| Owner: | Chicago Burlington & Quincy |
| Type: | Box Car |
| AAR Class: | XM: Box car for general service equipped with side or side and end doors. |
| AAR Type: | B326 |
| Detail Info: | Unequipped Box Car, Inside Length: 49' to 59', Plug doors, inside width less than 9ft 6in, Door opening 13ft to 15ft |
| Plate: | B |
| CBQ Class: | XM-4A |
| User Notes: | CB&Q Havelock blt combo plug |
