徐工 QY50K2

XCMG QY50K2 is a classic 50-ton hydraulic telescopic boom truck crane from XCMG K-series, widely recognized for stable lifting performance, high reliability and excellent mobility. It is a versatile lifting machine for municipal works, building construction, bridge erection, equipment installation and plant relocation projectsxcmg.co.za. This crane adopts a **5-section U-shaped high-strength steel main boom**. The main boom reaches 42.7 m at full extension; with the auxiliary jib fitted, the maximum lifting height hits 57.7 m. H-type outriggers deliver solid support, with longitudinal outrigger span 5.91 m and lateral span 6.9 m, enabling 360° full-circle safe lifting operationsxcmg.co.za. Equipped with a WD615.334 diesel engine, rated power 247 kW @2200 rpm and peak torque 1350 N·m @1400 rpm. Max travel speed is 80 km/h, max gradeability up to 40%, allowing fast transfer between job sites. It applies mature double-pump confluence hydraulic technology and pilot proportional control, offering smooth, precise and efficient boom telescoping, luffing, slewing and winch actions. Main and auxiliary winches both achieve high rope speed for improved working cycle efficiencyxcmg.co.za. Operator cabin is ergonomically designed with air conditioning for comfortable long-hour operation. Multiple safety protection systems including overload limiter, moment limiter and safety interlock are standard, to prevent overloading and ensure operational safety.