Interesting to note that Atlas did a die-cast 55 ton hopper. This is a custom paint/dry transfer . I have (4) of the all diecast 55 ton hoppers. Later issues of the 55 ton hoppers had plastic sides, but maintained the die-cast frame and bottom.
Later issue.
The Pennsylvania outside braced was one of my first pieces of rolling stock. Note the grab-irons, and coupler cut lever.