| model | HW920 | HW920-1 |
| engine | Yuchai YCD4T22T-105A | Yuchai YCD4T22T-105A |
| power（KW） | 78 | 78 |
| Drill pipe type（mm） | φ60*3000 | φ60*3000 |
| Drilling diameter（mm） | φ90-152 | φ90-152 |
| Maximum working torque（N.m） | 3200 | 3200 |
| Swing speed（rpm） | 0-150 | 0-150 |
| Propulsion（kN） | 15 | 15 |
| Lifting power（kN） | 25 | 25 |
| Propulsion method | oil cylinder chain | oil cylinder chain |
| Leveling angle | Adjustable, 15° front and rear | Adjustable, 15° front and rear |
| Walking speed（km/h） | 3 | 3 |
| Gradeability | 30° | 30° |
| gross weight（kg） | Approximately 5000 | 5500 |
| Shipping dimensions（mm） | 5500*2050*2600 | 5500*2050*2600 |
| Dust collection method | detachable | Dry dust collection |
Hengwang DTH drilling rig is a new generation of drilling rig. The rig body is perfectly matched to the DTH bit, giving the rig unique productivity
and keeping fuel consumption and operating costs to a minimum. Excellent usability, efficient rig operation and unobstructed component layout make it standard.
Main feature:
1. HW920 is designed for drilling 90-130mm.
2. Centralized console to improve efficiency and reduce labor costs;
3. Diesel powered down-the-hole (DTH) rigs have excellent maneuverability, smaller footprint and the ability to serve multiple locations.
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