| Owner: | Union Pacific Railroad Company |
| Type: | Flat Car |
| AAR Class: | FMS: Specialty Ordinary flat car for general service. This car has flooring laid over sills and without sides or ends. |
| AAR Type: | F215 |
| Detail Info: | Flat Car, Load Limit: 155,000-184,999lb, Standard draft gear/solid drawbar, Inside length: 85-89ft |
| Plate: | B |
| Max Gross Weight: | 220000 |
| Load Limit: | 175800 |
| Ext L/W/H: | 88' 5" / 10' 3" / 7' 8" |
| Int L/W/H: | 85' 0" / 8' 2" / 0' 0" |