Designed to endure
demanding environments

Hydraulic rock drills and drifters

DF430X – DF430S – DF430F – DF500X – DF500S – DF530X – DF530SDF538L – DF540L – DF540L-BLT – DF550L – DF550L-2M – DF550L-EXT – DF560L - DF560L-2M – DF560L-EXT


High-performance hydraulic rock drill

Doofor DF538L is a hydraulic drifter for general excavations, tunneling work, and mining. The drifter is designed for 38mm extension- and drifter rods. The Doofor DF538L has two rotation motors for high torque. Rotation gear is robust and durable for surface and underground use.

The rock drill is equipped with a separated flushing box. Flushing can be done with water or with air.

The Doofor DF538L is designed to drill up to 57mm [2 ¼”] diameter drill holes.

Doofor DF538L rock drill
 Technical Data
 Percussion power  13 kW
 Percussion pressure  100-130 bar
 (oil flow)  (70-100 litres/min)
 Rotation motor*  32 cm3
 Speed max.  0-250 rpm
 Torque*  295 Nm
 Oil flow max.*  50 litres/min
 Gear ratio  57/22
 Lubrication  Air-oil mist, min. 150 g/h
 Flushing air pressure  5–7 bar
 Flushing air flow  700-1200 litres/min
 Flushing water pressure  12 bar
 Flushing water flow max.  40 litres/min
 Weight  83 kg

Feed force (pressure) must be adjustable during operation
*) Numbers given are for standard rotation motors (2*32cm³) at a intermittent pressure of 140bar [2031psi]. Motor options are 12.5cm³, 20 cm³, 32cm³, 40cm³ and 50cm³. For professional use only as a component of a hydraulic system.


57 mm
Optimal maximum
hole diameter
13 kW
Power class
Shank size

Doofor DF538L in action

Doofor DF538L hydraulic rock drill in action

Drilling in Norway

Doofor DF538L hydraulic rock drill in action