British Rail Class 171 Turbostar diesel multiple unit British Rail Class 171 A variant of the Turbostar DMU used by Southern, the Class 171 matches Class 170 mechanically but uses Dellner couplers for compatibility with Southern’s third-rail EMUs.
Southern Railway 4Sub EMUs (British Rail Class 405): South London suburban electric units British Rail Class 405 History and design of Southern Railway 4Sub EMUs (British Rail Class 405): four-car suburban electric multiple units built and converted for dense South London services, operating…
