| Owner: | Chicago & Northwestern |
| Type: | Box Car |
| AAR Class: | XM: Box car for general service equipped with side or side and end doors. |
| AAR Type: | B314 |
| Detail Info: | Unequipped Box Car, Inside Length: 49' to 59', Sliding doors, inside width 9ft 6in and over, Door opening 10ft to 11ft |
| Plate: | C |
| Max Gross Weight: | 220000 |
| Load Limit: | 159200 |
| Dry Capacity: | 5347 |
| Ext L/W/H: | 55' 9" / 10' 8" / 15' 6" |
| Int L/W/H: | 50' 6" / 9' 6" / 11' 1" |
| User Notes: | Ex-ROCK 300370 {now BKTY 156371} (CRI&P) |
