Full hydraulic rock drill is a hammer, hydraulic leg and hydraulic pump, hydraulic pump divided into one pump with one machine, one pump with two machines, four machine,etc.

YYT28 leg type hydraulic rock drill with a variety of specification hydraulic station. High penetrationrate, low power consumption, less noise, less failure, safe and reliable, simple configuration, convenient movement.

Powerful drilling
The powerful combination of percussion and rotation originates in a very efficient impact structure .
YYT29 is also equipped with a powerful flushing mechanism which enables efficient removal of cuttings during drill deep holes.

 High durability
The external parts have a sturdy design, and the internal parts, subjected to severe working conditions, which are either heat-treated or chromium plated. And all components are precisely finished as well. The drill internal parts all work in the hydraulic oil assures trouble-free and economical operation.

Easy and safe operation
Perfection of balance and convenient portability have been main concern in the design of YYT29.The hydraulic leg patent design makes the drill can be used for long periods due to the minimum recoil. The patent brake-chuck assures the broken rod will not hurt drillman and the drill rig will not fall when the bit shank is broken. YYT29 guarantees dependable and efficient drilling with a minimum of operator fatigue.