| Present Location | Pontypool Blaenavon |
| Designed For | BR |
| Built by | Pressed Steel |
| Diagram number | 535 |
| Lot number | 30548 |
| Type | DMS |
| First Number | 51397 |
| Later Numbers | W51397 |
| Present Number | 51397 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | 1959? Class 117. P 5/1994, at Chinnor till 1997: then Stratford & Broadway Railway, at MoD Long Marston. Purchased privately and to Pontypool & Blaenavon Autumn 2001. With 51351 enjoyed successful test run by 2/08; both repainted into "shiny green". |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Fair |
| Internal Finish | Satisfactory |
| 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 | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Several |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Open |
| Operating | No |
| Survey Date | 12/11/1999 |
| Surveyor | David Wigley |
| Photo Date | 01/06/2004 |
| Photo by | Byron Chamberlain |
| At Risk | No |