Pit Viper 351: Rotary blasthole drill rig - Large-range - Atlas Copco Libya

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Pit Viper 351: Rotary blasthole drill rig - Large-range

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Rotary Drilling up to 16” (406mm) – Single pass

The Pit Viper Series 351 blasthole drill opens the door to new applications and technological solutions. Using either vertical or angle single pass drilling, it can drill a hole as big as 16” (406 mm) in diameter and down to depths of 65 ft (19.8m). The PV-351 currently operates in more than 10 countries.


Features & benefits

  • Patented high strength cable feed system with automatic cable tensioning and hydraulic double acting feed cylinders
  • The 65 ft (19.8 m) single pass tower provides a total depth capacity of 135 ft (41 m) utilizing a 2-rod carousel holding four 35 ft (10.7 m) rods
  • The “live tower” design enables the operator to raise and lower the tower with the rotary head at the top and the rods in place
  • Excellent serviceability and a maintenance friendly machine
  • Rig Control System (RCS) provides a computerized control system platform, allowing automated drill functions as well as built-in safety interlocks
  • Optional Atlas Copco patented angle drilling package, allows the tower to be positioned up to a maximum of 30 degrees from the vertical


Technical data

Technical Specifications
Product seriesLarge-range drilling rigs
Drilling methodRotary - Single pass
Hole diameter270 - 406 mm
Hydraulic pulldown534 kN
Hydraulic pullback267 kN
Weight on bit56700 kg
Single pass depth19.8 m
Maximum hole depth41.1 m
Estimated weight175 - 188 t
Hole diameter270 - 406 mm

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Customer Request

+202 46100337/8

Send an email