我厂生产的QTZ40塔吊性能参数介绍TYPE型号QTZ40A(TC4208)QTZ40B(TC4708)QTZ40C(TC4608)QTZ40D(TC4807)Rated lifting moment起重力矩（KN.m）400400400400Working range工作幅度（m）3～423～46.83～463～48Load额定起重量Tip load幅度处（t）0.80.790.80.7Max
