YDR40B with lightweight and compact design requires only small room
With hydraulic chuck
2 speed hydraulic circuit shifts by standard hand operated
hydraulic directional valve
| Descriptions | unit | Technical data | |
| Oil pressure | bar | 170 | |
| Oil flow | l/min | 60 | |
| Gear | 1 | 2 | |
| Rotation speed (max) | rpm | 235 | 117 |
| Roation torque (max) | Nm | 440 | 880 |
| Weight | Kg | 181 | |



Company Information

Zhangjiagang Free Zone Yongda Machinery originally from Taiwan, has more than 40 years of manufacturing and management experience, We professionally manufacture various kinds of hydraulic rock drills, rotary heads, drifters and other advanced drilling equipment for roadway, railway, tunneling, geological surveys, foundation strengthening. mountain mining and so on.
Serve state-managed companies, construction conglomerates and well-known domestics, overseas drilling enterprise. Yonda Machinery is an advanced factory which integrated design, fabrication, sales and service.


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