... water well drilling rig 1)hydraulic machine,easy to operate, 2)strong torque,high drilling efficency 3)trailer type CJW130 hydraulic ... , high-way and building construction, and blast-hole drilling etc. 2,With hydro-automatic feeding device, and high drilling efficiency. 3 ... (No include power)510 560kgUnity machine dimensions 2.5×1×1.3 2.5×0.9×1.3mSpindle spindle speed142\285\570r/minSpindle ...