| 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: | B223 |
| Detail Info: | Unequipped Box Car, Inside Length: Less than 49', cushion draft gear/underframe, Plug doors, inside width less than 9ft 6in, Door opening 9ft to 10ft |
| Plate: | B |
| User Notes: | rebuilt 40' car |
