1. Hydraulic trailer type water well drill rigs application Geological general investigation and exploration, road and tall building basic exploration, kinds of hole in concrete structure, river levees,roadbed grouting hole drilling and direct grouting, civil wells and earth central air conditioner, etc 2. Hydraulic trailer type water well drill rigs feature A.Hydraulic trailer type water well drill rigs can drill up to 600 m depth(end diameter is 75mm),Max.drilling diameter comes to 300mm. B.Hydraulic trailer type water well drill rigs is hydraulic driven,hydraulic mast and foot clamps,high working efficiency and good performance. C.Hydraulic trailer type water well drill rigs mounted on trailer chassis,integrated diesel engine,double bases,all greatly improve the practice of our HF-3. D.Hydraulic trailer type water well drill rigs is rock expert high efficiency drilling rig. Drilling depth Open hole caliber End hole caliber Drilling rod Drilling angle Spindle Spindle forward speed Hoist single line lifting capacity Mud pump Horizontal double actuator Displacement Oil pump Duplex gear oil pump F532/F314 Front displacement Drilling rig Power Diesel engine Electric motor 1*40HQ