... CE&ISO9001... LDA Electric Single Beam CraneLDA electric single beam crane introduction:LDA electric single beam crane is improved and ... lifting height, span, rail length if need.LDA electric single beam crane parameters:Lifting capacity (T)1T, 2T, 3T ... height (m)6 ,9 ,12, 18, 24, 3012,18,24,30Travelling speed (m/min)20(30)20(30 ... )Wheel diameter270mm370mmWidth of trail37-70mm37-70mm single beam crane