Equipped Box Car, Inside Length: Less than 49', cushion draft gear/underframe, Sliding door, opening between 9 and 11 feet
Loader Equipped. Box car similar in design to "XM", with steel perforated side walls or equipped with interior side rails for securement of certain types of lading and/or permanently attached movable bulkheads.
Ex-SSW
AZER 77021 - First photo of this box car on rrpicturearchives.net.