| Present Location | South Devon Railway |
| County Location | Devon |
| Designed For | BR |
| Built by | Gloucester |
| Diagram number | 539 |
| Lot number | 30419 |
| Type | DMBS |
| First Number | 55000 |
| Later Numbers | W55000 |
| Present Number | W55000 |
| 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 122. First of Class 122: worked on Devon & Cornwall branches, then elsewhere in UK, then back to Plymouth. Asbestos removal, refurbishment 1987. Last to be withdrawn, in 1993. P 1996 ex MC Metals. 2010 Restoration completed, and repainted. By 07/17: repainted again. |
| Owner | South Devon Railway DMU Group |
| 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 | 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 | Some Importance |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 17/09/2015 |
| Surveyor | D. Wigley |
| Photo Date | 01/06/2012 |
| Photo by | Alan Tagg |
| At Risk | No |
| Date Record Last Updated | 22/12/2022 |
