... slow) 4000N•m (fast) Features:KW30 Geothermal well multi-function rig is a hole equipment which designed after market ... research. It is a light, highly effective, the multi-function deep hole drilling equipment , which is upgraded on ... and powerful torque rotary motor and two oil cylinder with big bore propulsion, guarantee the reliable performance. KW300m depth Geothermal and water Well Multi-function ...