... The HF-40 directional drilling rig is driven with full hydraulic system, propelled with its own crawlers. Driven with ... auxiliary equipments, such as diesel engine, hydraulic pumps, valves, motors, reducer and key hydraulic accessories are all adopted in famous brand ... guide hole170 (230) mmAngle of rig8°—22°Pressure of hydraulic system20 MPaTraveling speed1.5 km/hStructure styleSteel crawlers, crane ...