| Present Location | Embsay |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 181 |
| Lot number | 30095 |
| Type | BSK |
| First Number | 34558 |
| Later Numbers | M34558 YDR 12 |
| Present Number | M34558 YDR No 12 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1983 Peak Rail Buxton. Modified for push/pull use on the passenger shuttle (Guard's lookout provided). To Darley Dale ca. 1991 and to Embsay 1993. Luggage area since converted for disabled passenger use (doors, windows etc). BR Maroon livery. |
| Owner | Yorkshire Dales Railway Museum Trust |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Satisfactory |
| Degree of External Originality | Much replaced/reproduced material |
| 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 | Satisfactory |
| Degree of Internal Authenticity | Fair |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Open |
| Operating | Yes |
| Survey Date | 23/08/2005 |
| Surveyor | Kevin Stroud |
| Photo Date | 31/07/2007 |
| Photo by | Byron Chamberlain |
| At Risk | No |