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Seal Kit 101138621 & Front Seal Kit 86732831 for Montabert HC20 Hydraulic Drifter
The 101138621 and 86732831 seal kits contain replacement sealing components for the Montabert HC20 hydraulic drifter. Seal Kit 101138621 covers sealing points located throughout the rear cover, hydraulic motor, percussion, distribution, housing and front shank sections. Front Seal Kit 86732831 contains dedicated sealing components for the water box and front cover section.
Replacing worn O-rings, lip seals and specialised sealing elements helps restore hydraulic tightness, prevent oil and flushing-water leakage, protect internal components from contamination and maintain consistent drilling performance.
Seal Kit 101138621 Components
| Item | Part No. | Name | Qty | Application |
|---|---|---|---|---|
| 1 | 86350857 | O-ring | 1 | Rear cover and hydraulic motor assembly |
| 2 | 86420098 | O-ring | 1 | Hydraulic motor connection section |
| 3 | 86684263 | Seal | 1 | Motor shaft sealing section |
| 4 | 86668936 | Seal | 1 | Piston cover assembly |
| 5 | 86688140 | Seal | 1 | Rear piston cover section |
| 6 | 86770898 | O-ring | 1 | Upper flange and distribution section |
| 7 | 86679388 | Seal | 1 | Main housing assembly |
| 8 | 86255700 | O-ring | 1 | Main housing and upper flange section |
| 9 | 86639317 | Seal | 2 | Cylinder and percussion assembly |
| 10 | 86267069 | O-ring | 2 | Front cover assembly |
| 11 | 86684271 | Seal | 1 | Front shank section |
| 12 | 86668944 | Dual Seal | 1 | Seal holder and spline shank section |
| 13 | 86668951 | Lip Seal | 1 | Front shank sealing section |
| 14 | 86625175 | Lip Seal | 1 | Front-end sealing section |
Front Seal Kit 86732831 Components
| Item | Part No. | Name | Qty | Application |
|---|---|---|---|---|
| 1 | 86262698 | Lip Seal | 2 | Water box and front cover sealing |
| 2 | 86732526 | O-ring | 1 | Front cover and retainer shank section |
Seal Kit 101138621 is intended for comprehensive servicing of the principal HC20 sealing points, while Front Seal Kit 86732831 is used for targeted maintenance of the water box and front cover section. The required kit should be selected according to the maintenance scope, component condition and serial configuration of the hydraulic drifter.
Contact us for pricing, availability and technical assistance regarding Seal Kit 101138621, Front Seal Kit 86732831, O-rings, lip seals and other service components. You can also browse the complete range of Montabert HC20 spare parts.