DL321 Longhole drill rig

Sandvik DL321 is an electro-hydraulic, longhole drill rig engineered for small- and medium-scale production drilling in underground mines. This versatile rig is designed for vertical and inclined plane rings and fans, as well as parallel long production holes and long single holes. It is capable of drilling holes with a diameter of 64 to 89 millimeters (2 ½ to 3 ½ inches) with a depth of up to 38 meters (125 feet).


  • Boom with 360° rotation and wide tilt angle for good usability in many drilling applications
  • Simple and proven technical solutions for efficient and reliable operations
  • Rigid boom and feed construction for optimal drilling accuracy
  • Good stability for fast tramming even in tough road conditions
Technical data
Engine power 74 kW
Boom / Mast type ZR 20
Carrier type NC 5
Engine type Deutz TCD2012, Tier 3