Purpose:
Gear box is used for alternation of the torque transmitted and shaft rotary speed and drill rig rotor
Technical data:
| Parameter | Rig type |
| KPZ-900D | ZD-76, 200D-N, ZD-86, ZD-86-2 |
| KPZ-900E | 4000E, NBO-E4E-76, NBO-ESP |
| KPC-700 | 3200EUK-1Ì |
| KPC 2-720k | 3200EUK-2M, 3200DGU-1, 3200EU-1 |
| KPC 2-720 | 3200DGU-1 3200EU-1 |
| KPC 2-1100 | 5000ER, 4000ESP |
| KPC 1-1450 | 5000DG-SP |
| KPC2-110ÎB | 5000DGU-15000DGU-1 |
| KPC 2-720 | 3200DGU-1M, NBO-1K, 3200EUK-ÇM, 3200DERS |
| Reductor | RCS-1,53 |
