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Object 257

Loading the vehicle

XP cost142,700(~€21.29)

Credits cost3,560,000(~€32.11)

Total cost~€53.40

Free XP439,435(~€60.24)

RateXP = 1 gold

IXHeavy TankBreakthrough

Object 257

World of Tanks EU statistics for the IX U.S.S.R. heavy tank Object 257.

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Tech tree branch of the Object 257

IXObj. 257

142.7K3.6M

Characteristics of the Object 257

Firepower

Damage: 390hp
… vs modules: 165hp
Penetration: 225mm
… at 500m: 204mm
DPM: 2,108
Reload: 11.10s
Rate of fire: 5.41/min
Aim time: 3.10s
Dispersion: 0.380m
… moving: 0.200
… hull traverse: 0.200
… turret traverse: 0.100
… after firing: 3.50×
… gun damaged: 2.00×
Shell velocity: 1,007m/s
Max range: 720m
Caliber: 122mm
Ammo capacity: 40
… potential damage: 15,600hp
Shell cost: 1,025
… full ammo: 41,000
Gun depression: 5°
Gun elevation: 15°
Gun traverse range: 360°

Mobility

Top speed: 50km/h
Reverse speed: 15km/h
Engine power: 750hp
Power/weight: 14.6hp/t
Hull traverse: 35.0°/s
Turret traverse: 26.0°/s
… hard: 1.30
… medium: 1.70
… soft: 2.50
… hard: 41.1km/h
… medium: 31.5km/h
… soft: 21.4km/h
… hard: 35.0°/s
… medium: 26.8°/s
… soft: 18.2°/s

Survivability

Hit points: 1,900hp
… front: 130mm
… side: 130mm
… rear: 70mm
… front: 249mm
… side: 110mm
… rear: 70mm
Track armor: 20mm
Fire chance: 12.0%
Track repair time: 12.03s
… ammo rack: 210 / 140hp
… track: 220 / 165hp
… engine: 370 / 185hp
… fuel tank: 200 / 80hp
… turret ring: 160 / 80hp
… viewport: 110 / 55hp

Spotting & other

View range: 380m
Signal range: 730m
… stationary: 6.3%
… moving: 3.2%
… stationary, after firing: 5.3%
… moving, after firing: 2.7%
Weight: 51.3t

Ammunition

Equipment

Consumables

Directives

Field Modifications

Crew Skills

Crew level100%

Commander / Radio Operator

Driver

Gunner

Loader

Modules of the Object 257

VIII122 mm BL-9 (257)Stock

IX122 mm BL-13-1 (257)

56K280K

VIIIIS-3 (257)Stock

IXObject 257

24.8K62K

VIIIV-2-54 (257)Stock

IX2x V-16 (257)

48K125K

VIIIObject 257Stock

IXObject 257 Version 2

24K62.5K

XR-113Stock

IXObj. 257

Historical reference of the Object 257

A project of the heavy tank designated IS-7 that was developed in 1945. The vehicle was supposed to feature an electromechanical transmission. Development was discontinued at the documentation design stage. Existed only in blueprints.

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