| Present Location | Crewe LNWR Heritage Company |
| County Location | Cheshire East |
| Designed For | BR |
| Build Location | Swindon |
| Built by | BR |
| Diagram number | 73 |
| Lot number | 30697 |
| Type | FO |
| First Number | 3122 |
| Later Numbers | W3122 (042137) |
| Present Number | M3122 |
| 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 | Commonwealth bogies. Purchased by Railfilms in 1996 and moved from Thingley Junction to Crewe Carriage shed in 1997 and then sold to Riviera Trains: overhauled and returned to main line use in Riviera Trains formations in BR(W) chocolate and cream livery. 2008: moved to Old Oak Common and remained in use. To Eastleigh in 2009. Remained in use with Riviera Trains at Eastleigh until 2016 when sold to Locomotive Services and moved to Crewe LNWR Heritage Company site where initially stored. 05/19: livery recently changed from BR(W) chocolate and cream to BR crimson lake and cream - back in regular use. |
| Owner | Locomotive Services Ltd |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Good |
| Internal Finish | 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 | 06/03/2002 |
| Surveyor | Trevor England |
| Photo Date | 16/08/2023 |
| Photo by | Nick Felton |
| At Risk | No |
| Date Record Last Updated | 01/10/2023 |
