| Present Location | Gwendraeth Valley Railway |
| County Location | Carmarthenshire |
| Designed For | BR |
| Built by | Pressed Steel |
| Diagram number | 811 / NI501 |
| Lot number | 30417 |
| Type | GUV |
| First Number | 86200 |
| Later Numbers | 85534, 94034, W94034 |
| Present Number | None |
| Current Livery | BR Rail Blue |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Mk 1 GUV; converted 1977/8 to Gangwayed Newspaper Van NLX (Design Code NL501). To Barrow Hill via Booth Roe, Rotherham, 11/98. Used for storage. By 09/21: moved from Barrow Hill to Gwendraeth Valley Railway. |
| Owner | Pioneer Diesel Group |
| External Structural Condition | Fair |
| Internal Structural Condition | Fair |
| Underframe Condition | Poor but Substantially Complete |
| External Finish | Fair |
| Internal Finish | Satisfactory |
| 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 | Fair |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 28/04/2001 |
| Surveyor | Trevor England |
| Photo Date | 28/04/2001 |
| At Risk | No |
| Date Record Last Updated | 30/11/2021 |
