| Present Location | Carnforth |
| County Location | Lancashire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 89 |
| Lot number | 30646 |
| Type | TSO |
| First Number | 4912 |
| Later Numbers | 99318 |
| Present Number | 99318 |
| Current Livery | West Coast Railways maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1991. Back on Commonwealth bogies. Internal conversion by WCRC to fit RMB-style buffet at one end (see main photo). |
| Owner | West Coast Railway Company |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | Some replaced/reproduced material |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Fair |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 31/05/2000 |
| Surveyor | Michael Cope |
| Photo Date | 23/06/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 24/10/2019 |
