Product description

A combination of increased pulldown force, rotary torque, and 2600 cfm airend, the Pit Viper 291 drill rig is one of the most powerful drills for blasthole drilling. Tested and proven throughout differing regions and conditions around the world, the new Pit Viper 291 exceeds all in its class. When it comes to drilling single-pass holes up to 59 ft (18 m) with diameters up to 12-1/4 in (311 mm), the PV-291 proves itself time and time again. With a 85,000 lb (38 tonnes) bit load capacity, the new PV-291 can bring unsurpassed performance to your operation.


If technology, productivity, and long asset life with the lowest total cost of ownership are on your list of priorities, look no further than the Pit Viper series. Equipped with a standard Rig Control System (RCS) operating platform, the new PV-291 raises the bar for efficiency.


Main application area

Rotary blasthole drilling

Drilling method

Rotary Single-pass

Product family

Pit Viper



Single-pass depth

18 m

Maximum hole depth

33,2 m

Weight on bit

38 555 kg

Pulldown capacity

0 kN - 355,8 kN

Pullback capacity

0 kN - 156 kN


Product variations apply. See brochure for more information.