Product Features: 1. Integrated crawler traveling device, mud pump, control panel into one whole; 2, Caterpillar walking, base support, mast landing are all driven by the hydraulic system of drilling rig, it is easy to operate; 3. It is easy to move around and from or to at work site, improve the drilling efficient, and reduce the intensity of labor; 4. Mast landing, folding function for easy walking and transportation. 5. Have more speeds (8-speed), reasonable speed range, and big torque at lower speed, wide applications; 6. Having two reverse speeds, it is easy to handle the accidents. 7. The feed stroke of spindle is 600 mm, help to improve drilling efficiency, reduce blocking and burning of bit, easy to handle drilling accidents. 8. Twin-gear oil pump to supply oil for the hydraulic system of drilling rig, less power consumption, lower temperature of the hydraulic system. 9. Few control levers, reasonable layout, flexible and reliable manipulation. 10. Have normally a closed hydraulic chuck, also equipped with a lower mechanical manual chuck.