| Present Location | Weardale |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | DP229 |
| Lot number | 30978 |
| Type | DMSL |
| First Number | 55533 |
| Present Number | 55533 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4 wheel |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 2001. With 55513 makes up Unit 141113. Owned by Llangollen Railcar Group but at MRC. The only unit of this class to be modified with Cummins engine and Voith transmission. Fully restored 2006/7. Both cars of this unit from MRC to Weardale 6/10. |
| Owner | Llangollen Railcar Group |
| 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 | Unique |
| Historical Importance | of some Importance |
| Storage | Open |
| Operating | Yes |
| Survey Date | 01/05/2007 |
| Surveyor | Evan Green-Hughes |
| Photo Date | 01/06/2007 |
| Photo by | Evan Green-Hughes |
| At Risk | No |
| Date Record Last Updated | 18/07/2010 |