Object 777 Heavy Tank

The Object 777 Heavy tank was a Soviet tank proposal that was not put into service despite being a higher rated tank than the T-10.
Variants:

1.
Name: Object 777
Type: Heavy Tank
Origin: Soviet Union
Year: 1953
Produced: 0

Length: 9.8 Meters
Width: 3.4 Meters
Height: 2.1 Meters
Weight: First: 49800 Kilograms Second: 49000 Kilograms
Speed: First 50 km/h  Second 54 km/h (30 km/h avg)

Crew: 4

Primary Armament:
-122 mm M62-T2
Secondary Armament:
-7.62 mm SG-43 AND
-14.5 mm KPV

Gun Flexibility: ???°

Armor:
-First Hull
132 mm Upper plate, 175 mm Lower Plate, 250 mm Point: Front
115 mm Upper Side, 105 mm Lower Side: Side
45 mm Rear
116 mm Bottom
-Second Hull
140 mm Upper plate, 200 mm Lower Plate, 250 mm Point: Front
92 mm Upper Side, 105 mm Lower Side: Side
45 mm Rear
116 mm Bottom
-Turret
195 mm Front
215 mm Side
90 mm Rear

Sources:
http://www.dogswar.ru/oryjeinaia-ekzotika/bronetehnika/7345-opytnyi-tank-lobekt.html
http://ftr.wot-news.com/2014/11/03/object-777-soviet-heavy-tank/