
Specifications
| Model of Drill Rig | 420GF | 430GF |
| Weight of Machine | 6100KG | 7000KG |
| Outer Dimensions | 7000x2280x2700 mm | 7200x2230x2700 mm |
| Supporting Power | YCF36-100 74kw | YC4DK-100 73.5KW |
| Drilling Hardness | F=6~20 | F=6~20 |
| Drilling Diameter | 200-350mm | 200-350mm |
| Rotation Speed | 55-110 r/min | 36-105 r/min |
| Rotation Torque (MAX) | 8000N.m | 8000N.m |
| Pull up Force (MAX) | 25KN | 25KN |
| Method of Feed | Motor Chain | Motor Chain |
| Feed Stroke | 3875mm | 3875mm |
| Feed Force(MAX) | 25KN | 25KN |
| Working Air Pressure | 0.7~2.5Mpa | 0.7~2.5Mpa |
| Climbing Capacity | 35 | 35 |
| Ground Clearance | 310mm | 310mm |
| Tilt Angle of Beam | Over180 | Over180 |
| Swing Angle of Boom | left50right50/left15right95 | left50right50/left15right95 |
| Swing Angle of Drill Boom | Up41 Down31 | Up41 Down31 |
| Leveling Angle of Track | 10 | 10 |