• Part No.: 86715489
• Part Weight:
• Product Name: Upper Cylinder (Hydraulic Rock Drill Upper Block)
• Applicable Eqpt: HC25 Hydraulic Rock Drill/Drifter
• Replacement: Replace when cracked/port deformed (long-term use)
• Core Advantages: Genuine OEM, Short Delivery, Competitive Price
• Key Function: Hold valve group, distribute hydraulic oil
As the hydraulic hub of the HC25 Hydraulic Rock Drill, the Upper Cylinder 86715489 manages oil distribution to critical components. Generic upper cylinders with 粗糙 oil ports (Ra≥1.2μm) create excessive flow resistance, reducing drill efficiency by up to 15%. This OEM part features precision-polished ports (Ra≤0.6μm) and is constructed from high-tensile alloy steel (≥750MPa), ensuring minimal pressure loss and accurate oil distribution. It requires replacement only if cracked or deformed, making it a long-lasting investment.
| Model | Part No. | Description | Weight/Kg | Qty. | Unit | Replacement Part No. |
|---|---|---|---|---|---|---|
| HC25 | 86714383 | Carter | 1 | pcs | ||
| HC25 | 86714466 | Cylinder | 1 | pcs | ||
| HC25 | 86250107 | Drive component | 1 | pcs | ||
| HC25 | 86221595 | Drive component | 1 | pcs | ||
| HC25 | 86679388 | Seal | 1 | pcs | ||
| HC25 | 86715489 | Upper cylinder | 1 | pcs | ||
| HC25 | 86624160 | Pin | 1 | pcs | ||
| HC25 | 86715414 | Strike piston | 1 | pcs | ||
| HC25 | 86715422 | Distributor | 1 | pcs | ||
| HC25 | 86714490 | Upper flange | 1 | pcs | ||
| HC25 | 86770898 | O'ring | 1 | pcs | ||
| HC25 | 86255700 | O'ring | 1 | pcs | ||
| HC25 | 86797032 | O'ring | 1 | pcs | ||
| HC25 | 86796281 | Diaphragm kit | 1 | pcs | ||
| HC25 | 86600632 | Valve | 1 | pcs | ||
| HC25 | 86580966 | Threaded plug | 1 | pcs | ||
| HC25 | 95421335 | socket head screw | 12 | pcs | ||
| HC25 | 95303368 | Adaptor | 1 | pcs | ||
| HC25 | 95303384 | Adaptor | 2 | pcs | ||
| HC25 | 86715448 | Push | 1 | pcs | ||
| HC25 | 86418357 | Plug | 1 | pcs | ||
| HC25 | 86632916 | Plug | 2 | pcs | ||
| HC25 | 86263233 | Plug | 2 | pcs | ||
| HC25 | 86247723 | Plug | 1 | pcs | ||
| HC25 | 86697083 | Hydraulic motor | 1 | pcs | ||
| HC25 | 86668670 | Rear cover | 1 | pcs | ||
| HC25 | 86715430 | Piston cover | 1 | pcs | ||
| HC25 | 86668860 | Thrust | 1 | pcs | ||
| HC25 | 86668886 | Ring | 1 | pcs | ||
| HC25 | 86712403 | Ring | 1 | pcs | ||
| HC25 | 86684263 | Seal | 1 | pcs | ||
| HC25 | 86668696 | Motor shaft | 1 | pcs | ||
| HC25 | 86350857 | O'ring | 1 | pcs | ||
| HC25 | 95234712 | UNF1/2", socket head screw | 8 | pcs | ||
| HC25 | 86548609 | M12, socket head screw | 4 | pcs | ||
| HC25 | 86330107 | Adaptor | 2 | pcs | ||
| HC25 | 86420098 | O'ring | 1 | pcs | ||
| HC25 | 86247723 | Plug | 2 | pcs | ||
| HC25 | 86715455 | Front guide | 1 | pcs | ||
| HC25 | 86736311 | Ring | 1 | pcs | ||
| HC25 | 86582558 | Snap ring | 1 | pcs | ||
| HC25 | 86715943 | UNF1/2", hexa. screw | 8 | pcs | ||
| HC25 | 86467032 | Washer | 8 | pcs | ||
| HC25 | 86715463 | Ring | 1 | pcs | ||
| HC25 | 95303335 | Adaptor | 1 | pcs | ||
| HC25 | 86726734 | Seal kit | 1 | pcs | ||
| HC25 | 86728698 | Front cover | 1 | pcs | ||
| HC25 | 86267069 | O'ring | 2 | pcs | ||
| HC25 | 86684271 | Seal | 1 | pcs | ||
| HC25 | 86733243 | Retainer socket | 1 | pcs | ||
| HC25 | 86732526 | O'ring | 1 | pcs | ||
| HC25 | 86732575 | Spline shank+Ring | 1 | pcs | ||
| HC25 | 86624160 | Pin | 1 | pcs | ||
| HC25 | 86796018 | Shank stop | 1 | pcs | ||
| HC25 | 86473303 | O'ring | 1 | pcs | ||
| HC25 | 86715554 | Lip seal | 1 | pcs | ||
| HC25 | 86676822 | Roller thrust | 1 | pcs | ||
| HC25 | 86676889 | Ring | 1 | pcs | ||
| HC25 | 86247723 | Plug | 1 | pcs | ||
| HC25 | 86488475 | Plastic plug | 1 | pcs | ||
| HC25 | 86751831 | Control gauge kit | 1 | pcs | ||
| HC25 | 86794393 | Seals kit | 1 | pcs | ||
| HC25 | 86726734 | Seals kit | 1 | pcs | ||
| HC25 | 86668944 | O'ring | 1 | pcs |
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