ZR300D rotary drilling rig, reinforced mainframe, strong adaptability for harsh geological conditions.
| Model | ZOOMLION ZR300D |
| Max.drilling diameter | 2500 mm |
| Max.drilling depth | 88/58 m |
| Max.output torque | 300 kN·m |
| Rotary speed range | 5-28 rpm |
| Crowd foece push | 335 kN |
| Crowd force pull | 330 kN |
| Max.stroke crowd | 17.1m |
| Rated power of engine | 298 kW |
| Emission | Stage III |
| Operation weight | 100 t |