2.Advantage:
1).The rig can create jobs in different formations, hole depth 150m.
2).The rig using a new type of hydraulic technology, supporting large torque hydraulic 
motor rotation and large bore hydraulic cylinder pushing, factory engine to provide power 
for the hydraulic system, the two stage air filter and air compressor air inlet design, 
prolong the service life of diesel engine.
3).Convenient pump group design unique repair, reduce repair cost. Hydraulic central control console, convenient operation.
4).The rig adopts a special crawler chassis of engineering machinery, strong cross-country performance.
5).Positioner combined, can be adjusted according to the drill pipe and the impact of different types of replacing the positioning disk, to ensure the positioning accuracy, reliable centering.

Specification for Crawler DTH Water Well Drilling Rig for Sale :

Pictures for DTH Crawler Water Well Drilling Rig for Hard Rock: