ST-I 
| Tier 9 | Heavy Tank
- Nation
- USSR
- Tier
- 9
- Class
- Heavy Tank
- Premium
- No
- Gift
- No
- Wheeled
- No
- Credits
- 3.561.000
- Gold
- 0
- Views
- 3
The project was developed at Factory No. 92 in 1945. The design featured the Object 701 (IS-4) hull, but different transmission and suspension. The tank turret was developed from scratch. Existed only in blueprints.
Researchable next tanks
-
USSR · Tier 10 · Heavy Tank
Default configuration
Radio
R-113
| Signal range (m) | 730 |
Engine
V-11 (ST-I)
| Power (hp) | 720 |
| Fire chance | 0.15 |
Gun
122 mm BL-9
| Reload (s) | 13.26 |
| Fire rate | 4.530 |
| Aim time (s) | 3.43 |
| Dispersion | 0.400 |
| Traverse (°/s) | 26 |
| Ammo max | 28 |
| Elev (°) | 18 |
| Depress (°) | 6 |
Chassis
ST-I
| Load limit (kg) | 0 |
| Traverse (°/s) | 28 |
Turret
Object 701-1
| HP | 300 |
| Armor F/S/R | 170/170/160 |
| Traverse (°/s) | 22 |
| View range (m) | 370 |
All modules
Radio (1)
R-113
• 52.200 cr DEFAULT | Signal range (m) | 730 |
Engine (2)
V-11 (ST-I)
• 55.270 cr DEFAULT | Power (hp) | 720 |
| Fire chance | 0.15 |
Next modules: V-12P
V-12P
• 84.000 cr | Power (hp) | 790 |
| Fire chance | 0.15 |
Gun (2)
122 mm BL-9
• 178.500 cr DEFAULT | Reload (s) | 13.26 |
| Fire rate | 4.530 |
| Aim time (s) | 3.43 |
| Dispersion | 0.400 |
| Traverse (°/s) | 26 |
| Ammo max | 28 |
| Elev (°) | 18 |
| Depress (°) | 6 |
122 mm M62-T2 (ST-I)
• 335.000 cr | Reload (s) | 12.57 |
| Fire rate | 4.770 |
| Aim time (s) | 3.43 |
| Dispersion | 0.370 |
| Traverse (°/s) | 26 |
| Ammo max | 30 |
| Elev (°) | 15 |
| Depress (°) | 5 |
Unlocks tanks: IS-4
Chassis (2)
ST-I
• 27.900 cr DEFAULT | Load limit (kg) | 0 |
| Traverse (°/s) | 28 |
Next modules: ST-IM
ST-IM
• 65.000 cr | Load limit (kg) | 0 |
| Traverse (°/s) | 30 |
Turret (2)
Object 701-1
• 33.680 cr DEFAULT | HP | 300 |
| Armor F/S/R | 170/170/160 |
| Traverse (°/s) | 22 |
| View range (m) | 370 |
Next modules: ST-I
ST-I
• 61.000 cr | HP | 400 |
| Armor F/S/R | 250/160/160 |
| Traverse (°/s) | 24 |
| View range (m) | 380 |
Next modules: 122 mm M62-T2 (ST-I)
