| Present Location | Carnforth |
| County Location | Lancashire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 98 |
| Lot number | 30507 |
| Type | RMB |
| First Number | 1840 |
| Later Numbers | S1840 |
| Present Number | S1840 |
| Current Livery | West Coast Railways maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | No |
| Additional Notes | P 1983 at Mid Hants. Commonwealth bogies - originally B1. Built for Scottish Region. To FM Rail Summer 2006. To Oxley, then Carnforth, then at Stewarts Lane, then back to Carnforth. 02/20: confirmed still at Carnforth. |
| Owner | West Coast Railway Company |
| 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 | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 15/05/2005 |
| Surveyor | Kevin Stroud |
| Photo Date | 23/05/2014 |
| Photo by | Peter Vercruijsse |
| At Risk | No |
| Date Record Last Updated | 25/03/2020 |
