Montabert HC20 Hydraulic Drifter

  • Easy maintenance with long intervals and maintenance kits available
  • Simple fixing plate and low installation cost
  • High input/output efficiency ratio, for reduced and optimised energy consumption
  • Inline rotation patented system with no gear box and high torque
  • No tie rods; single body drifter prevents seizing and breakage issues
  • Short and robust body for all small diameter rock drilling applications
  • Uses integral steel or standard rods
  • Suitable for air or water flushing applications

HC 20 Drifter, 4.5kW

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  • Weight and dimensions

     Weight  69 kg
     Overall length without shank  552 - 700 mm
     Overall length with shank  752 - 793.7 mm
     Overall width  200 mm
     Height  191.5 mm
     Height above shank axis  83.5 mm

    Impact rating

     Maximum output  4.5 kW
     Percussion flow range (max)  45 l/min
     Percussion pressure range (max)  140 bar
     Maximum impact frequency  3,000 bpm
     Maximum impact energy  75 J

    Rotation specs

       67 cc  100 cc  160 cc
     Maximum rotation speed (RPM)  422  300  300
     Oil flow (l/min)  30  30  48
     Maximum pressure (bar)  140  175  175
     Maximum torque (Nm)  143  251  401

    Flushing flow and pressure

     Water flushing  40 l/min
     Front end lubricating air consumption at 3 bar  200 l/min
    • Shank adapters
    • Overhaul kits