| Owner: | Seaboard Air Line |
| Type: | Box Car |
| AAR Class: | XL: 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. |
| AAR Type: | A435 |
| Detail Info: | Equipped Box Car, Inside Length: 49' to 59', cushion draft gear/underframe, Plug door, opening between 9 and 11 feet |
| Plate: | B |
| SAL Class: | OS-44-B |
| User Notes: | ACF |
