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LiebherrDeep foundation
MachinesAttachmentsMethodsServicesTechnologyNewsOther product segmentsOther Countries (en)

The LB 25 unplugged is a deep foundation machine with an alternative drive concept. During operation the drilling rig can be connected to a conventional electric supply or powered by battery without a cable, therefore “unplugged”. There are no restrictions in performance and application of the machine when compared to the conventional version with diesel engine.

metricimperial
  • 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

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Zero Emission
The machine causes no local emissions and significantly less noise. Thus, it is also suitable for operation in areas sensitive to noise.
Electric engine
The innovative Liebherr machine has an electric engine.
Unplugged (battery powered)
The machine can be operated by battery without a cable, therefore: unplugged.
Plugged in (socket operation)
The machine can operate fully when connected to a conventional electric supply, or be recharged within a few hours.
Easy transportation and quick set-up
Basic machine and leader can be transported in one piece with all hydraulic hoses connected. The minimized assembly work allows for quick and easy transportation of the machine between jobsites.
High operator comfort
The innovative cabin design includes a modern air-conditioning system and an optimized view from the cabin, as well as an orthopaedic operator’s seat. All switches, joysticks and pedals are ergonomically positioned.
Operating weight
71.1 - 82.1 t
Max. torque
252 kNm
Max. winch line pull
200 kN
Max. crowd force
300 kN
Drive
Electric (zero emission)
System performance
390 kW
Kelly drilling, max. drilling depth
53.2 m
Kelly drilling, max. drilling diameter
3,300 mm
Continuous flight auger drilling, max. drilling depth
24.1 m
Continuous flight auger drilling, max. drilling diameter
1,000 mm
Full displacement drilling, max. drilling depth
24.6 m
Full displacement drilling, max. drilling diameter
500 mm
Double rotary drilling, max. drilling depth
18.4 m
Double rotary drilling, max. drilling diameter
620 mm
Soil mixing, max. effective length
24.6 m
Min. transport width
3,000 mm
Min. transport height
3,400 mm
Soil mixing, max. mixing diameter
1,500 mm
MyJobsite
One single tool for the collection, documentation and analysis of all process, machine, construction site and position data.
Recording of working processes (PDE)
With the PDE process data recording system machine data is recorded during the working process.
LIPOS positioning system
Accurate positioning and precise execution of piling or drilling processes.
Ground Pressure Visualization
The Ground Pressure Visualization calculates the current ground pressure of the machine in real time and compares it with the specified safety limits of the relevant jobsite.
Remote control
The remote control simplifies the loading process for transportation as well as the assembly of the machine.
Kelly Visualization
Locking of the Kelly bar’s telescopic sections is made significantly easier due to the Kelly Visualization system.
Kelly drilling
Kelly drilling belongs to the most common dry rotary drilling methods. Soil and rock material is conveyed to the surface discontinuously with relatively short rotary drilling tools.
Continuous flight auger drilling
The loosened soil material is continuously conveyed to the surface using a continuous auger, the so-called continuous flight auger.
Full displacement drilling
Full displacement drilling is a modification of continuous flight auger drilling. The drilling tool used is a smooth pipe with an auger-type starter piece.
Double rotary drilling
Double rotary drilling combines continuous flight auger drilling with a continuous casing.
Wet soil mixing
For wet mixing a self-hardening suspension is introduced into the ground.
Down-the-hole drilling
For down-the-hole drilling a hammer is mounted on the lower end of a drill rod. The hammer is activated by adding compressed air.
Kelly Bohreimer
Kelly Bohrrohre
Kelly Bohrschnecken
Kelly Kernbohrrohre
Kelly Sonderwerkzeuge
SOB Endlosschnecken
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    LB 25 unplugged CCFA drilling

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    Battery powered drilling rigs LB 25 und LB 30 unplugged - Interview Product Management

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    Unplugged Product Launch 2022

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    MyJobsite – Your work at a glance

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    LIPOS - Liebherr Positioning System

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    Training

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    Drilling assistant

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    Diagnosis screen and remote control

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    Ground Pressure Visualization

  • Rotary drive I (casing) - max. torque - 0 - 90 kNm

  • Rotary drive I (casing) - max. speed - 0 - 32 U/min

  • Rotary drive II (auger) - max. torque - 0 - 68 kNm

  • Rotary drive II (auger) - max. speed - 0 - 44 U/min

  • Max. pile length - 19.5 m

  • Max. pile weight - 8 t

  • Leader inclination - 1:3

  • Vertical travel device - 4 m

  • Basic hammer weight max. - 9,600 kg

  • Torque - 0 - 180 kNm

  • Speed - 0 - 80 U/min

  • Torque - 252 kNm

  • Speed - 58 U/min