| Owner: | Union Pacific Railroad Company |
| Type: | Flat Car |
| AAR Class: | FM: Ordinary flat car for general service. This car has flooring laid over sills and without sides or ends. |
| AAR Type: | F102 |
| Detail Info: | Flat Car, Load Limit: Less than 155,000lb, Inside length: 53-60ft |
| Plate: | B |
| Max Gross Weight: | 220000 |
| Load Limit: | 153800 |
| Ext L/W/H: | 58' 7" / 10' 7" / 5' 1" |
| Int L/W/H: | 53' 6" / 10' 7" / 0' 0" |
| User Notes: | Load Limit: 153800 |
