SU-100
KV-1
KV-2
IS-1
IS-2
Comet
Cromwell
Churchill
Lee/Grant
KV-1 Heavy Tank -
Crew: 5
Combat Weight: 47 tons
Max Speed Road: 21mph, Cross Country 10mph
Armament: 76.2mm ZIS-5 Rifled Tank gun, 3x 7.62mm DT machine guns
Muzzle Velocity: 2,150 FT/s
Armor: 75mm Hull, 75mm+26mm Hull Nose, 75mm + 31 Glacis, 40mm Belly, 32mm Hull Rear, 95-100mm Cast Turret Front/Sides, 30mm Roof
Some Variations of the KV-1 are the KV-8 (Flame thrower), SU-152 Assault Gun, KV-85 with has a 85mm Gun as a stop gap measure for the Tiger/Panther.
The KV-2 had a 152mm Howitzer, well larger turret and thick armor.
IS-2:
Crew: 4
Max Speed: 23 Road, 18 cross country
Armament: D-25T Model 1943 12mm Rifled Tank gun
Ammunition: BR-471B (Armored piercing) BP-460A (Heat shaped charge) OF-462 (HE Round)
Muzzle Velocity: 2560 ft/s
Max Effective Range: 9 miles indirect, 900 m Direct fire
Armour: 90-120mm Hull Front, 90-95mm Hull Side, 60mm Hull Rear, 160mm Turret Front, 100mm Turret Side, 90mm Turret Rear