| Present Location | Crewe LNWR Heritage Company |
| County Location | Cheshire East |
| Designed For | BR |
| Built by | BRCW |
| Diagram number | 73 AD103 |
| Lot number | 30576 |
| Type | FO |
| First Number | 3100 |
| Later Numbers | M3100, W3100 |
| Present Number | M3100 |
| Current Livery | BR Crimson Lake and Cream |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Used whilst still in BR ownership on special trains and spent time on loan to the Scottish Railway Preservation Society and probably Steam Locomotive Owners Association. P c1995 Flying Scotsman Railways, latterly Rail Charter Services, based at Bounds Green. 2004: acquired by English, Welsh and Scottish Railway Company, along with bulk of Rail Charter Services stock and transferred to Old Oak Common. 2006: into storage at Old Oak Common. To Cranmore, East Somerset by 07/08. By 01/11: sold to Riviera Trains and back in mainline service, based at Eastleigh - now in BR(W) Chocolate and Cream livery. By 08/16: at Crewe LNWR Heritage Company in ownership of Locomotive Services Ltd - now in BR crimson lake and cream livery. |
| Owner | Locomotive Services Ltd |
| 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 | 21/09/2002 |
| Surveyor | Mike Stanbury |
| Photo Date | 16/08/2023 |
| Photo by | Nick Felton |
| At Risk | No |
| Date Record Last Updated | 01/10/2023 |
