Main Technical Parameters of QTZ 300 Tower Crane Model:QTZ300(7031) Max .Radius(M): 70 Independent Height(M): 50 Max. Lifting Capacity(T): 12 Max. Height(M): 221 Wall-attached Frame: 8 Main Material: 140?—140?—16angle steel welding Standard Mast Section Dimension: 2.083x2.083x3 Hoisting Speed(m/min): 0-102 Mini. Stabilizing Falling Speed (m/min): 2 Slewing Speed(r/min): 0-0.7 Traveling Speed(m/min): 0-80 Climbing Speed(m/min): 0.46 Motor Total Power(KW): 117.5 Complete Machine Total Weight ---Independent Structure Weight(KG): 80900 ---Counter Weight(T): 27.75
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