Sidewall for a railway car

摘要: A railway car with a pair of improved sidewalls is provided. For some applications, the may include steel underframe an aluminum body mounted thereon. The preferably includes and end walls. have open top or roof Relatively, thin side posts are disposed on exterior to allow increasing cargo carrying capacity car. At least one longitudinal stiffener along interior surface each sidewall provide sufficient strength for based anticipated loading while at same time allowing reducing number thickness posts. applications stiffeners be formed by extrusion process substantially cross section.