WTLZ-20, offroad truck-mounded gravel drilling rig is designed with comprehensive functions used in complex areas such as Plain, Gravel, Gobi area. The drill is mounted on a powerful 6× 6 TIEMA off-road chassis and takes off power from truck engine directly. It can be operated with mud, air, DTH air hammer and air reverse-flushing drilling.
Comfortable cab, high power output, high off-road ability and easy to operate
Hydraulic system adopts duplex-pump and hoisting motor, a balance valve in pulldown system to increase stability during drilling
Power swivel design with double motor
Piston type or screw type air compressor optional
Supplied with 8.6m mast for 6m long drill pipe
Pressurized water tank with optional heating device for low ambient temperature
New type of drilling pipe to increase the efficiency of drilling.
Air drilling, air hammer drilling
Engine rating speed(rpm)