GWR green, 50149 Defiance in BR Railfreight general sector triple grey, 50017 Valiant in BR Civil Engineers 'Dutch' grey and yellow and 50008 Thunderer in BR Laira Blue as well as unnamed and unnumbered 50s in BR Blue, and in the original and revised Network South East livery. Dapol have also released a model of the Class 50 in N gauge which include samples in BR Blue, BR large logo Blue and the original NSE livery. Accurascale announced in November 2022 that they would be producing a newly tooled OO gauge Class 50 model, based on a 3D laser scan taken of locomotive 50017 at the Great Central Railway in 2019. References, literature and notes Notes References Sources Further reading External links 50015 Bury Valiant Group – Information on D415/50015 based at the East Lancashire Railway The Fifty Fund – Supporters group for the locomotives owned and operated by The Class 50 Alliance Ltd. – Information on all class 50s and specific coverage of 50007 Hercules, 50031 Hood, 50035 Ark Royal, 50044 Exeter and 50049 Defiance all nominally based at the Severn Valley Railway Class 50 loco-by-loco photo gallery English Electric Archive – gallery dedicated to English Electric Type 4 Co-Co (British Rail Class 50) locomotives in preservation and their restoration 50042 – Information on 50042 Triumph based at the Bodmin and Wenford Railway 50 Co-Co locomotives English Electric locomotives Vulcan Foundry locomotives Railway locomotives introduced in 1967 Standard gauge locomotives of Great Britain Diesel-electric locomotives of Great Britain