Continuous flight auger (CFA) drilling rig DL331

continuous flight auger (CFA) drilling rig
continuous flight auger (CFA) drilling rig
continuous flight auger (CFA) drilling rig
continuous flight auger (CFA) drilling rig
continuous flight auger (CFA) drilling rig
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Drilling type
continuous flight auger (CFA)
Drilling unit
Other characteristics
hydraulic, for underground mining
Drilling diameter

Max.: 76 mm (3 in)

Min.: 51 mm (2 in)

Drilling depth

23 m (75'05")

Machine weight

15,500 kg (34,171.7 lb)

Motor power

70 kW (95.17 hp)

Overall length (when moving)

11,285 mm (444 in)

Overall width (when moving)

2,050 mm (81 in)

Overall height (when moving)

2,670 mm, 2,920 mm (105 in)


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) Advantages 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 Sandvik DL331 is a fully-mechanized, highly versatile and compact electro-hydraulic top hammer longhole drill designed for underground mining in 3 x 3 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø51…76 mm longholes up to 23 meters in depth, using R32, T38 and T45 rock tools. The DL331 is mounted on a 4-wheel drive frame-steered and diesel-powered carrier. It is equipped with the RDX5 hydraulic rock drill, LHF2000 feed, ERCH12 rod handler, SB60P boom, THC562 hydraulic control system and operator’s safety cabin for maximum productivity, safety and hole accuracy. The 360° drilling module rotation and wide boom swing and tilt angles make the unit suitable for most mining methods and various service support applications. The THC562 drilling control system is fitted with automatic features for maximum productivity in varying rock conditions, in up- and downhole drilling
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.