ZGYX - 412B-1/416T-1/420B-1 Separated DTH Drill Rig
| Model | 412B-1 | 416T-1 | 420B-1 |
| Weight | 3,950 kg | 4,620 kg | 4,620 kg |
| Dimensions (LxWxH) | 4,450×2,080×2,460 mm | 5,700×2,130×2,300 mm | 5,700×2,130×2,300 mm |
| Engine (standard) | Yuchai/59 kW | ||
| Rotation torque (MAX) | 1,650 N.m | 2,200 N.m | 2,200 N.m |
| Drilling hole diameter | Φ90-115 mm | Φ90-115 mm | Φ90-127 mm |
| DTH hammer(Standard) | 3.5" (inch) | 3.5" (inch) | 4" (inch) |
| Drilling rod | Φ60×2,000 mm | Φ60×3,000 mm | Φ76×3,000 mm |
| Diesel tank volume | 115 L | 70 L | 70 L |
