The SNR400 fully hydraulic crawler mounted water well drilling rig is suitable for small drilling projects with a maximum drilling depth of 400 meters and a drilling diameter range of 105-325mm. The air pressure is 1.2-3.5 Mpa and the air consumption is 16-55 m³/min. The SNR400 is compatible with 89/102mm drill rod. Weighing only 8.5 tons and the dimension is 6.3*1.7*2.5m, the rig is lightweight and portable, making it ideal for projects with limited working conditions and easy for workers to move.
| Item | Unit | SNR400 |
|---|---|---|
| Max drilling depth | m | 400 |
| Drilling diameter | mm | 105-325 |
| Air pressure | Mpa | 1.2-3.5 |
| Air consumption | m³/min | 16-55 |
| Rod length | m | 6 |
| Rod diameter | mm | 89/102 |
| Main shaft pressure | T | 4 |
| Lifting force | T | 22 |
| Fast lifting speed | m/min | 29 |
| Fast forwarding speed | m/min | 56 |
| Max rotary torque | N.m | 8000/4000 |
| Max rotary speed | r/min | 75/150 |
| Small secondary winch lifting force | T | 1.5 |
| Jacks stroke | m | 1.6 |
| Drilling efficiency | m/h | 10-35 |
| Moving speed | Km/h | 3 |
| Weight of the rig | T | 8.5 |
| Dimension | m | 6.3*1.7*2.5 |