XP cost142,700(~$26.49)
Credits cost3,560,000(~$39.53)
Total cost~$66.02
Free XP439,435(~$72.94)
RateXP = 1 gold
IX
Heavy tankBreakthrough
Heavy tankBreakthroughObject 257
World of Tanks NA statistics for the IX USSR heavy tank Object 257.
Object 257 tech tree branch
Object 257 characteristics
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
- … potential damage
- 15,600hp
- Shell cost
- 1,025
- … full ammo
- 41,000
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%
- Weight
- 51.3t
Ammunition
Equipment
Consumables
Directives
Field Modifications
Crew Skills
Crew level100%
Commander / Radio Operator
Driver
Gunner
LoaderObject 257 modules
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
Object 257 historical reference
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.
Object 257 videos
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