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Central Spare Parts for Montabert HC158
The central part (motor assembly) used in Montabert HC158 hydraulic drifters is responsible for transmitting hydraulic power, controlling internal oil flow, and ensuring stable operation of the rotation and percussion systems. This assembly includes the motor body, distribution elements, bearings, sealing components, and control parts required for reliable and continuous drilling performance.
Components included in the central part
| Item | Part No. | Name | Qty | Remarks |
| 10 | 86342623 / 86548195 | Motor body (including internal components) | 1 | Main housing |
| 20 | 86221561 | Guiding ring | 3 | - |
| 30 | 86223997 | Snap ring | 1 | - |
| 40 | 86264678 | Helicoil thread UNF 3/4" | 2 | Thread insert |
| 50 | 86223476 | Spring | 1 | - |
| 60 | 86220811 | Needle bearing | 2 | - |
| 70 | 86222825 | O-ring | 1 | Seal item |
| 80 | 86265071 | O-ring | 1 | Seal item |
| 90 | 86221918 | O-ring | 2 | Seal item |
| 100 | 86220209 | Shaft | 1 | Motor shaft |
| 110 | 86344199 | Distribution plate | 2 | - |
| 120 | 86261344 | O-ring | 2 | Seal item |
| 130 | 86318516 | Pin | 2 | - |
| 140 | 86223559 | Ball bearing | 1 | - |
| 150 | 86344116 | Bearing holder plate | 1 | - |
| 160 | 86313046 | Nut | 1 | - |
| 170 | 86302841 | Split pin | 1 | - |
| 180 | 86222668 | O-ring | 1 | Seal item |
| 190 | 86313053 | Cover | 1 | - |
| 200 | 86632221 | Motor cartridge (type 067) | 1 | - |
| 210 | 86223906 | Slider | 1 | - |
| 220 | 86223427 | Spring | 1 | - |
| 230 | 86272374 | O-ring | 1 | Seal item |
| 240 | 86221926 | O-ring | 1 | Seal item |
| 250 | 86319407 | Plug | 1 | - |
| 260 | 86332814 | Slider | 1 | - |
| 270 | 86312964 | Spring | 1 | - |
| 280 | 86312972 | Drive button | 1 | - |
| 290 | 86223765 | O-ring | 1 | Seal item |
| 300 | 86312980 | Pin | 1 | - |
| 310 | 86220928 | Ring | 1 | - |
| 320 | 86319969 | Plug (including internal components) | 1 | Includes items 330–340 |
| 330 | 86234994 | O-ring | 1 | Seal item |
| 340 | 86288131 | BS ring | 1 | - |
Browse the complete spare parts catalog for the Montabert HC158 hydraulic drifter to find original central part components and service parts required for reliable operation and maintenance.