| Present Location | Cambrian Heritage Railways, Oswestry |
| County Location | Shropshire |
| Designed For | BR |
| Built by | Metro Cammell |
| Diagram number | 621 |
| Lot number | 30501 |
| Type | DMCL |
| First Number | 51512 |
| Later Numbers | W51512 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 101. Was in Unit 101687 ex-Strathclyde. To Cambrian Heritage Railway, Llynclys 07/04 as main running pair with 51205 (q.v.). 08/06: exterior and interior completely refurbished - BR multiple unit green livery. 09/19: refurbishment work begun. 05/24: moved from Llynclys site to Oswestry - exterior paintwork poor but no apparent rust; interior intact but needs a deep clean. |
| Owner | Cambrian Railways Trust |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Good |
| External Finish | Fair |
| 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 | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 28/08/2006 |
| Surveyor | Kevin Stroud |
| Photo Date | 07/05/2024 |
| Photo by | Mark Dewell |
| At Risk | No |
| Date Record Last Updated | 16/05/2024 |
