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The 257 Series is a meter gauge freight electro-diesel locomotive based on Stadler Rail's Euro Dual series. It is operated by Ferrocarrils de la Generalitat de Catalunya (FGC) in the Llobregat-Anoia line.
The locomotive was commissioned to replace and expand the freight service operated by the aging 254 series. Five locomotives were built in Stadler Valencia's production plant in Albuixech, Valencia. They were delivered in 2022 and entered service in 2023. While originally delivered in a red livery, the locomotives were repainted green to match FGC's corporate identity. The locomotive is based on the Stadler SALi (South American Light Loco), a version of the Euro Dual for a meter gauge railway operated by Ferroviaria Andina in Bolivia. [1]
The locomotives are used to transport two main cargo types; potash and salt trains from the Súria mines and cars from the SEAT factory in Martorell, along the Llobregat–Anoia Line to the port of Barcelona [2]
The dual power technology of the 257 series allows trains to draw power from the 1500V catenary used by commuter trains (FGC 213 Series) in the mainline tracks between Sant Boi and Manresa while operating as a diesel train in the non-electrified industrial branches [3]
Ferrocarrils de la Generalitat de Catalunya, or FGC, is a railway company which operates several unconnected lines in Catalonia, Spain.
An electro-diesel locomotive is a type of locomotive that can be powered either from an electricity supply or by using the onboard diesel engine. For the most part, these locomotives are built to serve regional, niche markets with a very specific purpose.
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