ZGYX - 811A/811B Underground One-boom Face Drilling Rig
| Model | ZGYX-811A | ZGYX-811B |
| Feed total length | 5,500 mm | 5,500 mm |
| Drilling rod | T38-H35-R32*3,700 mm | T38-H35-R32*3,700 mm |
| Hole Depth | 3,440 mm | 3,440 mm |
| Dimensions (LxWxH) | 12,485×1,500×1,620 / 2,030 mm | 13,695×1,500×1,620 / 2,030 mm |
| Turning radius | (Inner) R2,900 / (Outer) R4,800 mm | |
| Weight | ≤11 T | ≤11.3 T |
| Gradeability | 15° | 15° |
| Tramming Speed | 7 / 4 km/h | 7 / 4 km/h |
| China IV Diesel engine | Yuchai YCF36100-T480 / 74 kW (100 HP) | |
| China Ⅲ Diesel engine | Yuchai YC4DK100-T301 / 73.5 kW (100 HP) | |
| Drifter | ||
| Model：ZY104M | Power：20 kW | Height over drilling center：88 mm |
| Electric motor | ||
| Power：55 kW | Voltage：380 V | |
