| Present Location | SCRAPPED |
| Designed For | LMS |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 2169 |
| Lot number | 1628 |
| Type | SLT(T) |
| First Number | 623 |
| Later Numbers | M623M |
| Present Number | 623 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Additional Notes | P Bluebell 06/77. Used for volunteer accommodation at Horsted Keynes; lined LMS maroon line side only; other side is plain maroon (see additional photo below). By 03/19: now plain maroon on both sides. Advertised for 'disposal' April 22. 12/22: sold by Bluebell Railway for re-use and moved off-site - but then scrapped soon afterwards. |
| External Structural Condition | Good |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Good |
| External Finish | Very Good |
| Internal Finish | Satisfactory |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Several |
| Historical Importance | Some Interest |
| Operating | No |
| Survey Date | 25/08/2004 |
| Surveyor | Kevin Stroud |
| Photo Date | 11/03/2019 |
| Photo by | Bradley Wurth |
| At Risk | No |
| Date Record Last Updated | 18/07/2023 |
