... 692.992.48Properties and merits of QTZ80(5613) tower crane :1QTZ80(5613) tower crane : Rated moment of lifting :800KN.m, the ... -story or below building.3QTZ80(5613) tower crane owns two lifting points, level beam, upper rotating, hydraulic lifting, easy ... for installation and disassembling .4QTZ80(5613) tower crane uses rotating motor, ...