| Present Location | Rowden Mill |
| County Location | Herefordshire |
| Designed For | BR |
| Build Location | Swindon |
| Diagram number | 3379 (wagon) |
| Type | SPEC |
| First Number | DB999508 |
| Present Number | DB999508 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | No |
| Additional Notes | Specialist Departmental vehicle, built new (57 ft as per BG). Originally inspection saloon; converted by BR in mid-1980s to track recording car. 2001: Serco further modified it when a generator set was installed. Original bogies replaced by B4 type P 05/15 and to Williton, West Somerset Railway for assessment of costs of overhaul and restoration back to inspection saloon. By 11/17: overhaul complete; livery changed to BR maroon. 08/20: offered for sale. By 11/20: moved from West Somerset Railway to Rowden Mill Station, Herefordshire. |
| Owner | Private |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | As left Departmental service |
| Degree of Internal Originality | As left Departmental service |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Unique |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 13/09/2015 |
| Surveyor | David Wigley |
| Photo Date | 04/11/2017 |
| Photo by | Paul Dunn |
| At Risk | No |
| Date Record Last Updated | 13/01/2021 |
