| Present Location | Wensleydale Railway |
| County Location | North Yorkshire |
| Designed For | BR |
| Built by | Pressed Steel |
| Diagram number | 512 |
| Lot number | 30518 |
| Type | DMBS |
| First Number | 55032 |
| Later Numbers | ADB977842 |
| Present Number | W55032 |
| Current Livery | BR multiple unit green livery |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | No |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Class 121. Departmental stock (Sandite vehicle) 12/92 to 02/94. P 1994 Waterman Railways. By 04/01 reported as fully overhauled and re-upholstered (seats awaiting refitting). Sold to Arriva Trains Wales 09/05: delivered to them 06/06. Refurbished and in regular use: Set No. 121032. Based at Cardiff Canton. Withdrawn 02/13. Purchased by Chiltern Railways for spares: from Cardiff to Tyseley 05/13, then to Aylesbury 02/14. Purchased 04/15 by Wensleydale Railway and to Leeming Bar 05/15. Livery changed from Arriva Trains Wales to BR multiple unit green. 02/20: sustained damage to west end cab in a collision with a fallen tree brought down during Winter storm. 11/20: moved to Nemesis Rail for repairs to storm damage. 04/21: returned to Wensleydale Railway, following completion of collision damage repairs at Nemesis Rail. |
| Owner | Wensleydale Railway |
| External Structural Condition | Good |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Satisfactory |
| External Finish | Very Good |
| Degree of External Originality | As left Departmental service |
| Degree of Internal Originality | Not Applicable |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Not Applicable |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Few |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 02/05/2000 |
| Surveyor | Gordon Maslin |
| Photo Date | 19/08/2024 |
| Photo by | Peter Wreford |
| At Risk | No |
| Date Record Last Updated | 10/09/2024 |
