For QTZ80-5513 tower crane, main technical parameters are as follows: Item Parameters Metric lifting moment 800KN. M Max. Lifting capacity 80KN Rated lifting capacity in max. Working radius 13KN Working radius 3.0M Independent 42.7M Attachment 150M Hoisting speed 80/40M/min Slewing speed 0.62R/min Trolley speed 54/27/9/min Climbing speed 0.58M/min Counter-balance 12.5T Stationary structure 13.8T Total Power 42.4KW.