Product segments

Please enter your search text

Search text

EnglishEnglish
LiebherrDeep foundation
MachinesAttachmentsMethodsServicesTechnologyNewsOther product segmentsCanada (en)

Double-start auger starter with round shank chisels, calibrating cutter without pilot positioned opposite. Concrete discharged behind the main cutter. The opening can be closed during the drilling process with a single-use plastic cover.

metricimperial
  • Diameter - 520 - 770 mm

  • Type - Heavy duty

  • Connector - octagonal - 175 mm Spanner width

  • Effective length - 1,000 mm

  • No. of cutters - double-start

  • Pilot - none

  • Casing - cased

  • Range of application - Very densely compacted sand and gravel, as well as fissured rock

  • Equipment - Cutters and flights are provided with wear protection.

product image 0
Max. torque
250 kNm
Max. pull force
750 kN
Outside diameter hollow stem
254 mm
Inside diameter concrete supply pipe
125 mm
VariantsCCFA-AU-RSC2i-HD 1mØ 520mm for casing Ø 620/540 mmCCFA-AU-RSC2i-HD 1m Ø 650 mm for casing Ø 750/670 mmCCFA-AU-RSC2i-HD 1m Ø 770 mm for casing Ø 880/800 mm
Diameter (mm)520650770
Casing outside diameter (mm)620750880
Casing inside diameter (mm)540670800
Effective length (mm)1,0001,0001,000
Total length (mm)1,3501,3501,350
Weight (kg)298526616
Flight pitch (mm)400500600
Article no.136209571362106213620833
  • Operating weight - 59.4 t

  • Max. torque - 180 kNm

  • Kelly drilling, max. drilling depth - 34.5 m

  • Kelly drilling, max. drilling diameter - 1,500 mm

  • Operating weight - 52.8 t

  • Max. torque - 200 kNm

  • Kelly drilling, max. drilling depth - 34.5 m

  • Kelly drilling, max. drilling diameter - 1,500 mm

  • Operating weight - 69.3 - 79.9 t

  • Max. torque - 252 kNm

  • Kelly drilling, max. drilling depth - 53.2 m

  • Kelly drilling, max. drilling diameter - 3,300 mm

  • Operating weight - 71.1 - 82.1 t

  • Max. torque - 252 kNm

  • Kelly drilling, max. drilling depth - 53.2 m

  • Kelly drilling, max. drilling diameter - 3,300 mm

  • Operating weight - 73.6 - 84.6 t

  • Max. torque - 297 kNm

  • Kelly drilling, max. drilling depth - 70.8 m

  • Kelly drilling, max. drilling diameter - 3,400 mm

  • Operating weight - 75.5 - 85.5 t

  • Max. torque - 297 kNm

  • Max. crowd force - 320 kN

  • Kelly drilling, max. drilling depth - 70.8 m

  • Kelly drilling, max. drilling diameter - 3,400 mm

  • Scope of delivery - Box 6 pc.

  • Type - Chisel holders

  • Scope of delivery - includes 1 x O-ring

  • Type - Pins

  • Range of application - Connectors CFA / CCFA

  • Scope of delivery - Box 15 pc.

  • Type - Pins

  • Range of application - Connectors CFA / CCFA

  • Type - Single-use cover

  • Range of application - Augern CFA / CCFA