| Present Location | Chinnor Princes Risborough |
| County Location | Oxfordshire |
| Designed For | BR |
| Build Location | Eastleigh |
| Built by | BR |
| Diagram number | 93 |
| Lot number | 30086 |
| Type | TSO |
| First Number | 3958 |
| Later Numbers | M3958 |
| Present Number | M3958 |
| 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, obtained via Steamtown. By 09/99: sales counter installed across outer end, on site of former toilets (see additional photo). By 09/21: moved from Elsecar Heritage Railway to Chinnor and Princes Risborough Railway. |
| Owner | Elsecar Heritage |
| 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 | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Fair |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 03/09/1999 |
| Surveyor | Jackie Cope |
| Photo Date | 13/10/2019 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 16/11/2021 |
