Grab drilling

    
        

Drilling with bored pile grab is one of the oldest dry drilling methods and is still common today. Depending on the tools used, e.g. bored pile grab, chisel or special tools hanging on a duty cycle crawler crane, the soil is loosened either by cutting or impact driving. This method is applied, for instance, for well drilling with small drilling diameter or for the production of cast-in-place piles with sometimes very large diameters.

  • Carrier machine

  • Boom

  • Pile grab

  • Grab jaw

  • Casing oscillator

  • Casing

        
    
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Video drilling with hammer grab

The video shows duty cycle crawler cranes from Liebherr in drilling operation with hammer grab at various construction sites.

Machines

HS 8040.1 Duty cycle crawler crane

New HS 8040.1
  • Max. lifting capacity 40 t
  • Engine power 230 kW
  • Max. winch line pull 2 x 120 kN
  • Max. main boom 41.00 m
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HS 8070.1 Duty cycle crawler crane (HS series)

New HS 8070.1
  • Max. lifting capacity 70 t
  • Engine power 320 kW
  • Max. winch line pull 2 x 200 kN
  • Max. main boom 50.00 m
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HS 8100.1 Duty cycle crawler crane

New HS 8100.1
  • Max. lifting capacity 100 t
  • Engine power 390 kW
  • Max. winch line pull 2 x 275 kN
  • Max. main boom 59.00 m
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HS 8130.1 Duty cycle crawler crane

  • Max. lifting capacity 130 t
  • Engine power 565 kW
  • Max. winch line pull 2 x 350 kN
  • Max. main boom 53.00 m
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HS 8200 Duty cycle crawler crane

  • Max. lifting capacity 200 t
  • Engine power 750 kW
  • Max. winch line pull 2 x 350 kN
  • Max. main boom 68.00 m
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