tower crane 4708
jib length 47m, height can be 29-120m, max. load is 4t and load zt jib tip  is 0.8t. the price is competitive and the quality is excellent.

QTZ50,40 Series Tower Crane
model		QTZ4708
Maximum rated  torque(KN·m)		400
Maximum lifting load(t)		4
Maximum working amplitude(m)		50,48,48,46.8,42
Hoisting height (m)	Independent	29
	Adhered	120
Lifting capacity at jib tip(t)		0.8
Hoisting speed (m/min)	a=2	35/17.5/3.75
	a=4
Radius changing speed(m/min)		22/33
Swiveling speed(r/min)		0.6
Climbing speed(m/min)		0.4
Dead load(t)		36/22.5,42.7/21.5
Upper chord of lifting beam		φ89×4.5
Standard section dimensions(mm)		1618×1618×2500   1494×1494×2200
Matching motor		Winding motor, transform, speed regulation, smooth operation
Materials of lifting mast		∠140×12 Q235B  ∠160×12 Q235B                  square pipe∠75×6
Parallel height of lifting beam(mm)		1040