| Present Location | East Lancashire |
| County Location | Greater Manchester |
| Designed For | BR |
| Build Location | York |
| Built by | BR |
| Diagram number | 93 |
| Lot number | 30079 |
| Type | TSO |
| First Number | 3771 |
| Later Numbers | M3771 |
| Present Number | M3771 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1993. 08/06: undergoing complete refurbishment in Buckley Wells C&W. 10/11: interior refit well under way. 11/12: overhaul completed and back into service. 01/25: refurbishment in progress. |
| Owner | East Lancashire Railway |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Very Good |
| Internal Finish | Very Good |
| 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 | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Building |
| Operating | No |
| Survey Date | 29/11/2012 |
| Surveyor | Andy Morris |
| Photo Date | 03/09/2016 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 25/01/2025 |
