| Present Location | Didcot |
| County Location | Oxfordshire |
| Designed For | GWR |
| Built by | BRCW |
| Diagram number | C24 |
| Lot number | 1098 |
| Type | TK |
| First Number | 3299 |
| Later Numbers | 079002 |
| Present Number | 3299 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Only surviving "Dreadnought", revolutionised carriage design nationally: 70 ft and strange cross-over corridor not repeated for over 50 years. P 1964 by GWS from Newquay; at Totnes until 1967. No seating. Important vehicle. |
| Owner | Great Western Preservations Ltd |
| External Structural Condition | Poor but Substantially Complete |
| Internal Structural Condition | Poor but Substantially Complete |
| Underframe Condition | Poor but Substantially Complete |
| External Finish | Poor and Incomplete |
| Internal Finish | Poor and Incomplete |
| Degree of External Originality | As left Departmental service |
| Degree of Internal Originality | As left Departmental service |
| Degree of Underframe/Running Gear Originality | As left Departmental service |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Unique |
| Historical Importance | Exceptionally Important |
| Storage | Under Cover |
| Operating | No |
| Survey Date | 20/08/2004 |
| Surveyor | Kevin Stroud |
| Photo Date | 12/08/2002 |
| Photo by | Byron Chamberlain |
| At Risk | No |
| Date Record Last Updated | 18/07/2020 |
