| Owner: | Canadian National Railways |
| Type: | Box Car |
| AAR Class: | XM: Box car for general service equipped with side or side and end doors. |
| AAR Type: | B101 |
| Detail Info: | Unequipped Box Car, Inside Length: Less than 49', Sliding doors, inside width less than 9ft 6in, Door opening less than 8ft |
| User Notes: | Ex 471000-477949 or 480715-487768 |
