| Owner: | Union Pacific Railroad Company |
| 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: | F343 |
| Detail Info: | Flat Car, Load Limit: 185,000-199,999lb, Inside length: 60-75ft |
| Plate: | C |
| Max Gross Weight: | 263000 |
| Load Limit: | 185900 |
| Ext L/W/H: | 70' 6" / 10' 6" / 15' 3" |
| Int L/W/H: | 61' 0" / 10' 6" / 0' 0" |
