... SINOTRUK, 11.00R20 steel off-road tire tread, with good off-road performance.2, This water well drilling rig has very compact ... strong power) ,the emission standards is Euro IV. The water well drilling rig has independent diesel engine (Cummins), the power is ... is very affordable.3, The water well drilling rig can achieved fast drilling by manually, especially for soil. 4, The hydraulictool hoist has ...