Abstract: A railroad freight car adapted for carrying automobiles and having a pair of doors enclosing and end of the car body. The pair of doors is hinged to the sides of the car body and meets each other at a central vertical plane, with each door including latches at top and bottom that engage an end sill and a roof the car body. The doors include panels of composite construction and have stiffening structures along vertically extending closure mating sides of the doors, whose margins confront each other. Door engagement members on each door extend toward and are engaged with the stiffening structures on the margin of the opposite one of the pair of doors.

Abstract: A railroad freight car that may include multiple units, the body of at least one unit including a container well for carrying intermodal freight containers, the body including a pair of side sills generally of closed box beam configuration with holes and reinforcing rings and with longitudinally extending reinforcing members in the top or bottom, or both, of the beams. The ends of the longitudinally extending reinforcing members are tapered and have their extremities attached to a portion of a side sill web spaced apart from the extreme top or bottom members of the beam.

Abstract: A railroad freight car that may include multiple units, the body of at least one unit including a container well for carrying intermodal freight containers, the body including a pair of side sills generally of closed box beam configuration with holes and reinforcing rings and with longitudinally extending reinforcing members in the top or bottom, or both, of the beams. The ends of the longitudinally extending reinforcing members are tapered and have their extremities attached to a portion of a side sill web spaced apart from the extreme top or bottom members of the beam.