| Owner: | Union Pacific Railroad Company |
| Type: | Open Hopper |
| AAR Class: | GT: Open top car, having high fixed sides and fixed or hinged ends and solid bottom, suitable for unloading on dumping machines only. |
| AAR Type: | J300 |
| Detail Info: | Gondola, Load Limit: 185,000 and greater, Flat Bottom, Inside Length: Less than 36ft |
| Plate: | B |
| Max Gross Weight: | 263000 |
| Load Limit: | 206100 |
| Dry Capacity: | 1535 |
| Ext L/W/H: | 34' 3" / 10' 7" / 11' 7" |
| Int L/W/H: | 29' 0" / 8' 2" / 8' 0" |
