| Owner: | St. Maries River Railroad Company |
| Type: | Box Car |
| AAR Class: | LU: An enclosed with roof, having a special metal beam of heavy design at top of each side to support a series of retractable overhead side doors and their apparataces, or other types of doors, running substantially the length of car, which beams also support the roof details. Car may be equipped with special loading devices or racks for handling various commodities. |
| AAR Type: | L047 |
| Detail Info: | Special Type Cars, Inside Length: 49ft 8in - 59ft 8in |
| Plate: | B |
| User Notes: | Thrall-door |
