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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.
Integrated control system
The rotary drive is completely integrated in the control system of the Liebherr carrier machines. This provides optimum control comfort.
Exchangeable drive adapters
Exchangeable drive adapters allow for the use of various Kelly bars.
Exchangeable cardan joints
These cardan joints can be exchanged to suit the size of the casing driver.
Kelly shock absorber
The standard Kelly shock absorber with springs and hydraulic dampers protects the material and reduces noise emission.
Continuous flight auger drilling
The loosened soil material is continuously conveyed to the surface using a continuous auger, the so-called continuous flight auger. more
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. more