These offer up to 200 tonnes capacity, in many cases using the tower system originally developed for large flat top cranes. In the energy sector wind turbine installation is a new tower crane market where high capacity luffers have been developed by XCMG, Zoomlion, Yongmao and Jinli Heavy Technology. The 450 tonne capacity heavy lifter with an under hook height of up to 400 metres, addresses job sites which cannot be served by large mobile cranes. It is demonstrated by the Zoomlion W12000- 450. It could lead to a downsizing of mega crane design features for general precast construction in the 800 to 1,200 tonne-metre class.Īnother trend in ultra-heavy capacity, custom-built flat top tower cranes is for large bridge pylon construction projects. According to Zoomlion, in 2021 sales of its tower cranes with a 600 tonne-metre rating or more, increased by 100 %.Ĭoal-fired power projects will decline and there may be less demand for 2,000 tonne metre class flat top cranes. Large infrastructure projects, like long span bridges and high-speed train stations, need mega flat top tower cranes.
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