| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 640 |
| Lot number | 30466 |
| Type | DTCL |
| First Number | 56223 |
| Later Numbers | M53223 54223 Spirit of Speyside |
| Present Number | 54223 |
| Current Livery | BR multiple unit green livery |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 108, ex Unit L213. W 06/93. P 1994 by GW Preservation Group, Southall. To EARM 04/98 with 50628. 03/00: the two to Keith & Dufftown on long-term hire. Being repainted to BR multiple unit green when seen 09/03. This one (only) back to EARM 10/05. To Llangollen 03/10, on loan. 03/19: general repaint under way. |
| Owner | Diesel Unit Preservation Associates Ltd (DUPA) |
| 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 | 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 | Several |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 01/09/1998 |
| Surveyor | Mike Stanbury |
| Photo Date | 18/05/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 18/03/2019 |
