Drilling depth: 130m
Max. diameter initial hole: 70-300mm
Diameter of the final hole: 75mm
Main Kelly rod: 46/51x4200mm
Core drilling pipe: dia.42mm, dia.50mm
Hydraulic pump pressure: 1.2Mpa
Rotating speed of hydraulic pump: 1500rpm
Axial rotating speed: 142, 285, 570rpm
Axial travel: 450mm
Lifting ability: 9.6KN
Lifting speed: 0.41, 0.82, 1.64m/s
Steel wire diameter: 11mm
Tower height: 6.3m
Max. pressure: 1.2Mpa
Working pressure: 1.0Mpa
Slurry pump flow: 85L/min
Power source: 18HP diesel engine