Zhengzhong Technology Industrial Co. , Ltd.，
To survive in good faith, to quality and development
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Parameter
| DR-90 | |
| Working mode | hydraulic oil cylinder pressure |
| Drilling diameter (mm) | Φ500-Φ1600 |
| drilling depth (m) | 5-15m |
| Diamension (mm) | 9600X2300X3200mm |
| Total weight (t) | 17T |
| Power head max output torque (KN.m) | 30KN.m |
| Rotary speed (r/min) | 10-50RPM |
| Main winch max lifting force | 120KN |
| Main winch max lifting speed | 50m/min |
| Assisting winch max lifting force | 15KN |
| Assiting winch max lifting speed | 50m/min |
| Mast sidewards inclination | ±4° |
| Mast forwards inclination | 4° |
| Max working pressure | 32Mpa |
| pilot pressure | 3.5Mpa |
| Travelling speed (km/h) | 2 km/h |
| Diesel engine power (KW) | 110KW ,cummins ,water cooling ,turbo charger |
