| Owner: | Canadian National Railways | 
| Type: | Box Car | 
| AAR Class: | XP: Boxcar similar in design to "XM", but which is specially equipped, designed, and/or structurally suitable for a specific commodity loading; except, boxcars (XF, XM, XMI) dedicated to the transportation of commodities in paragraph A, Rule 97, AAR Interchange Rules, must be designated "XP". | 
| AAR Type: | A307 | 
| Detail Info: | Equipped Box Car, Inside Length: 49' to 59', Combination (Sliding-Plug) doors | 
| Plate: | C | 
| Dry Capacity: | 5290 | 
| User Notes: | ex-ABOX 50744 {Yellow} |