1. Equips with Cummins engine, strong power, stable performance, low fuel consumption, low noise, environmental protection. 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. Compact structure, moderate size, matches with φ83x3000mm drill pipe, by consideration of the requirements of high efficiency construction and small workplace. 4. 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. 5. 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.

Model	GD50
Engine	Cummins, 194KW
Max torque	29000N.m
Push-pull drive type	Rack and pinion
Max push-pull force	500KN
Max push-pull speed	45m / min.
Max slewing speed	120rpm
Max reaming diameter	1200mm (depends on soil condition)
Max drilling distance	500m (depends on soil condition)
Drill rod	Φ83x3000
Mud pump flow	600L/m
Mud pump pressure	10Mpa
Walking drive type	Crawler self-propelling
Walking speed	2.5--5km/h
Entry angle	12-20°
Max gradeability	18°
Overall dimensions	7200x2300x2500mm
Machine weight	13000kg

6. 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. 7. 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. 8. The electrical circuits is of simple design, low breakdown, convenient for maintenance.