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LiebherrDeep foundation
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Deep FoundationAttachmentsBAT 550

The powerful rotary drive delivers the required torque for common drilling applications such as Kelly, continuous flight auger or full displacement drilling. Considerable advantages are the automatic torque regulation as well as four electronically adjustable speed ranges. The rotary drive is powered by the on-board hydraulics of the LB carrier machine. Designed for continuous operation, the rotary drive enables especially fast drilling cycles.

metricimperial

  • Torque - 550 kNm

  • Speed - 34 U/min

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Automatic gearbox
Four electronically adjustable speed ranges and automatic torque regulation allow for perfect adaption to the prevailing soil conditions. The drilling process is not interrupted through changing speed.
Kelly shock absorber
The standard Kelly shock absorber with springs and hydraulic dampers protects the material and reduces noise emission.
Exchangeable cardan joints
These cardan joints can be exchanged to suit the size of the casing driver.
Exchangeable drive adapters
Exchangeable drive adapters allow for the use of various Kelly bars.
Integrated control system
The rotary drive is completely integrated in the control system of the Liebherr carrier machines. This provides optimum control comfort.
Easy transport and maintenance
Thanks to the short and lightweight design, the rotary drive is extremely efficient as well as user-friendly in terms of transportation and maintenance.
Torque
550 kNm
Speed
34 U/min
Automated casing driver
Automated casing drivers allow for quick and safe connection of rotary drive and casing from the comfort of the cabin. Locking and unlocking is also possible without rotation.
Exchange of equipment
Equipment can be quickly exchanged for different methods of operation.
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.
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.

  • Operating weight - 162.5 - 178.2 t

  • Max. torque - 557 kNm

  • Kelly drilling, max. drilling depth - 120.4 m

  • Kelly drilling, max. drilling diameter - 4,800 mm

Sales and Service

Our customers can rely on a worldwide sales and service network. Search here for the right contact partner.

Brochure

Our new brochure “Solutions for Deep Foundation Work” contains details of machines, tools and applications.

Drilling tools

Drilling tools vary depending on the drilling diameter, drilling depth and the ground conditions.

Used machines

Do you prefer a used machine? Find construction machines persuasive by experience.

Foundation methods

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

Customer service

Our Customer Service aims to effectively help in maintaining Liebherr equipment at its best.

Application technology

Our application specialists assist with the correct choice of application and the most suitable machine configuration.

Digital solutions

We offer a number of IT solutions, which provide substantial support for all those involved in the construction site.