| Owner: | General American Marks Company |
| Type: | Gondola |
| 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: | J304 |
| Detail Info: | Gondola, Load Limit: 185,000 and greater, Flat Bottom, Inside Length: Greater than 61 ft |
| Plate: | G |
| Max Gross Weight: | 286000 |
| Load Limit: | 202800 |
| Dry Capacity: | 6100 |
| Ext L/W/H: | 78' 7" / 10' 10" / 13' 1" |
| Int L/W/H: | 76' 6" / 9' 7" / 9' 6" |
