You note that Hafner called their boxcar an "automobile car" instead of just a plain box car. Oddly enough, American Flyer did the same, with both smaller and larger cars.
without and with doors
1112 early with orange litho and white lettering
1115 later with white lettering (note the lithograph is too high and the American Flyer lettering is hidden by the roof)
1115 late with black lettering, again note the American Flyer lettering is hidden by the roof.
1112 later with red lithograph
Early 1115 with red lithograph