ATLAS offers their HO 1937 AAR 40' BOX CAR as a kit. This review builds a Western Pacific model.
This is partial text from the full article (usually with photos) at https://railroadmodeling.net/news/1937-aar-40-box-car
This is partial text from the full article (usually with photos) at https://railroadmodeling.net/news/1937-aar-40-box-car