| Present Location | Quainton |
| County Location | Buckinghamshire |
| Designed For | BR |
| Build Location | Swindon |
| Built by | BR |
| Diagram number | 93 |
| Lot number | 30149 |
| Type | TSO |
| First Number | 4066 |
| Later Numbers | BB99017 |
| Present Number | 99017 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Used with Nomix Chipman weed killing train as staff and dormitory vehicle, then by Balfour Beatty as mess coach. Heavily modified. Commonwealth bogies. To Quainton Autumn 2002 for future volunteer overnight accommodation or for disabled use. |
| Owner | Quainton Railway Society |
| External Structural Condition | Good |
| Internal Structural Condition | Fair |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | As left Departmental service |
| Degree of Internal Originality | Conversion/rebuild/reproduction |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Degree of External Authenticity | Fair |
| Degree of Internal Authenticity | Poor |
| Degree of Underframe Authenticity | Poor |
| Rarity | n/a |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 19/06/2003 |
| Surveyor | Phil Marsh |
| Photo Date | 25/10/2002 |
| Photo by | Byron Chamberlain |
| At Risk | No |
| Date Record Last Updated | 01/01/2025 |
