DL331 Longhole drill rig

Sandvik DL331 is an electro-hydraulic, top-hammer, longhole drill rig engineered for work in underground mining in drifts with cross sections of 3 x 3 meters (10 x 10 feet) or larger. This one-man-operated rig is capable of drilling vertical and incline plane rings, and single or parallel long holes with a diameter of 51 to 76 millimeters (2 to 3 inches), and a depth of up to 23 meters (75 feet).


  • Boom with 360° rotation and wide swing and tilt angle for good usability in many drilling applications
  • Undercarriage layout designed for good visibility, mobility and balance
  • Operating and maintenance interface designed for easy access and fast operation
  • Control system fitted with automatic functions for optimal performance and drilling accuracy