Hydraulic rock drill parts

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HC25 · Square motor / Round motor Guide specifications

Hole diameter: 32–51 mm
Impact flow: 55–65 L/min
Impact pressure: 110–130 bar
Impact frequency: 55–65 Hz

Guide values are for reference; confirm the model and version against your machine.

Source: hydraulic rock drill parts selection guide, PDF page 11, 13.

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Search model, part number or nameRock drill modelVersion

Parts

HC25Square motor

Needle washer

Part number: 86668860

Guide reference: PDF page 12View part →

HC25Square motor

Ring

Part number: 86668886

Guide reference: PDF page 12View part →

HC25Square motor

Ring

Part number: 86676889

Guide reference: PDF page 12View part →

HC25Square motor

Cylinder block

Part number: 86714466

Guide reference: PDF page 12View part →

HC25Square motor

Strike piston

Part number: 86715414

Guide reference: PDF page 12View part →

HC25Square motor

Distributor

Part number: 86715422

Guide reference: PDF page 12View part →

HC25Square motor

Ring

Part number: 86715463

Guide reference: PDF page 12View part →

HC25Square motor

Upper cylinder

Part number: 86715489

Guide reference: PDF page 12View part →

HC25Square motor

Front cover

Part number: 86728698

Guide reference: PDF page 12View part →

HC25Square motor

Front guide

Part number: 86732344

Guide reference: PDF page 12View part →

HC25Square motor

Spline shank and ring

Part number: 86732575

Guide reference: PDF page 12View part →

HC25Square motor

Pilot bushing

Part number: 86736311

Guide reference: PDF page 12View part →

HC25Square motor

Shank stop

Part number: 86796018

Guide reference: PDF page 12View part →

HC25Square motor

Retainer shank

Part number: 89735073

Guide reference: PDF page 12View part →

HC25Square motor

Piston cover

Part number: 101134694

Guide reference: PDF page 12View part →

HC25Square motor

Hydraulic motor

Part number: 86718004

Guide reference: PDF page 12View part →

HC25Square motor

Valve

Part number: 86600632

Guide reference: PDF page 12View part →

HC25Round motor

Needle washer

Part number: 86668860

Guide reference: PDF page 14View part →

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