***checkdd and tested***. The Hornby R2312 Duchess Class Locomotive City of Chester 46239 is a detailed model replica of a British Rail steam locomotive from Era 5. This 00 gauge locomotive features a 4-6-2 wheel configuration and is pre-built, ready to go for enthusiasts. With its green corporate livery and analogue control system, this plastic model captures the essence of British Railways in the 1957-1966 period. Perfect for collectors and model railway enthusiasts, this Hornby locomotive showcases the transportation theme with its accurate details and features a tender for added realism.