HFJ200C hydraulic crawler drill rig, using new type of hydraulic technology, low consumption, large rotary torque, convenient hole deflection.The drilling machine structure is compact,while the mast has adjustable compensation function.when drilling, the mast supported on the ground, borehole stability is good.HFJ200C drilling rig has reliable performance,high efficiency, suitable for operating conditions.It also reduce costs and improve the efficiency. The drilling rig is mainly used for water wells, DTH blasting construction, etc.