As PT5013 Flat Top Tower Crane made by flat top tower crane suppliers from china is equipped with mechanical moment limiter, lifting load limiter, multi-function position limiter and other protection devices which are precise, reliable and agile, customers can feel secure in using it.The max radius is 50m. Independent loading-lifting height is 40m. Attaching loading-lifting height is 150m. The rated load moment is 630 KN.m .