| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | SR |
| Build Location | Eastleigh |
| Built by | SR |
| Diagram number | 3092 |
| Lot number | 1090 |
| Type | BY |
| First Number | 931 |
| Present Number | 931 |
| Current Livery | SR Green |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4 wheel |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1978. S&T mobile workshop/generator van. SR green livery. Number carried on underframe plate. 05/18: at Carrog. |
| External Structural Condition | Good |
| 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 |
| Operating | Yes |
| Survey Date | 11/10/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 18/05/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 23/12/2022 |
