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Main feature:
1. Pneumatic drilling rig, with air compressor, the efficiency is equivalent to 10~15 times of ordinary drilling rig.
2. It is easy to connect and unload the drill pipe, shorten the auxiliary time, and also facilitate the drilling with the pipe.
3. This compact and powerful multi-purpose rig has a small footprint, allowing users to drill in areas with difficult terrain and limited space.
| Model | HQZ220L | HQZ220L |
| Drill Mast(m) | 3 | 3 |
| Chassis | Rubber track | Steel track |
| Drilling diameter(mm) | 130-254 | 130-254 |
| Drilling depth(m) | 220 | 220 |
| one-time advance length(m) | 3.6 | 3.6 |
| Walking Speed(km/h) | 2.5 | 2.5 |
| Gradeability | 30 | 30 |
| Engine brand | Yunnei | Yunnei |
| Main motor power | 60kw | 60kw |
| Working pressure(mpa) | 1.45-2.5 | 1.45-2.5 |
| Air consumption(m³/min) | 17-31 | 17-31 |
| Drill pipe diameter(mm) | 76/89 | 76/89 |
| Drill pipe length(m) | 1.5/2.0/3.0 | 1.5/2.0/3.0 |
| Lifting force(t) | 15 | 15 |
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