Designed to endure
demanding environments


Doofor DF500X is a high-power and high-frequency rock drill.
High-performance hydraulic rock drill

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 108mm [4 ¼”] * 22mm [7/8″] or 25mm [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 45mm [1 ¾”].

Doofor DF500X can be used with air flushing only.

Technical Data
Percussion power 10 kW
Percussion pressure 100-130 bar
(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

45 mm

Optimal maximum
hole diameter

10 kW

Power class


Shank size



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

Doofor D500X in action

Feed force (pressure) must be adjustable during operation. Rotation torque and oil flow values given are for a typical rotation motor. See full brochure for detailed information on different rotation motors. Percussion pressure mentioned is a recommended value for a typical application. The product is intended for professional use by skilled personnel. Doofor reserves all rights for changes without prior notice.

©2019 Doofor Inc