ZGYX - 431/845-1 Separated DTH Drill Rig
| Model | 431 | 845-1 |
| Feed beam | Made of aluminum alloy | Made of alloy steel |
| Weight | 7,340 kg | 7,460 kg |
| Dimensions (LxWxH) | 7,000×2,300×2,800 mm | |
| Engine (standard) | Yuchai/74 kW | |
| Rotation torque (MAX) | 3,500 N.m | |
| Drilling hole diameter | Φ115-152 mm | Φ115-165 mm |
| DTH hammer(Standard) | 4" (inch) | |
| Drilling rod | Φ76×3,000 mm | |
| Diesel tank volume | 156 L | |
