overhead crane cranes 1.lifting height:6-30m 2.lifting capacity:1-20t 3.span:7.5-31.5m 3.workshop bridge crane overhead crane cable1.Introduction:Lifting capacity (T)1,2,3,5,10T16,20TSpan(M)7.5-31.5MCrane travelling mechanismTravelling speed(m/min)20304560752030456075Reducer ratio58.7839.3826.3619.3715.8858.7839.3826.3619.3715.88MotorModelZDY21-4ZDY21-4ZDY122-4ZDY131S-4ZDY112L1-4Power(kw)2×0.82×1 ...