... smooth and steady, high efficiency, and distribute load automatically.Drilling Rig ModelZJ50/3150JDZJ50/3150LZJ50/3150DNominal drilling ... load, kN3150Line strung of hoisting system6*7Wire line dia., mmΦ35Max. pull of fastline, kN340Max. input power of drawworks, Kw1100Drawworks of ... changeRated input power of rotary table, Kw300Max. Static load of rotary table, Kn5850Max. torque of rotary table, N ...