| Present Location | Embsay |
| County Location | North Yorkshire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 171 |
| Lot number | 30731 |
| Type | BCK |
| First Number | 21261 |
| Later Numbers | E21261, YDR 3 |
| Present Number | E21261 |
| Current Livery | BR Crimson Lake and Cream |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1983. Commonwealth bogies replaced by B1 bogies. Disabled conversion to brake area. Part of operational fleet. 09/16: off bogies, with overhaul under way. 03/20: overhaul completed; livery changed from BR maroon to BR crimson lake and cream. |
| Owner | Yorkshire Dales Railway Museum Trust |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Very Good |
| Internal Finish | Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | Some replaced/reproduced material |
| Degree of External Authenticity | None |
| Degree of Internal Authenticity | Poor |
| Degree of Underframe Authenticity | Good |
| Rarity | Many |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 23/08/2005 |
| Surveyor | Kevin Stroud |
| Photo Date | 24/10/2021 |
| Photo by | Paul Holroyd |
| At Risk | No |
| Date Record Last Updated | 28/12/2021 |
