Stable Performance, Excellent Efficiency 1. The machine is of integrated design, very nice streamline overall looking. 2. Compact structure, moderate size, matches with φ73×3000mm drill pipe, by consideration of the requirements of high efficiency construction and small workplace. 3. Equips with Cummins engine, strong power, stable performance, low fuel consumption, low noise, environmental protection, suitable for construction even in down town. 4. Power head rotating device driven by famous brand orbit motor, bit torque, high rotating speed, stable performance, good holing effect, high construction efficiency. 5. 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.

Model	GD25
Engine	Cummins, 132KW
Max torque	8000N.m
Push-pull drive type	Rack and pinion
Max push-pull force	250KN
Max push-pull speed	30m/min.
Max slewing speed	120rpm
Max reaming diameter	900mm (depends on soil condition)
Max drilling distance	300m (depens on soil condition)
Drill rod	φ73x3000mm
Mud pump flow	250L/m
Mud pump pressure	8Mpa
Walking drive type	Crawler self-propelling
Walking speed	2--4km/h
Entry angle	12-22°
Max gradeability	18°
Overall dimensions	6000x2150x2400mm
Machine weight	8000kg

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. 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. 8. Wide operating platform with human-machine designed , the seat can be moved forward and backward, the cabin is of wide range view, convenient and comfortable for operation. 9. The electrical circuits is of simple design, low breakdown, convenient for maintenance.