MarketStadler Euro Dual
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Stadler Euro Dual

The Stadler EuroDual is a series of dual power, electro-diesel locomotive by Stadler Rail Valencia. Unlike traditional dual mode locomotives, fitted with relatively low-powered diesel engines for 'last mile' movements only, vehicles are typically furnished with power units more comparable to that of mainline diesel locomotives.

Background
At Innotrans 2012, Vossloh announced the launch of its range of dual mode locomotives; the company's initial offerings included the Vossloh DM30 concept based on the Vossloh DE 18, and the EuroDual locomotives derived from its diesel Euro 4000 and EuroLight classes. Specifically, the Euro Dual shares the majority of its design, including elements such as the bodyshell, braking systems, bogies, traction equipment and software, with the Eurolight series. Initial descriptions issued by Vossloh were of a Co'Co' locomotive with 5MW electrical power and diesel power, with an axle load from . Subsequent orders differed from the initial specifications, with orders from the UK and South Africa being for Bo-Bo locomotives. Eurodual II at 2018 InnoTrans railway fair In comparison to historic dual mode locomotives, the Euro Dual series was not designed with a low-powered diesel powerplant intended only for 'last mile' operations with restrictive acceleration, speed, and range; rather, it was a full capable locomotive in either diesel or electric modes. ==Orders==
Orders
United Kingdom Direct Rail Services 88003 at InnoTrans fair 2016 In September 2013, UK rail operator Direct Rail Services announced it had ordered ten Euro Dual locomotives, with a engine, and 4MW rating electrical equipment (25kV AC operation). The type was subsequently designated as the Class88. The design is a development of the Class 68 (Stadler UKLight) diesel locomotives that Direct Rail Services introduced in 2014, having the bodyshell, cab, brakes, bogies, traction equipment and control software in common, the diesel engine is a Caterpillar C27, albeit a model that conforms with the European IIIB emissions standards unlike that of the Class 68. In April 2016, one vehicle was transferred to the Velim railway test circuit for testing. Rail Operations Group In January 2021, Rail Operations Group confirmed their order of 30 Class 93 locomotives, with the first ten deliveries scheduled for 2023. Unlike the earlier Class 88, these shall be tri mode vehicles furnished with a battery pack, enabling operations away from overhead catenary wires without activating the diesel engine. GB Railfreight On 29 April 2022, GB Railfreight announced an order for 30 new Class 99 locomotives, financed by Beacon Rail. France Following its use in manufacturer trials, the prototype Euro Dual was put up for sale. French operator VFLI purchased this locomotive, had it furnished with French-specific safety apparatus, and has put it into use. During late 2015, PRASA began proceedings in the High Court of South Africa to terminate the contract for both the Afro4000 and Euro-Dual locomotives ordered from Vossloh, and to be repaid the R2.65billion already expended. A specific problem cited was that the supplied diesel locomotives were substantially out of gauge for parts of the network, being 4.14m high, as opposed to a 3.965m limit specified by the government infrastructure and logistics organisation Transnet. PRASA also claimed that Swifambo lacked the necessary experience, and or certification to be awarded the contract, and that Swifambo had failed to meet the terms of the bidding process, in that it lacked experience in the supply of railway equipment. Germany In 2017, private German operator (HVLE) ordered ten Euro Dual locomotives, with an option of ordering further ten, becoming the launch customer for the Euro Dual. Designated in Germany as the Class 159, these locomotives have six traction axles, a maximum continuous power of (electric) and (diesel); the starting traction effort can be as much as 500kN and the maximum speed is specified with . The variant features AC traction motors and separate IGBT converters for each axle. The diesel engine is a CAT C175-16 rated at 2800kW (Stage IIIB compliant). The construction is fully TSI compliant. It features the latest ETCS Baseline3 train protection system and legacy PZB for the German network. During 2018, the first three locomotives were delivered and began the homologation process. Shortly thereafter, a major order for 30 Euro Duals, accompanied by options for 70 more, was placed by the Swiss rolling stock leasing company European Loc Pool (ELP). Tanzania Tanzania Railways Corporation ordered six Euro Dual locomotives for Tanzania Standard Gauge Railway in January 2020. Turkey In 2019, the Turkish open access operator Körfez Ulaştırma ordered seven locomotives; these are intended for 2,000tonne oil trains in Turkey. In addition to supplying the Euro Duals themselves, Stadler is also to contracted perform all maintenance activities upon the fleet. Built in Stadler's plant in Albuixech, they were designated as the 257 series. The metre-gauge locomotives provide freight service, transporting potash and cars in the Llobregat-Anoia line. Norway The Norwegian freight hauler Onrail rents two EuroDuals from European Loc Pool, starting 2022. They are intended for use in Norway, but have been used in Sweden also. ==See also==
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