| Model | GLF400 |
| Max. drill depth | 300m |
| Drill diameter | 105-305mm |
| Working air pressure | 1.2-3.5 MPa |
| Air consumption | 16-55 m³/min |
| Drill rod length | 3m |
| Drill rod diameter | 102mm |
| Axial pressure | 6t |
| Lifting force | 22t |
| Slow lifting speed | 4m/min |
| Slow feed speed | 0.5-8m/min |
| Fast lifting speed | 20m/min |
| Fast feed speed | 32m/min |
| Rotation torque | 8000Nm; 4000Nm |
| Rotation speed | 0-75r/min |
| 0-150r/min | |
| Small winch lifting force | 1.5t |
| wire rope length | 60m |
| Feeding efficiency | 10-35m/h |
| Grade ability | 21° |
| Weight | 11t |
| Whole dimension | 6.2*1.85*2.8 m |
| Application formation | Loose layer and bedrock |
| Drill method | Air reverse circulation drilling, down-the-hole hammer drilling |
| Hammer | Middle pressure and high air pressure series |
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