
Specification for High Quality HC726A Crawler Rock Borehole Drilling Rig for Quarry
| Model (DTH drilling rigs ) | HC726A1 |
| Rock hardness | 6~20 |
| Hole diameter (mm) | 90~130(standard 90) |
| Drill depth(m) | 25 |
| Climb ability | 25° |
| Feeding mode | cylinder |
| Feeding stroke (m) | 3 |
| Max. Lifting force (kN) | 15 |
| Rotating torque (N·m) | 1800 |
| Rotating speed (r/min) | 0~90 |
| Working pressure(Mpa) | 0.7~1.6 |
| Air consumption(m3/min) | 7~15 |
| Power of engine(KW) | 40 |
| Drill boom-oscillation angle | Left30°- Right30° Or 90° |
| Walking speed(km/h) | 2.5 |
| Distance off ground(mm) | 300 |
| Overall dimension(mm) | 5260×2045×1950 |
| Whole weight(kg) | 4200 |
Matching Air Compressor: 
Specification for HG550-13C Diesel Screw Air Compressor:







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