The authors of the article continue to publish materials on the development and design of gondola structures at the Ural car building plant. The article is devoted to the development of a gondola car by the Ural design Bureau in 1937 and its subsequent modernization. The design elements of the gondola car that differ from the previous model are considered: size, trolley, automatic coupling and brakes, manhole cover, parameters of the gondola car, etc. The results of the work of the Interdepartmental Commission are presented. A new design is considered: coupling buffer beam and the connection of the beams with the lower belt, the constituent elements of the cross section of a center girder and corner posts, etc.