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Rear Cover & Hydraulic Motor Assembly for Montabert HC20 Hydraulic Drifter
This assembly includes the rear cover, piston cover, hydraulic motor, motor shaft, thrust component, ring, seals, O-rings, adaptors, plugs and fastening screws for the Montabert HC20 hydraulic drifter. These components form the rear drive and rotation section of the drifter, transmitting hydraulic power through the motor shaft while maintaining correct component positioning and reliable sealing. Proper installation of the covers, fasteners and hydraulic connections helps ensure stable rotation, minimise fluid leakage and support consistent drilling performance.
Assembly Components
| Item | Part No. | Name | Qty | Remarks |
|---|---|---|---|---|
| 10 | 86668670 | Rear Cover | 1 | Main rear cover |
| 20 | 86677168 | Piston Cover | 1 | Piston housing cover |
| 30 | 86688140 | Seal | 1 | Sealing element |
| 40 | 86668936 | Seal | 1 | Sealing element |
| 50 | 86668860 | Thrust | 1 | Roller thrust component |
| 60 | 86668886 | Ring | 1 | Retaining ring |
| 70 | 86684263 | Seal | 1 | Shaft sealing element |
| 80 | 86668696 | Motor Shaft | 1 | Hydraulic motor drive shaft |
| 90 | 86350857 | O-ring | 1 | Hydraulic seal |
| 100 | 95234712 | UNF 1/2" Socket Head Screw | 8 | Tightening torque: 152 Nm / 112 ft.lb |
| 110 | 86548609 | M12 Socket Head Screw | 4 | Tightening torque: 102 Nm / 75 ft.lb |
| 120 | 86697083 | Hydraulic Motor | 1 | Main hydraulic motor assembly |
| 130 | 86330107 | Adaptor | 2 | Hydraulic connection adaptor |
| 140 | 86247723 | Plug | 2 | Hydraulic port plug |
| 150 | 86420098 | O-ring | 1 | Hydraulic seal |
Contact our team for pricing, availability and technical assistance regarding rear covers, piston covers, hydraulic motors, motor shafts, thrust components, seals, adaptors, plugs and replacement parts for the Montabert HC20 hydraulic drifter. You can also browse the complete range of Montabert HC20 spare parts.