| Owner: | Union Pacific Railroad Company |
| Type: | Box Car |
| AAR Class: | XM: Box car for general service equipped with side or side and end doors. |
| AAR Type: | B209 |
| Detail Info: | Unequipped Box Car, Inside Length: Less than 49', cushion draft gear/underframe, Sliding doors, inside width less than 9ft 6in |
| Plate: | B |
| UP Class: | A-50-26 |
| User Notes: | UP Omaha |
