| Present Location | Midland Railway Centre |
| County Location | Derbyshire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 646 |
| Lot number | 30602 |
| Type | DTCL |
| First Number | 56490 |
| Later Numbers | M54490 |
| Present Number | M54490 |
| Current Livery | BR Rail Blue and Pearl Grey |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 108. Dgm DS311. P 1993. With 51907 (qv) from new: formed unit LO 262 - last in BR use from Longsight. Fully restored 1999 to BR Rail Blue and Pearl Grey livery. Still carries Unit Number LO 262. In service. 11/17: temporary move from Llangollen to Midland Railway Centre for Winter 2017-18; 01/19: move made permanent. |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Very Good |
| Internal Finish | Very 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 | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Several |
| Historical Importance | Some Importance |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 11/10/2003 |
| Surveyor | Kevin Stroud |
| Photo Date | 15/04/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 21/02/2019 |
