| Present Location | Keighley Worth Valley |
| County Location | West Yorkshire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 89 |
| Lot number | 30525 |
| Type | TSO |
| First Number | 4840 |
| Later Numbers | M4840 KWVR 33 |
| Present Number | M4840 33 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1982. Fluorescent lighting (as built). Restored late 1990s. Used regularly in passenger service. |
| Owner | Keighley & Worth Valley Railway Trust |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| 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 | Some replaced/reproduced material |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Many |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 28/08/2006 |
| Surveyor | Kevin Stroud |
| Photo Date | 03/08/2023 |
| Photo by | Paul Holroyd |
| At Risk | No |
| Date Record Last Updated | 15/08/2023 |
