Nation
U.S.S.R.
Type
Heavy Tank
Tier
IX
Object 257

Cost

3,560,000
277,027

Battle earn rate

Silver earn rate100%
XP Earn Rate100%
Free XP Earn Rate5%
Crew XP Rate100%

Matchmaking

Up to Tier

X
PENETRATION225/265/68MM
DAMAGE390/390/530HP
HIT POINTS1800HP
MAX SPEED50/15(FORWARD/BACKWARD) KM/H
VISION RANGE380M
DETECTABILITY RANGE423.28/401.16(MOVING/STILL) M

Select multiple modules

Reset to stock

122 mm BL-9
122 mm BL-13-1 A
IS-3 (257)primary
Object 257primary
V-2-54IS
2x V-16 (1000)
Object 257
Object 257 Version 2
10RK
12RT
R-113

Module Details

122 mm BL-9
rate of fire
5.17rounds/min
damage
390/390/530hp
module damage
165/165/165hp
blast radius
0/0/2.49m
damage per minute
2016hp/min
penetration at 100m
225/265/68mm
penetration at 500m
204/250/68mm
ammo max speed
1007/1259/1007m/s
ammo max range
720/720/720m
Shell Type
AP/APCR/HE
reload time
11.6sec
aiming time
3sec
ammo capacity
40rounds
accuracy
0.38m
accuracy during turret rotation
0.99m
depression
5deg
elevation
15deg
yaw limit
-180/180deg
IS-3 (257)
turret armor
249/110/70mm
traverse speed
26deg/sec
view range
380m
position
primary
V-2-54IS
engine power
700hp
power/weight ratio
13.64hp/t
top forward speed
50km/h
top reverse speed
15km/h
fire chance
12percent
Object 257
traverse speed
32deg/sec
terrain resistance
1.2/1.7/2.3
10RK
signal range
440m

Tank origin

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.

Base Silver earn rate

100%

Special earn rate modifier

0%

Total

100%

Base XP earn rate

100%

Special earn rate modifier

0%

Total

100%

Base Free XP earn rate

5%

Special earn rate modifier

0%

Total

5%

Base Crew XP rate

100%

Special earn rate modifier

0%

Total

100%