Kirovets-1 
| Tier 8 | Heavy Tank
- Nation
- USSR
- Tier
- 8
- Class
- Heavy Tank
- Premium
- Yes
- Gift
- No
- Wheeled
- No
- Credits
- 0
- Gold
- 0
- Views
- 3
The Kirovets-1 project (IS-3, prototype No. 1) was developed from July through November 1944. The prototype was built at the Chelyabinsk Kirov Plant in September–October 1944. From December 18 through December 24, 1944, the vehicle underwent trials at the NIBT proving grounds in Kubinka. After it was decided to manufacture a pilot series of the modified IS-2 with a hull proposed by engineers of Plant No. 100 and Central Research Institute-48, the work on the Kirovets-1 was discontinued.
Default configuration
Radio
10RKM
| Signal range (m) | 730 |
Engine
V-11-Kirovets-1
| Power (hp) | 720 |
| Fire chance | 0.15 |
Gun
122 mm D-25TA
| Reload (s) | 12.34 |
| Fire rate | 4.860 |
| Aim time (s) | 3.43 |
| Dispersion | 0.460 |
| Traverse (°/s) | 26 |
| Ammo max | 24 |
| Elev (°) | 25 |
| Depress (°) | 6 |
Chassis
Kirovets-1
| Load limit (kg) | 0 |
| Traverse (°/s) | 26 |
Turret
Kirovets-1
| HP | 310 |
| Armor F/S/R | 195/120/100 |
| Traverse (°/s) | 24 |
| View range (m) | 360 |
All modules
Radio (1)
10RKM
• 52.200 cr DEFAULT | Signal range (m) | 730 |
Engine (1)
V-11-Kirovets-1
• 55.000 cr DEFAULT | Power (hp) | 720 |
| Fire chance | 0.15 |
Gun (1)
122 mm D-25TA
• 125.140 cr DEFAULT | Reload (s) | 12.34 |
| Fire rate | 4.860 |
| Aim time (s) | 3.43 |
| Dispersion | 0.460 |
| Traverse (°/s) | 26 |
| Ammo max | 24 |
| Elev (°) | 25 |
| Depress (°) | 6 |
Chassis (1)
Kirovets-1
• 30.000 cr DEFAULT | Load limit (kg) | 0 |
| Traverse (°/s) | 26 |
Turret (1)
Kirovets-1
• 30.000 cr DEFAULT | HP | 310 |
| Armor F/S/R | 195/120/100 |
| Traverse (°/s) | 24 |
| View range (m) | 360 |
