| Present Location | Gloucs Warks |
| County Location | Gloucestershire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 99 |
| Lot number | 30702 |
| Type | RMB |
| First Number | 1876 |
| Later Numbers | M1876 |
| Present Number | M1876 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1993. Restored 11/99, Commonwealth bogies. Repainted 04/14 and returned to the BR Maroon passenger rake (rake 2). |
| 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 | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 10/04/2005 |
| Surveyor | Kevin Stroud |
| Photo Date | 27/05/2019 |
| Photo by | Robert Davidson |
| At Risk | No |
| Date Record Last Updated | 06/09/2019 |
