The model of the Tower crane areQTZ63（5010）, QTZ63(5013),QTZ63(5510), QTZ63(5610). The main parameter of each model are showed in follow:
(1), Tower crane QTZ63（5010）:Its max lifting load is 5t, Its max lifting height is 40/120m,Its Max working range is 50m, the Lifting speed is72/35m/min, the Slewing speed is 0/0.6r/min, the Demicking speed is 39/26m/min,and the power is 380v/50HZ;
(2). Tower crane) QTZ63(5013): Its max lifting load is 6t, Its max lifting height is 40/150m,Its Max working range is50m, 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) QTZ63(5510): Its max lifting load is 6t, Its max lifting height is 40/150m,Its Max working range is55m, 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;
(4). Tower crane) QTZ63(5610): Its max lifting load is 6t, Its max lifting height is 40/150m,Its Max working range is56m, 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;
