• Part No.: 86778461
• Part Weight:
• Product Name: Strike piston (Hydraulic Rock Drill Strike Piston)
• Applicable Eqpt: Montabert HC28 Hydraulic Rock Drill/Drifter
• Replacement: Replace when impact surface wear >0.2mm (long-term use)
• Core Advantages: Genuine OEM, Short Delivery, Competitive Price
• Key Function: Generates impact force via reciprocating motion, transferring energy to drill bitill bit
The Strike piston 86778461 for HC28 Hydraulic Rock Drills is the impact core. Generic pistons (4140 steel) wear in 3000h; this OEM piston is 4340 steel, nitride-hardened, impact surface wear ≤0.15mm in 5000h, maintaining full impact energy.
| Model | Part No. | Description | Weight/Kg | Qty. | Unit | Replacement Part No. | |||
|---|---|---|---|---|---|---|---|---|---|
| HC28 | 86780483 | 200 hours Service kits | 1 | pcs | |||||
| HC28 | 86780491 | 400 hours Service kits | 1 | pcs | |||||
| HC28 | 86780509 | 800 hours Service kits | 1 | pcs | |||||
| HC28 | 86780517 | 1600 hours Service kits | 1 | pcs | |||||
| HC28 | 86780525 | 3200 hours Service kits | 1 | pcs | |||||
| HC28 | 86778503 | Flushing nozzle | 1 | pcs | |||||
| HC28 | 86747979 | Ring | 1 | pcs | |||||
| HC28 | 86772241 | Snap ring | 1 | pcs | |||||
| HC28 | 86809365 | Packing | 1 | pcs | |||||
| HC28 | 86235355 | O_ring | 2 | pcs | |||||
| HC28 | 86778560 | Retainer socket | 1 | pcs | |||||
| HC28 | 86778545 | Flushing ring | 1 | pcs | |||||
| HC28 | 86778651 | Snap ring | 1 | pcs | |||||
| HC28 | 86778644 | Shank protection | 1 | pcs | |||||
| HC28 | 86331766 | Adapter | 1 | pcs | |||||
| HC28 | 86263233 | Plug | 1 | pcs | |||||
| HC28 | 86726734 | Seal kit | 1 | pcs | |||||
| HC28 | 86392669 | Plug | 1 | pcs | |||||
| HC28 | 86778446 | Carter | 1 | pcs | |||||
| HC28 | 86778511 | Cover | 1 | pcs | |||||
| HC28 | 86778693 | Seal | 1 | pcs | |||||
| HC28 | 86255700 | O'ring | 1 | pcs | |||||
| HC28 | 86778586 | Ring | 1 | pcs | |||||
| HC28 | 86778594 | Drive component | 1 | pcs | |||||
| HC28 | 86778578 | Ring | 1 | pcs | |||||
| HC28 | 86778529 | Splined nut | 1 | pcs | |||||
| HC28 | 86778701 | Seal | 1 | pcs | |||||
| HC28 | 86793452 | Shank stop incl.: | 1 | pcs | |||||
| HC28 | 86611662 | Seal | 1 | pcs | |||||
| HC28 | 86778453 | Cylinder | 1 | pcs | |||||
| HC28 | 86729332 | Drive component | 1 | pcs | |||||
| HC28 | 86778719 | Seal | 1 | pcs | |||||
| HC28 | 86270618 | Adapter | 3 | pcs | |||||
| HC28 | 86263233 | Plug | 3 | pcs | |||||
| HC28 | 86392669 | Plug | 3 | pcs | |||||
| HC28 | 86492048 | Screw | 4 | pcs | |||||
| HC28 | 86796299 | Seals package | 1 | pcs | |||||
| HC28 | 101062720 | Cover | 1 | pcs | |||||
| HC28 | 86753852 | Diaphragm kit | 1 | pcs | |||||
| HC28 | 86600632 | Valve | 1 | pcs | |||||
| HC28 | 86580966 | Threaded plug | 1 | pcs | |||||
| HC28 | 86746575 | special screw | 10 | pcs | |||||
| HC28 | 86655214 | O_ring | 1 | pcs | |||||
| HC28 | 86221595 | Drive component | 1 | pcs | |||||
| HC28 | 86715489 | Upper cylinder | 1 | pcs | |||||
| HC28 | 101050719 | Pin | 1 | pcs | |||||
| HC28 | 86778461 | Strike piston | 1 | pcs | |||||
| HC28 | 86715422 | Distributor | 1 | pcs | |||||
| HC28 | 86715448 | Push rod | 1 | pcs | |||||
| HC28 | 86778495 | Piston cover | 1 | pcs | |||||
| HC28 | 86778487 | Cover | 1 | pcs | |||||
| HC28 | 86420098 | O_ring | 1 | pcs | |||||
| HC28 | 86326618 | O_ring | 1 | pcs | |||||
| HC28 | 86668860 | Roller thrust | 1 | pcs | |||||
| HC28 | 86668886 | Ring | 1 | pcs | |||||
| HC28 | 86712403 | Ring | 1 | pcs | |||||
| HC28 | 86684263 | Seal | 1 | pcs | |||||
| HC28 | 95687497 | socket head screw | 8 | pcs | |||||
| HC28 | 86778628 | Plug | 1 | pcs | |||||
| HC28 | 86785946 | O_ring | 1 | pcs | |||||
| HC28 | 86793338 | Adapter | 1 | pcs | |||||
| HC28 | 86656410 | O_ring | 1 | pcs | |||||
| HC28 | 86233574 | Plug | 1 | pcs | |||||
| HC28 | 86392669 | Plug | 1 | pcs | |||||
| HC28 | 86718004 | Hydraulic motor | 1 | pcs | |||||
| HC28 | 86238201 | O_ring | 1 | pcs | |||||
| HC28 | 96709274 | socket head screw | 1 | pcs | |||||
| HC28 | 86778602 | Flange | 1 | pcs | |||||
| HC28 | 86778610 | Threaded axle | 1 | pcs | |||||
| HC28 | 86587995 | O_ring | 1 | pcs | |||||
| HC28 | 86266301 | Adapter | 1 | pcs | |||||
| HC28 | 86247723 | Plug | 1 | pcs | |||||
| HC28 | 86796299 | Seals package | 1 | pcs | |||||
| HC28 | 86488475 | Plastic plug | 1 | pcs | |||||
| HC28 | 86793437 | Control gauge kit | 1 | pcs |
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