| After-sales Service: | Yes |
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| Warranty: | 12 |
| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
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HW925-1 integrated DTH drill rig operation platform, tramming components, hydraulic system,
feed beam & rotary head are upgraded from the original 410C tooptimize the functional capability of the drill rig.
| air compressor built-in surface DTH mine drilling rig for quarry | |
| Model | HW421 |
| Machine Weight | 6800kg |
| Engine | Yuchai 162 kW |
| Drill Pipe Sizes | 60 X 3,000 mm |
| Hole Dia | 80-115 mm |
| Working Pressure | 15 bar |
| F.A.D | 12 m3/min |
| Tramming Speed ( Max.) | 3 km/h (High Speed) |
| Gradient | 25° |
| Track Frame Oscilation | ±10° |
| Transportation Dimensions | 6000X2800X2750 mm |
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