| Owner: | Southern Pacific |
| 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: | A436 |
| Detail Info: | Equipped Box Car, Inside Length: 49' to 59', cushion draft gear/underframe, Plug door, opening greater than 11 feet |
| Plate: | C |
| SP Class: | B-100-40 |
| Max Gross Weight: | 263000 |
| Load Limit: | 188200 |
| Dry Capacity: | 5195 |
| Ext L/W/H: | 57' 10" / 10' 4" / 15' 6" |
| Int L/W/H: | 50' 7" / 9' 4" / 11' 0" |
| User Notes: | Load Limit: 188200 |
