401-2 KR Drill Rigs from BAUER Maschinen Group

The drill rig KR 401-2 has been designed for jet grouting but can also be used for other drilling systems. The standard drill mast with 6300 mm length can be extended to a total length of 15900 mm with three lattice mast extensions of 3000 mm each (max. drill depth in single-pass operation is approx. 12500 mm).

For jet grouting (one, two or three phase-system) the rotary head KH 9SK with mandril and holding capacity up to ø 88,9 mm is available.

Further technical details:

Crawler with 360° slewing gear

4 stabilizers with individual control

Axial shift of drill mast 1250 mm

Side inclination of drill mast with full equipment out of vertical position ± 15° (± 45° without lattice mast extension)

Hydraulic clamping device type F for casings up to ø 133 mm