| 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" |