| Present Location | Dean Forest Railway |
| County Location | Gloucestershire |
| Designed For | BR |
| Built by | Metro Cammell |
| Diagram number | 172 |
| Lot number | 30186 |
| Type | BCK |
| First Number | 21129 |
| Present Number | 21129 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | No |
| Additional Notes | P 1981 Dean Forest. B4 bogies. Part of Guard's area converted for disabled use. To Llangollen by 09/13 - understood to be for contract overhaul. By 09/15 back at Dean Forest and in operational use. |
| Owner | Dean Forest Railway Company |
| External Structural Condition | Satisfactory |
| Internal Structural Condition | Good |
| Underframe Condition | Very Good |
| External Finish | Satisfactory |
| Internal Finish | Very Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | Some replaced/reproduced material |
| 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 | Very Good |
| Rarity | Several |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Open |
| Operating | Yes |
| Survey Date | 17/06/1999 |
| Surveyor | Jackie Cope |
| Photo Date | 04/09/2015 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 09/03/2024 |
