| Present Location | Northampton Lamport |
| County Location | Northamptonshire |
| Designed For | BR |
| Build Location | Eastleigh |
| Built by | BR |
| Diagram number | 93 |
| Lot number | 30086 |
| Type | TSO |
| First Number | 3919 |
| Later Numbers | S3919 DB977624 |
| Present Number | M3919 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | No |
| Additional Notes | P 03/90. Commonwealth bogies. |
| Owner | Private |
| External Structural Condition | Satisfactory |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| 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 | 13/11/1999 |
| Surveyor | Gordon Maslin |
| Photo Date | 09/02/2020 |
| Photo by | Craig Browning |
| At Risk | No |
| Date Record Last Updated | 29/02/2020 |
