These rigs are mounted on Doosan base featured with large oil flow and low fuel consumption. Well proven parallelogram mechanism.
Rear mounted main winch winded with single layer of steel wire for operation, rotary head consisting of two groups of motors and gear boxes, and auxiliary winch functioning with free fall hook as optional means to break rocks, hydraulic motors, hydraulic valves and couplings, etc.
High quality Kelly bar, percisely manufactured bearings and special hydraulic oil fittings help ensure continuous operation.
The electrical system is integrated with imported and original CAN bus controller, incorportated with electro-hydrualic proportional control technology and can field bus distributrion-control technology.
