| 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: | B647 |
| Detail Info: | Unequipped Box Car, Inside Length: 69' to 79', cushion draft gear/underframe, Combination doors, inside width less than 9ft 6in, Door opening 15ft and over |
| Plate: | B |
| UP Class: | BC-90-2 |
| User Notes: | blt UP Omaha |
