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| Impact frequency: | 20 Hz |
|---|---|
| Motor power: | 21 kw |
| Machine weight: | 21 kg |
| Operating water pressure: | 20 mPa |
| Inner diameter of water delivery hose: | 32 mm |
| Lifting speed: | 21 m/min |
| Propulsion: | 6 KN |
| Thruster stroke: | 54 mm |
| Working pressure of hydraulic system: | 32 mPa |
| Oil pressure: | 45 mPa |
| Hole diameter range: | 21 mm |
| Drilling speed: | 21 mm/min |
| Maximum speed: | 23 km/h |
| Drilling depth: | 21 mm |
| Brand: | Zheng'an |
| model: | YDT28 |
| Region: | Shandong |
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