| Owner: | Union Railroad |
| Type: | Bulkhead Flat |
| AAR Class: | FB: Bulkhead flat cars. Equipped with fixed or permanently attached movable bulkheads or ends a minimum of three feet in height and flat floor for general commodity loading. |
| AAR Type: | F441 |
| Detail Info: | Flat Car, Load Limit: 200,000lb and greater, Inside length: less than 53ft |
| Plate: | C |
| Max Gross Weight: | 315000 |
| Load Limit: | 230700 |
| Ext L/W/H: | 46' 3" / 10' 1" / 8' 5" |
| Int L/W/H: | 44' 3" / 10' 0" / 0' 0" |
| User Notes: | Hot slab |
