| Present Location | Embsay |
| County Location | North Yorkshire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 99 |
| Lot number | 30670 |
| Type | RMB |
| First Number | 1857 |
| Later Numbers | M1857 YDR 13 |
| Present Number | M1857 YDR 13 |
| 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. Part of operational fleet. |
| Owner | Yorkshire Dales Railway Museum Trust |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | Much 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 | Poor |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Survey Date | 23/08/2005 |
| Surveyor | Kevin Stroud |
| Photo Date | 15/07/2023 |
| Photo by | Paul Holroyd |
| At Risk | No |
| Date Record Last Updated | 28/07/2023 |
