Stable Performance, Excellent Efficiency 1. The machine is of integrated design, very nice streamline overall looking. 2.Power head rotating device driven by famous brand orbit motor, bit torque, high rotating speed, stable performance, good holing effect, high construction efficiency. 3.Power head push-pull device adopts famous brand orbit motor, push-pull has two speeds for option, the quick speed during construction is far ahead other competitors. 4. Adopts first class hydraulic walk driving device, simple and convenient for operation, fast and convenient for loading to and unloading from truck and transferring between job sites.

Model	GD12
Engine	Cummins, 75KW
Max torque	4000N.m
Push-pull drive type	Rack and pinion
Max push-pull force	160KN
Max push-pull speed	35m/min.
Max slewing speed	150rpm
Max reaming diameter	600mm (depends on soil condition)
Max drilling distance	180m (depens on soil condition)
Drill rod	φ50x2000mm
Mud pump flow	160L/m
Mud pump pressure	8Mpa
Walking drive type	Crawler self-propelling
Walking speed	2.5--4.5km/h
Entry angle	12-22°
Max gradeability	18°
Overall dimensions	4200x1800x2000mm
Machine weight	4000kg

5. Compact structure, moderate size, matches with φ50×2000mm drill pipe, by consideration of the requirements of high efficiency construction and small workplace. 6. Power head rotating and push-pull hydraulic system adopts advanced series-parallel controlling technology and famous brand hydraulic components, with independent radiating system, reliable and stable, high working efficiency and energy saving. 7. The electrical circuits is of simple design, low breakdown, convenient for maintenance. 8.Equips with Cummins engine, strong power, stable performance, low fuel consumption, low noise, environmental protection, suitable for construction even in down town.