Hydraulic rock drill DF500X
Hydraulic percussion rock drills

Hydraulic rock drill DF500X

Hole diameter [mm]


Power class [kW]


Doofor DF500X is a high-power and high-frequency rock drill for general excavations, dimensional stone quarrying, and other quarrying. The rock drill is equipped with a hexagonal female chuck for rod shank sizes of 108 mm [4 ¼”] * 22 mm [7/8″] or 25 mm [1”].

For this rock drill, Doofor offers carriage plates and a choice of hydraulic, pneumatic and mechanic steel retainers.

Optimal maximum hole diameter for the DF500X is 45 mm [1 ¾”].

Doofor DF500X can be used with air flushing only.

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  • Nominal power class 10 kW
  • Percussion pressure 100-130 bar
  • (Percussion oil-flow) (55-80 litres/min)
  • Rotation motor* 32 cm3
  • Speed max. 150-300 rpm
  • Torque* 110 Nm
  • Oil flow* 15 litres/min (max. 25 litres/min)
  • Gear ratio 52/17
  • Lubrication Air-oil mist, min. 125 g/h
  • Flushing air pressure 5–7 bar
  • Flushing air flow 700-1200 litres/min
  • Weight 55 kg

For efficient lubrication, the lubrication air pressure should always be set at 2 bar higher than flushing pressure.
*) Numbers given are for a standard rotation motor (32 cm³) at an intermittent pressure of 140 bar [2031psi]. Motor options are 8 cm³, 12.5 cm³, 20 cm³, 32 cm³, 40 cm³ and 50 cm³. For professional use only as a component of a hydraulic system.

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