QTZ80 standard knot section 1835×1835，limbof uses angle steel∠125×125×12 fasterner or 135×135×12、135×135×10
·FTZ5515s tandard knot section 1835×1835，limbof uses angle steel ∠125×125×14 fasterner or 135×135×14、135×135×12
The whole machine swivel and hoisting structure use winding double-speed motor+eddy brake, it oprate smooth and has good adjustment

Parameters' names	Parameters
Model	FTZ5013	QTZ80	FTZ5515
rated lifting torque (KN.m)	780	800	1000
maximum lifting load (t)	(a=4),6;(a=2),3	(a=4),6;(a=2),3	(a=4),6;(a=2),3
maximum working amplitude(m)	50	53	55
rated payload capacity at maximum amplitude(t)	1.305	1.245	1.5
maximum hoisting height(m)	40/150	46.2/151.2	46.2/151.2
hoisting speed (m/min)	a=2, 80.36/41.05	a=2, 84/40.18	a=2, 84/40.18
hoisting speed (m/min)	a=4, 39.37/20.11	a=4, 41.05/20.53	a=4, 41.05/20.53
radius changing speed(m/min)	44/22
swiveling speed (r/min)	0.64	0.62	0.62
raising speed (m/min)	0.4
Total motor power (kw)	40.31	41.52	41.52
working voltage (v)	~380V±10%
working temperature (℃)	-20~+40
working wind pressure (N/M2)	250