| Present Location | Mid Norfolk |
| County Location | Norfolk |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 180 |
| Lot number | 30777 |
| Type | BSO |
| First Number | 9423 |
| Later Numbers | E9423 025000 |
| Present Number | None |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Mk 2a. Became internal user at Preston Station as 025000. Sold 1994 from BR to Trainsrail, then EWS, then DBS. Moved 01/10 to Crewe Diesel Depot but at Ruddington by 03/12. "9423" visible under the paintwork. Then to Mid Norfolk Railway by 08/12.
|
| Owner | Class 37 Loco Group |
| External Structural Condition | Good |
| Internal Structural Condition | Poor but Substantially Complete |
| Underframe Condition | Satisfactory |
| External Finish | Fair |
| Internal Finish | Poor but Substantially Complete |
| Degree of External Originality | As left Departmental service |
| Degree of Internal Originality | As left Departmental service |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Rarity | Several |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Survey Date | 24/09/2012 |
| Surveyor | David Wigley |
| Photo Date | 30/12/2017 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 27/04/2021 |
