The principle of the Hurricane is based on a friction drum and a rotor running in different directions, thus creating friction of the material fed to the machine. It serves for rounding aggregates for the concrete industry or for washing out impurities like sticky sand conglomerations.

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HS 1

  • Capacity: 20 – 40 t/h
  • Drive power drum: 30 kW
  • Drive power rotor: 55 kW
  • Drum diameter: 1.485 mm
  • Drum length: 2.070 mm
  • Weight: 13.500 kg

HS 5

  • Capacity: 50 – 100 t/h
  • Drive power drum: 55 kW
  • Drive power rotor: 132 kW
  • Drum diameter: 1.800 mm
  • Drum length: 3.100 mm
  • Weight: 20.500 kg

Hydraulic clamshell grabs

Available Clamshell bucket designs:

  • with round shells – type “WHALE”
  • with straight shells – type “PIKE”

All clamshell buckets are prefabricated for the installation of the service and diagnostic system.

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  • Excellent digging performance due to optimized clamshell bucket design
  • Torsionally rigid and sturdy steel construction which remains non warping and crack-free even under extreme loads
  • Low wear and long service due to the use of high quality, wear resistant steels
  • Maintenance-free bearing systems, both shell pivots and cylinder rod bearings
  • Easy-to service placing of the hydraulic units, hydraulic tank and motor
  • Clamshell bucket teeth are exchangeable, adapted to ground conditions

The patented ROHR-IDRECO underwater motor clamshell grab combines excellent digging performances with low wear and a long lifespan thanks to the use of high-quality, wear-resistant steel. These clamshell grabs come in an optimised design and can be supplied with straight cutting edges for a normal service (PIKE type) or with bent or round cutting edges for heavy-duty services (WHALE type), respectively.