DBA 250 Double rotary drive (DBA Series)

The double rotary drive distinguishes with its slim design. The inner continuous flight auger is driven independently from the casing by two separate rotary drives.
Gallery loading.
Rotary drive I (casing) - max. torque 0 - 250 kNm
Rotary drive I (casing) - max. speed 0 - 30 U/min
Rotary drive II (auger) - max. torque 0 - 109 kNm
Rotary drive II (auger) - max. speed 0 - 42 U/min


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Attachment recognition

Attachment recognition

The automatic attachment recognition also records performance figures of the respective attachment. more

Rotary drive I (casing) - max. torque 0 - 250 kNm
Rotary drive I (casing) - max. speed 0 - 30 U/min
Rotary drive II (auger) - max. torque 0 - 109 kNm
Rotary drive II (auger) - max. speed 0 - 42 U/min
Double rotary drilling

Double rotary drilling

Double rotary drilling combines continuous flight auger drilling with a continuous casing. more

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Foundation methods

Deep foundation machines from Liebherr can be applied for all common drilling methods, for slurry wall installation and soil improvement. Methods and applications

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