| Present Location | Erwood |
| County Location | Powys |
| Designed For | GWR |
| Build Location | Swindon |
| Diagram number | S4 |
| Lot number | 77 |
| Type | TY |
| First Number | 587 |
| Present Number | None |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | Body only |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | No |
| Additional Notes | Body P?? at Erwood Station Craft Centre and Museum, Powys. Same as GWR 793 at Gwili. Now converted to Shop/Gallery. Very little interior remains (one partition). Much original material being kept, but not restoring compartments etc. Plastic roof covering. |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Not Applicable |
| External Finish | Good |
| Internal Finish | Not Applicable |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | Not Applicable |
| Degree of Underframe/Running Gear Originality | Not Applicable |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Poor |
| Degree of Underframe Authenticity | Not Applicable |
| Rarity | Few |
| Historical Importance | Some Interest |
| Storage | Open |
| Operating | No |
| Survey Date | 23/08/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 23/08/2003 |
| At Risk | No |
| Date Record Last Updated | 13/04/2016 |
