The Sandvik DE840 heavy-duty, multi-purpose exploration drill rig is ideal for deep reverse circulation or diamond coring holes. It is a highly productive and efficient drill rig that features a simple design for easy maintenance, and standard safety features for more efficient working hours and fewer disruptions. highly capable multi-purpose drill rig that features a larger footprint to accommodate additional options and maximum flexibility between drilling methods.

  • Diamond Core drilling
  • Reverse Circulation drilling
  • Rotary drilling technique
  • 9m (30ft) rod pull capacity


Depth capacity N wireline drill rod H wireline drill rod P wireline drill rod Reverse Circulation
2223 m 1489 m 1006 m 525 m – 4″ drill pipe
Feed force 113 kN
Feed length 7320 mm
Feed stroke 7.32 m
Feed weight 11523 kg
Rpm of rotation head (max) 1360 rpm
Max torque of rotation head 14324 Nm
Pull force 23 t
Compressor size (if fitted) 1150 cfm @ 350 psi/900 cfm @ 500 psi
Engine type Diesel Cummins QSL9
Feed rate 65.4 M/min up/ 49 M/min down
Main winch capacity 21.4
Terrain access ability Hydraulic operated left-hand walkway
Water pump specification Hydraulic driven, FMC Bean W1122