| Present Location | Dean Forest Railway |
| County Location | Gloucestershire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 646 |
| Lot number | 30602 |
| Type | DTCL |
| First Number | 56492 |
| Later Numbers | 54492 |
| Present Number | M56492 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 108. P 1992. Previously worked with 50619 (qv). 04/07: working with 51914 (qv). 09/15: working with 50619. Operational until 2017, but not used in 2018/19. 08/20: re-entered service working with 51914. |
| Owner | DMU Group (Dean Forest Railway) |
| 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 | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 22/04/2007 |
| Surveyor | Kevin Stroud |
| Photo Date | 05/08/2020 |
| Photo by | Alan Pace |
| At Risk | No |
| Date Record Last Updated | 09/03/2024 |
