Top head truck mounted water well drilling rig is equipped with hydraulic motor, oil cylinder to lifting and feeding, high pressure DTH hammer. It can used for water well, air container hole, construction project etc. Technical parameter Drill diameter Φ105~Φ400mm Drill depth 300m Rock hardness f=6~20 pressure 1.2~3.5MPa Air consumption 16~40m3/min Carriage stroke 3400mm Winch lifting 4T(single rope),8T(double rope)° Min-terrain clearance 300mm Rotary speed 1st gear0-80rpm; 2nd gear 0-160rpm Max rotary torque 8500Nm Max- lifting power 12T Lifting speed 5~18m/min axial pressure 60KN Rod diameter 89 size(LXWXH) 10500*24808*3050(transporting) Chassis Sinotruk brand 6*4