Hammer Master 280


  • It is a blank firing breaker, suitable for secondary breaking.
  • Internal control valve system keeps hydraulic system cool and increases efficiency up to 15%*.
  • Uniform piston design at top and bottom to transfer full energy to tool.
  • Cushioned damper to prevent repercussion to carrier.
  • Patented powercell holding system.
  • High tensile bottom bush for better life (HRC- 57).
  • Maximum impact energy of 550 joules, more power, per stroke.


260 Kg
Impact rate
600 bmp
Total Diameter
70 mm

Technical Parameters

Parameters Unit HM280
Operating Weight (Including Tool & Hanger) kg 260
Height mm 1614
Operating Pressure bar 130-140
Oil Flow (Lt.Per Minute) lpm 60-65
Carrier Relief Pressure bar 175
Maximum Return Line Pressure bar 10
Impact Rate (Blow Per Minute) joules 600
Tool Diameter mm 70
Wear Limit of Chisel & Front Cover mm 5
Accumulator Charging Pressure bar 50
Head Cap N2 Pressure bar 10-14
Suitable For Machines 3DX, 3DX Super, 3DX Xtra

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