Designed to endure
demanding environments

DF430X rock drill

Doofor DF430X a high-frequency rock drill.
High-performance hydraulic rock drill

Doofor DF430X rock drill is a high-frequency rock drill for general excavations, quarrying and bolting with hexagonal shank steels with a shank size of 108mm [4 ¼”] * 22mm [7/8”] or 25mm [1”]. The rock drill has a female hexagonal chuck. The rock drill has a through-piston flushing tube.

Light piston models DF410X and DF420X for limited oil flow platforms and for small hole diameters are available.

For this rock drill, Doofor offers carriage plates and a choice of hydraulic, pneumatic and mechanic steel retainers. See accessories and Services for further information.

Technical Data
Percussion power 5 kW
Percussion pressure 120 bar
(Percussion oil flow) (45 litres/min)
Rotation motor* 20 cm3
Rotation speed max. 200–300 rpm
Torque* 100 Nm
Oil flow* 15 litres/min (max. 25 litres/min)
Gear ratio 47/17
Lubrication Air-oil mist, min. 125 g/h
Flushing air pressure 5–8 bar
Flushing air flow 700-1200 litres/min
Flushing water flow 15–30 litres/min
Weight 41 kg

41 mm


5 kW

Power class


shank size

 *) Rotation torque and oil flow values are for 20 cm³ rotation motor with intermittent pressure of 140 bar. Optional rotation motors are 8 cm³, 12.5 cm³, 20 cm³, 32 cm³ and 40 cm³. See the brochure for the full specifications.


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.

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