| Model | HFJ220A | 
| Max. Drilling Depth | 220 m | 
| Drilling diameter | 90-254 mm | 
| Working air pressure | 1.05-2.46 MPa | 
| Air flow | 16-30m³/min | 
| Length of drill rod | 3m | 
| Drill rod diameter | 76/89 mm | 
| Axle pressure | 4T | 
| Lifting force | 12T | 
| Rate of ascent | 2.5 m/min | 
| Pull speed | 0.5-5 m/min | 
| Fast ascent speed | 18 m/min | 
| Fast pulling speed | 35 m/min | 
| Max. rotation torque | 4200-5600Nm | 
| Rotation speed | 48-70 rpm | 
| Drilling pump consumption | 20 l/min (optional) | 
| High hydraulic travel of the support | 1.5 m | 
| Walking speed | 2.5 km/h | 
| Ability to overcome inclines | 30° | 
| Weight | 4.7 t | 
| Measurement | 3600*1700*2150 mm | 
| Power | 55 kW |