Tower cranes The length of jib is 60m Model qtz160(6518 6515 6024) Maximum rated torque(kn.M) 1600 1600 1600 Maximum lifting load (t) 10 10 10 Maximum working amplitude (m) 3-65 3-65 3-65 Hoisting height (m) independent 50 50 50 Attached 200 200 200 Payload capacity at maximum amplitude (t) 1.8 1.5 2.4 Hoisting speed m/min a=2 100/50/7.4 100/50/7.4 100/50/7.4 A=4 50/25/3.7 50/25/3.7 50/25/3.7 Radius changing speed m/min 50/25/15 50/25/15 50/25/15 Swiveling speed (r/min) 0.62 0.62 0.62 Raising speed (m/min) 0.4 0.4 0.4 Dead load (t) 70/125 70/125 70/125 Top boom of lifting beam ¿n1008 fasterner ¿n808 ¿n1008 fasterner ¿n808 ¿n1008 fasterner¿n808 Standard knot dimensions (mm) 1.9351.9352.8 1.9351.9352.5 1.9351.9352.5 Matching motor Materials of main limbof tower body 13516 13516 ¿n12514fasterner Q345 Parallel height of lifting beam 1370 1370 1370