We are a leading machinery company in China.We mainly produces construction machinery,for example; tower crane,building hoist,concrete pump,concrete batching plant,concrete mixer and so on.The tower cranes are welcomed by all our customers.

QTZ50technical parameters

Max rated torque (KN.M): 500

Max lifting load(t):4.0

Max working height(m): 50

Hoisting height(m) independent: 30  attached: 120

Lifting capacity at jib tip(t): 0.8

Radius changing speed(r/min): 22/33

Swiveling speed(r/min):0.6

Dead load(t): 42

Standard section dimension(mm): 1494x1494x2200

Materials of the section mast: 160x12  140x12  Q235B

   what is more, my company also makes QTZ7030,QTZ125 series,QTZ100 series,QTZ80 series,QTZ63 series,QTZ40 serie,QTZ50 series,QTZ31.5 series,QTZ25 series tower cranes, construction elevator, concrete pump, oncrete mixer, concrete mixer truck, screw conveyor...