)
-12.7 mm DSK

Armor:
-Hull
120 mm Front
90 mm Side
60 mm Rear
40 mm Top
20 mm Bottom

Sources:
http://xn----7sbb5ahj4aiadq2m.xn--p1ai/guide/army/ta/is5.shtml
http://mihalchuk-1974.livejournal.com/123823.html
http://tankarchives.blogspot.com/2013/07/birth-of-is-tanks-part-3-is-100-and.html