| Present Location | Chinnor Princes Risborough |
| County Location | Oxfordshire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 89 |
| Lot number | 30646 |
| Type | TSO |
| First Number | 4903 |
| Present Number | M4903 |
| 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. By 09/21: moved from Elsecar Heritage Railway to Chinnor and Princes Risborough Railway. |
| Owner | Chinnor & Princes Risborough Railway |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Satisfactory |
| Internal Finish | Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 02/09/1999 |
| Surveyor | Jackie Cope |
| Photo Date | 13/10/2019 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 18/11/2021 |
