| Owner: | Reading Blue Mountain & Northern |
| 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: | J301 |
| Detail Info: | Gondola, Load Limit: 185,000 and greater, Flat Bottom, Inside Length: 36-48ft |
| Plate: | B |
| Dry Capacity: | 4000 |
| User Notes: | ex-HLMX 402 (Thrall) |
