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Object 277
XP cost220,800(~€31.88)
Credits cost6,100,000(~€52.84)
Total cost~€84.71
Free XP from T1769,835(~€101.31)
XUSSRHeavy tankBreakthrough

Object 277

World of Tanks EU statistics for the X USSR heavy tank Object 277.

Object 277 tech tree branch

Object 277 characteristics

Firepower

Damage
490hp
… vs modules
180hp
Penetration
265mm
… at 500m
245mm
DPM
2,352
Reload
12.50s
Rate of fire
4.80/min
Aim time
2.70s
Dispersion
0.380m
… moving
0.160
… hull traverse
0.160
… turret traverse
0.080
… after firing
4.00×
… gun damaged
2.00×
Shell velocity
1,030m/s
Max range
720m
Caliber
130mm
Ammo capacity
35
… potential damage
17,150hp
Shell cost
1,250
… full ammo
43,750
Gun depression
16°
Gun elevation
6°
Gun traverse range
360°

Mobility

Top speed
55km/h
Reverse speed
15km/h
Engine power
950hp
Power/weight
17.3hp/t
Hull traverse
32.0°/s
Turret traverse
27.0°/s
Terrain resistance
… hard
1.30
… medium
1.80
… soft
3.10
Effective speed
… hard
48.6km/h
… medium
35.1km/h
… soft
20.4km/h
Effective traverse
… hard
32.0°/s
… medium
23.1°/s
… soft
13.4°/s

Survivability

Hit points
2,200hp
Hull armor
… front
140mm
… side
112mm
… rear
50mm
Turret armor
… front
290mm
… side
224mm
… rear
80mm
Track armor
20mm
Fire chance
12.0%
Track repair time
12.03s
Module HP (max / repaired)
… ammo rack
210 / 140hp
… track
250 / 190hp
… engine
360 / 180hp
… fuel tank
200 / 80hp
… turret ring
170 / 85hp
… viewport
120 / 60hp

Spotting & other

View range
400m
Signal range
730m
Camouflage
… stationary
6.8%
… moving
3.4%
Weight
55.0t

Ammunition

Equipment

Consumables

Directives

Field Modifications

Crew Skills

Crew level100%
Commander / Radio Operator
Driver
Gunner
Loader

Object 277 modules

X130 mm M-65Stock
XObject 277Stock
XM-850Stock
XObject 277Stock
XR-113Stock
XObj. 277

Object 277 historical reference

Developed in 1956–1958 at the Kirov Plant, Leningrad, under the supervision of Joseph Kotin. Two prototypes were produced and underwent trials from 1959 through 1960. A hull and a turret were produced for testing for shell resistance. The development was discontinued in the summer of 1960 due to insufficient development of certain systems and components. In addition, the vehicle did not demonstrate any advantage over the Object 770 heavy tank.