| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | BR |
| Built by | BRCW |
| Diagram number | 558 |
| Lot number | 30294 |
| Type | DMCL |
| First Number | 50528 |
| Later Numbers | M50528 53528 |
| Present Number | M50528 |
| Current Livery | BR Rail Blue |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 104. P 1993. Fully restored 1994 to BR green livery. In service, paired with DMBS 50454 (qv). Interior panelling in wood from original. Some repanelling carried out. 11/17: interior refurbishment in progress - completed by 10/18. |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Satisfactory |
| Internal Finish | 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 | Few |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| 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 | 26/02/2019 |
