| Present Location | Llangollen |
| County Location | Denbighshire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 588 |
| Lot number | 30521 |
| Type | DMBS |
| First Number | 51618 |
| Present Number | M51618 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 127. P 1985. "Bed-Pan" diesel hydraulic. W 1984; to Llangollen 3/1985. In service (non-authentically!) with Cravens DTCL 56456. In lined dark green livery. By 11/17: restoration work in active progress (see main photo). |
| Owner | Llangollen Railcars Ltd |
| 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 | 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 | Under Cover |
| Operating | No |
| Survey Date | 01/01/2005 |
| Surveyor | Evan Green-Hughes |
| Photo Date | 18/05/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 20/02/2019 |
