IS 
| Tier 7 | Heavy Tank
- Nation
- USSR
- Tier
- 7
- Class
- Heavy Tank
- Premium
- No
- Gift
- No
- Wheeled
- No
- Credits
- 1.424.000
- Gold
- 0
- Views
- 14
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.
Researchable next tanks
-
USSR · Tier 8 · Heavy Tank
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USSR · Tier 8 · Heavy Tank
Default configuration
Radio
12RT
| Signal range (m) | 625 |
Engine
V-2 (IS)
| Power (hp) | 700 |
| Fire chance | 0.15 |
Gun
85 mm D-5T (IS)
| Reload (s) | 4.86 |
| Fire rate | 12.350 |
| Aim time (s) | 2.86 |
| Dispersion | 0.460 |
| Traverse (°/s) | 39 |
| Ammo max | 59 |
| Elev (°) | 22 |
| Depress (°) | 5 |
Chassis
IS-1
| Load limit (kg) | 0 |
| Traverse (°/s) | 38 |
Turret
IS-85
| HP | 200 |
| Armor F/S/R | 100/90/90 |
| Traverse (°/s) | 38 |
| View range (m) | 340 |
All modules
Radio (1)
12RT
• 33.600 cr DEFAULT | Signal range (m) | 625 |
Engine (2)
V-2 (IS)
• 36.000 cr DEFAULT | Power (hp) | 700 |
| Fire chance | 0.15 |
Next modules: V-2-54 (IS)
V-2-54 (IS)
• 79.290 cr | Power (hp) | 750 |
| Fire chance | 0.12 |
Gun (3)
85 mm D-5T (IS)
• 61.530 cr DEFAULT | Reload (s) | 4.86 |
| Fire rate | 12.350 |
| Aim time (s) | 2.86 |
| Dispersion | 0.460 |
| Traverse (°/s) | 39 |
| Ammo max | 59 |
| Elev (°) | 22 |
| Depress (°) | 5 |
Next modules: 100 mm D-10T (IS)
100 mm D-10T (IS)
• 78.180 cr | Reload (s) | 8.57 |
| Fire rate | 7.000 |
| Aim time (s) | 2.86 |
| Dispersion | 0.420 |
| Traverse (°/s) | 33 |
| Ammo max | 24 |
| Elev (°) | 20 |
| Depress (°) | 7 |
Next modules: IS-122
Chassis (2)
IS-1
• 12.990 cr DEFAULT | Load limit (kg) | 0 |
| Traverse (°/s) | 38 |
Next modules: IS-2M
IS-2M
• 18.080 cr | Load limit (kg) | 0 |
| Traverse (°/s) | 42 |
Turret (2)
IS-85
• 15.000 cr DEFAULT | HP | 200 |
| Armor F/S/R | 100/90/90 |
| Traverse (°/s) | 38 |
| View range (m) | 340 |
IS-122
• 26.300 cr | HP | 270 |
| Armor F/S/R | 100/90/90 |
| Traverse (°/s) | 28 |
| View range (m) | 350 |
Next modules: 122 mm D-25T (IS)
