Advantages of Zoomlion Truck Crane Qy55d531.1
Zoomlion QY55D531 is 55-ton crane. Zoomlion qy55d integrates Zoomlion more than 40 years experience in mobile cranes with advanced technology.The weight of QY55D531.2R optimized and distortion-resistant design of low-alloy and high-strength steel with U-type boom profile providing the max lifting height up to 58m.The product has four-axle brand-new truck crane chassis: strong power, excellent maneuverability and traveling reliability.Man-machine engineering optimization based on operation safety and efficiently improvement.
Eight patented technologies ensure smooth movement, high efficiency & economy of lifting, slewing and luffing mechanisms.Normal hydraulic oil temperature, stable operation, long service life. Large displacement motor ensures that operations requiring two lifts to be completed in one lift.New hydraulic motor with larger original torque allows for safer second-lifting operations. Small displacement motor may result in downward sliding during second lifting, causing hidden troubles.