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| Model | HW-350S |
| Engine | Yuchai Power |
| Power | 91KW |
| Main Pump | — |
| Max Drilling Depth | 350m |
| Drilling Diameter | 105～305mm |
| Working Air Pressure | 1.2～3.5 MPa |
| Air Consumption | 16-55 m³/min |
| Drill Pipe Length | 3m/6m |
| Drill Pipe Diameter | Φ89/Φ102 |
| Hoisting Capacity | 3t / 16t |
| Slow Lifting Speed | — |
| Fast Lifting Speed | 30m/min-55m/min |
| Rotation Torque | 8500/4250Nm |
| Rotation Speed | 0-80r/min; 0-160r/min |
| Drilling Efficiency | 10-35m/h |
| Walking Speed | 2.5m |
| Climbing Ability | 21° |
| Machine Weight | 7.5t |
| Dimensions (L×W×H) | 5.78×1.7×2.25m |
| Suitable Terrain | Loose strata and bedrock |
| Drilling Method | Down-the-hole hammer drilling |
| Hammer Type | High air pressure series |
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