| Owner: | Union Pacific Railroad Company |
| Type: | Gondola |
| AAR Class: | MW: Maintenance of Way Class |
| AAR Type: | M100 |
| Detail Info: | Misc Cars, MW-M of W Equip |
| Plate: | B |
| Max Gross Weight: | 263000 |
| Load Limit: | 197400 |
| Dry Capacity: | 2244 |
| Ext L/W/H: | 57' 6" / 10' 7" / 8' 1" |
| Int L/W/H: | 52' 6" / 9' 6" / 4' 6" |