Hydraulic jumbo drills


Joy NV 1

  Collaring
  Anti-jamming
  Automatic water monitoring with feed return if low pressure is encountered
  Auto return to start position after hole completion
  Control levers for operating percussion, rotation, and feed
  Jumbo hydraulics: load-sensing, closed-circuit design for percussion, rotation, feed, and boom movements
  General hydraulics: load-sensing, closed center circuit design for optimal efficiency
  Steering hydraulics: load-sensing, closed center circuit design; stick steering with direct-acting control valve and two double-acting steer cylinders
Joy Vein Runner II

  Weight 10,955 kg
  Maximum width 1.42 m
  Turning radius Inside 3.05 m
  Turning radius Outside 5.08 m
  Turning angle 40º
  Boom guide rollover 360º
  Boom extension 914 mm
  Feed extension 1219 mm
  Boom coverage Height 5.1 m
  Boom coverage Width 5.77 m
  Drifter Montabert HC 50 (2)
  Tires 10.00 x 20
  Cable reel - type G-GC 76.2 m
Joy DR-1SB

  Weight 14,880 kg
  Maximum width 2.06 m
  Turning radius Inside 4.19 m
  Turning radius Outside 6.48 m
  Turning angle 38º
  Boom guide rollover 360º
  Boom extension 914 mm
  Feed extension 1.52 m
  Boom coverage Height 5.46 m
  Boom coverage Width 5.46 m
  Drifter Montabert HC 50
  Tires 12.00 x 20
  Cable reel - type G-GC 76.2 m
Joy RR-1MB

  Weight 16,545 kg
  Maximum width 2.06 m
  Turning radius Inside 4.19 m
  Turning radius Outside 6.48 m
  Turning angle 38º
  Boom guide rollover 360º
  Boom extension 1219 mm
  Feed extension 1.524 mm
  Boom coverage Height 6.07 m
  Boom coverage Width 5.69 m
  Drifter Montabert HC 50
  Tires 12.00 x 20
  Cable reel - type G-GC 76.2 m
Joy DR-2SB

  Weight 18,370 kg
  Maximum width 2.08 m
  Turning radius Inside 3.76 m
  Turning radius Outside 6.68 m
  Turning angle 38º
  Boom guide rollover 360º
  Boom extension 914 mm
  Feed extension 1.52 m
  Boom coverage Height 5.49 m
  Boom coverage Width 7.04 m
  Drifter Montabert HC 50 (2%)
  Tires 12.00 x 20
  Cable reel - type G-GC 76.2 m