Tower crane-TC5015B-6T 50m jib length: The maximum working range of tower crane can be 50m , the independent lifting height can be 40m , the maximum attached lifting height can be 145m , the rated lifting torque can be 835kn.M , and the maximum lifting torque can be 984kn.M , max lifting capacity 6ton , lifting capacity at max working radius 1.544ton , working radius : 2316,50 Hosit electromotor : YZRDW(F)225M-4/8 ;YZTD225L2-4/8/32 Trolleying electromotor : YDEJ132S-4/8 Slewing electromotor : YZR132M2 Climbing electromotor : Y132M2-6 Mains supply :380v 10%.50hz Simple packing.