| Present Location | North Yorkshire Moors |
| County Location | North Yorkshire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 89 |
| Lot number | 30690 |
| Type | TSO |
| First Number | 4921 |
| Later Numbers | M4921, TCL 99171 |
| Present Number | NE4921 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1989: Travelling College: open-saloon classroom, with extra partition. At Bluebell till to Northampton/Lamport 11/00, where restoration commenced: extra partition removed, missing seating reinstated. To NYMR 11/07, where restoration continued. 01/06/17: into passenger service on the NYMR in BR Maroon livery on completion of extensive restoration, involving the removal of most of its Travelling College modifications. |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Satisfactory |
| Internal Finish | 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 | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 26/09/2003 |
| Surveyor | David Wigley |
| Photo Date | 22/09/2017 |
| Photo by | David Young |
| At Risk | No |
| Date Record Last Updated | 17/10/2017 |
