ZR400U rotary drilling rig, large torque capacity, delivers stable output for heavy piling construction.
| Model | ZOOMLION ZR400U |
| Max.drilling diameter | 3000 mm |
| Max.drilling depth | 107/70 m |
| Max.output torque | 400 kN·m |
| Rotary speed range | 6-28 rpm |
| Crowd foece push | 400 kN |
| Crowd force pull | 400 kN |
| Max.stroke crowd | 22.8m |
| Rated power of engine | 373 kW |
| Emission | Stage V |
| Operation weight | 156 t |