Maximum moment 450 t.m Maximum jib length 70m Maximum load 20ton or 40 ton mast section 2X2X3m tip load 5ton C7050 is a model of large self-telescoping tower crane slewing from the top which is designed and manufactured under the absorbing of the advanced technologh introduced from Potain(France),the mechanisms of hoisting ,slewing,trolleying,travevlling and telescoping adopt advanced technology.It is an up-to-date designed model with reliable performance .The panel structured masts is easy to trect and transport. C7050 Tower crane has three types for chose :rail-travelling,stationary(or anchored to the building)and inner climbing.It’s maximum lifting capacity is 20 or 40T.