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Truck Crane QY55D531.2R
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Integrates Zoomlion more than 40 years experience in mobile cranes with advanced technology.
• Weight optimized and distortion-resistant design of low-alloy and high-strength steel with U-type boom profile providng the max lifting height up to 58m.
• Four-axle brand-new truck crane chassis:strong power,excellent maneuverability and traveling reliability.
• Overall upgraded controllability, with the working speed, movement smoothness and micro-mobility perfectly balanced.
• Man-machine engineering optimization based on operation safety and efficiently improvement.
Item Unit Value Remarks
Working performance Max. rated lifting capacity kg 55000  
Max. load moment of basic boom kN.m 2009  
Max. load moment of main boom(fully extended) kN.m 1050  
Max. load moment of basic boom m 12.6  
Max. lifting height of main boom m 43.6 These parameters do not include deflection of main boom and jib
Max. lifting height of jib m 58
Working speeds     Max. hoist rope speed(Main winch) m/min 120  
Max. hoist rope speed(Auxiliary winch) m/min 120  
Boom demrricking up time s 50  
Boom demrricking up time s 95  
Slewing  speed r/min 0-2  
Driving parameters Max. height above sea level m 2000  
Max. driving  speed km/h 76  
Max. gradeability % 40  
Min. turning diameter m ≤24  
Min.  ground clearance mm 260  
Oil consumption per hundred kilometers L 43  
Mass Deadweight in driving condition kg 42000  
Complete vehicle kerb mass kg 41870  
Front axle load kg 16000  
Rear axle load kg 26000  
Dimensions Overall dimensions(L×W×H) mm 13700×2800×3800  
Outrigger spread(L) m 5.92  
Outrigger spread(W) m Fully extended:7.1,intermediately extended:4.8  
Tail slewing radius mm 3900  
Main boom length m 11.4 - 43.0  
Boom angle ° -2 - 80  
jib length m 9.2,14.6 Low-mounted, open-type
Offset ° 5、25、45