| Present Location | Crewe LNWR Heritage Company |
| County Location | Cheshire East |
| Designed For | BR |
| Build Location | Swindon |
| Built by | BR |
| Diagram number | 73 |
| Lot number | 30717 |
| Type | FO |
| First Number | 3148 |
| Later Numbers | E3148 |
| Present Number | M3148 |
| 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 | Passed to Flying Scotsman Railways, latterly Rail Charter Services in c1995. During 1999 painted into blue/gey livery. Based at Bounds Green until early 2003 when passed to Riviera Trains and moved to Crewe Carriage Shed. Acquired by Locomotive Services Ltd in 2008 and moved to Carnforth where painted in BR maroon livery. 2012: moved to Eastleigh and used as part of the Riviera Trains charter fleet. 2014: moved to Crewe LNWR Heritage Company site and received a full overhaul. By 05/18: back in traffic, 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 | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 01/07/2000 |
| Surveyor | Trevor England |
| Photo Date | 16/08/2023 |
| Photo by | Nick Felton |
| At Risk | No |
| Date Record Last Updated | 06/10/2023 |
