XCMG Mobile 70 Ton Truck Crane QY70KH With Best Price has high strength axles. 1st and 2nd axles are for steering, and 3rd and 4th axles are for driving.

Hydraulic pump: quadruple pump driven by chassis engine. The variable displacement pump is used for lifting, elevating and telescoping operations.

Control valve: load sensitive proportional multi-way change valve controlled by pilot hydraulic oil, which is integrated with impact resistance valve and cavitation-proof valve.

Oil circuit: there is an air-cooled hydraulic oil cooler equipped to effectively reduces the oil temperature.