ZR255H rotary drilling rig, heavy-duty structure, stable performance for complex foundation piling projects.
| Model | ZOOMLION ZR255H |
| Max.drilling diameter | 2000 mm |
| Max.drilling depth | 56/70 m |
| Max.output torque | 260 kN·m |
| Rotary speed range | 6-30 rpm |
| Crowd foece push | 220 kN |
| Crowd force pull | 260 kN |
| Max.stroke crowd | 5.3 m |
| Rated power of engine | 264/2200 kW |
| Emission | Stage III |
| Operation weight | 84 t |