| Owner: | Union Pacific Railroad Company |
| Type: | Bulkhead Flat |
| AAR Class: | FBS: Specialty 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: | F155 |
| Detail Info: | Flat Car, Load Limit: Less than 155,000lb, Inside length: 85-89ft |
| Plate: | B |
| UP Class: | F-70-2 |
| Max Gross Weight: | 220000 |
| Load Limit: | 144900 |
| Ext L/W/H: | 88' 5" / 10' 3" / 7' 0" |
| Int L/W/H: | 85' 0" / 8' 2" / 0' 0" |
