1. Low center of gravity, more stable and safe climbing, strong adaptability; 2. Imported hydraulic motor for walking, strong walking, double speed walking, strong climbing ability;
8. Large internal space of drilling car, which is conducive to heat dissipation of the engine; Easy to maintain the engine, extend the service life of the engine.
| Rig model | ZGYX-421T |
| Power | YUCHAI |
| Rated power | 162KW |
| Drilling depth | 20m |
| Drill pipe size | Φ60*3000MM |
| Hole range | Φ80-115mm |
| Rotation torque | 1650N.M |
| Rotation speed | 0-110 rpm |
| F.A.D | 12M3/MIN |
| Working pressure | 14.5bar |
| Feed force | 20KN |
| Feed type | CHAIN/CYLINDER |
| Tramming speed | 3KW/H |
| Gradient | 30 |
| Weight | 6800KG |
| Size | 6000*2800*2750MM |