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
XPENETRATION225/265/68MM
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
GUN


TURRET


ENGINE


SUSPENSION


RADIO



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.