| Present Location | Mid Norfolk |
| County Location | Norfolk |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 108 |
| Lot number | 30844 |
| Type | TSO |
| First Number | 5866 |
| Later Numbers | W5866 |
| Present Number | 5866 |
| Current Livery | BR InterCity |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Mk 2e. To North Norfolk Railway 09/12. Reported with others after clean/de-grime to Weardale 11/12 for Christmas "Polar Express" operations. Back to Mid Norfolk by 03/13. Again with others to Weardale 11/13 for same reason. By 07/15: at Mid Norfolk again. By 04/17: at Weardale again. 05/17: to Severn Valley Railway for Diesel Gala, then from 06/17 at Midland Railway Centre, Butterley. 08/17: to Weardale Railway. By 12/18: at Mid-Norfolk Railway again. |
| Owner | Eastern Rail Services |
| External Structural Condition | Good |
| Internal Structural Condition | Good |
| Underframe Condition | 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 | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 16/07/2015 |
| Surveyor | David Wigley |
| Photo Date | 20/10/2012 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 25/01/2019 |
