XR400E Used Rotary Drilling Rig

The XR400E rotary drilling rig is a kind of construction machinery suitable for cast-in-place concrete piles and foundation hole forming operations in building foundation projects. It is widely used in the construction of ports, highways, railways, bridges, high-rise buildings and other foundations.

It consists of a crawler chassis and a drilling upper part, and different drilling tools can be chosen according to different layers to work with friction or mechanical interlocking Kelly bars and crowd cylinder or crowd winch to achieve drilling.

The double swing arm luffing mechanism ensures good construction stability and transport convenience. The technology of single-row rope main winch greatly prolongs the service life of wire rope and imported Cummins EFI engine ensures strong power. The extended functions like casing driving improve use efficiency.