The model of the Tower crane areQTZ80（5513）, QTZ80(5613),QTZ80(6010), The main parameter of each model are showed in follow:

(1), Tower crane QTZ80（5513）:Its max lifting load is 6/8t,  Its max lifting height is 45/150m,Its Max working range is 55m, the Lifting speed is 80/40m/min,  the Slewing speed is 0~0.6r/min,   the Demicking speed is 44/22m/min,and the power is 380v/50HZ;

(2). Tower crane QTZ80（5613）:Its max lifting load is 6/8t,  Its max lifting height is 40/150m,Its Max working range is 56m, the Lifting speed is 80/40m/min,  the Slewing speed is 0~0.6r/min,   the Demicking speed is 44/22m/min,and the power is 380v/50HZ;

(3). Tower crane QTZ80（6013）:Its max lifting load is 6/8t,  Its max lifting height is 40/150m,Its Max working range is60m, the Lifting speed is 80/40m/min,  the Slewing speed is 0~0.6r/min,   the Demicking speed is 44/22m/min,and the power is 380v/50HZ;