| Owner: | Norfolk Southern |
| Type: | Box Car |
| AAR Class: | XL: Loader Equipped. Box car similar in design to "XM", with steel perforated side walls or equipped with interior side rails for securement of certain types of lading and/or permanently attached movable bulkheads. |
| AAR Type: | A636 |
| Detail Info: | Equipped Box Car, Inside Length: 69' to 79', cushion draft gear/underframe, Plug door, opening greater than 11 feet |
| Plate: | F |
| Max Gross Weight: | 263000 |
| Load Limit: | 171600 |
| Dry Capacity: | 6350 |
| Ext L/W/H: | 68' 5" / 10' 8" / 15' 6" |
| Int L/W/H: | 60' 9" / 9' 6" / 11' 0" |
| User Notes: | ex-MP 266700 |
