| Present Location | Burton upon Trent (Nemesis Rail) |
| County Location | Staffordshire |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | AD105 |
| Lot number | 30821 |
| Type | FO |
| First Number | 3181 |
| Later Numbers | Monarch Topaz |
| Current Livery | Pullman - Blue Pullman Nanking blue/white (pseudo) |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Mk 2d. RESCO registered for mainline running. By 11/05 no longer in operational fleet and stored at Crewe Diesel Depot. To Mid Norfolk Railway by 11/13. By 09/16: at Nemesis Rail, Burton upon Trent for overhaul. |
| Owner | Eastern Rail Services |
| 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 | 02/03/2002 |
| Surveyor | Byron Chamberlain |
| Photo Date | 01/01/2004 |
| Photo by | Byron Chamberlain |
| At Risk | No |
| Date Record Last Updated | 17/07/2024 |
