IS

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1 424 000
IS
The IS-1 (IS-85) heavy tank was a thorough modernization of the KV-1. The tank featured the 85-mm D-5T gun. The IS-1 entered mass production in October 1943, but work was discontinued at the beginning of 1944, as the IS-2 (IS-122) tank entered mass production in December 1943. A total of 107 vehicles were manufactured.

85 mm D-5T

85 mm D5T-85BM

100 mm D10T

IS-85

IS-122

122 mm D-2-5T
IS-3
77 000Credits

122 mm D-25T
IS-M
58 000Credits

10RK

12RT

V-2IS

V-2-54IS

IS-1

IS-2M

Shell Types:

AP
APCR
HE
AP
APCR
HE
AP
APCR
HE
AP
APCR
HE
AP
APCR
HE

Equipment:

Consumables:

Tech Tree:

KV-85
28 800
KV-13
53 300
IS
49 480
IS-3
77 000
IS-M
58 000
These characteristics apply to the vehicle with the crew trained to 100%.

Firepower:

Ammunition68 (rounds)
Caliber 85 (mm)
Damage 160 / 160 / 280 (HP)
Penetration 120 / 161 / 43 (mm)
Rate of Fire 12.24 (rounds/min)
Average Damage per Minute 1959 (HP)
Shells in the Magazine   
Time for Loading Between Shots   (s)
Time for Complete Loading   (s)
Reload Time4.90 (s)
Aiming Time 2.90 (s)
Dispersion at 100 m 0.46 (m)

Mobility:

Weight/Load Limit44.88 / 47.50 (t)
Engine Power 600 (h.p.)
Specific Power13.37 (h.p./t)
Top Speed34 (km/h)
Reverse Speed14 (km/h)
Traverse Speed32 (deg/s)
Gun Traverse Speed38 (deg/s)

Survivability:

Hit Points1130 (HP)
Hull Armor120 / 90 / 60 (mm)
Turret Armor100 / 90 / 90 (mm)

Spotting:

View Range 330 (m)
Signal Range440 (m)
 

Crew:

Commander(Radio Operator)
Gunner
Driver
Loader