DU311 Articulated in-the-hole production drill rig

Sandvik DU311 is a center-articulated, carrier-mounted in-the-hole (ITH) drill rig designed for high mobility and utility in underground mining. This compact machine was developed with an on-board reciprocating booster for the productive drilling of holes with a diameter of 89 to 216 millimeters (3 1/2 to 8 1/2 inches). It can also be configured for 762-millimeter (30-inch) slot raises.​


  • On-board reciprocating booster increases productivity and mobility
  • Rubber-tired, compact articulated carrier ensures maneuverability
  • Different mast and carousel configurations for production drilling or service hole applications offer flexibility
  • High-accuracy in-the-hole drilling delivers enhanced profitability with the lowest cost per ton
Technical data
Engine power 100 kW
Feed length 1,370 mm
Hole diameter 89 - 216 mm
Operating dimension 6,345 x 2,129 x 3,500 mm
Tramming dimensions 5,464 x 1,829 x 3,140 mm
Boom / Mast type Heavy hoist, blind bore split centralizer
Carrier type DU311-T long
Control system ERIS panel-CanBus
Engine type Deutz diesel (D914L4 tier 4i, 20 L)