Stadler Euro Dual

The Stadler Euro Dual (known as the Vossloh Euro Dual until 2015) is a design of dual power, electro-diesel locomotive by Stadler Rail Valencia. Three versions of the design have been ordered; 10 units for the United Kingdom, 50 units for South Africa and 10 units for Germany.

Stadler Euro Dual
Stadler Eurodual II at InnoTrans fair 2018
Type and origin
BuilderVossloh España (2012–2015)
Stadler Rail (2016–)
Build date2012–
Specifications
Configuration:
​
 • UICCo'Co'
Bo'Bo' *†
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Wheel diameter1,067 mm (42.0 in)
Axle load19 to 21 t (19 to 21 long tons; 21 to 23 short tons)
Loco weight114 to 126 t (112 to 124 long tons; 126 to 139 short tons)
Fuel capacity2,500 to 5,000 l (550 to 1,100 imp gal; 660 to 1,320 US gal)
Electric system/s15 kV 16.7 Hz, (or 25 kV 50 Hz, or 1.5 kV DC, or 3 kV DC)
25 kV 50 Hz *
3 kV DC †
Current pickup(s)Pantograph
Prime moverCAT 8 to 16 cylinder, 1800 rpm
Transmissionelectrical AC/AC type, ABB
Train heating500 kW*
Train brakeswheel disc, electropneumatic
dynamic (regenerative*)
Performance figures
Maximum speed160 km/h (99 mph)
100 mph (160 km/h)*
140 km/h (87 mph) †
Power output7 MW (electrical), 1-2.8 MW (diesel)
4 MW electrical, 0.7 MW diesel*
2.8 MW diesel †
Tractive effortmore than 475 kN (107,000 lbf) starting
317 kN (71,000 lbf)*
Sources = Standard design[1]
* UK locomotives[2]
† Prasa locomotives[3]

Background

At Innotrans 2012, Vossloh launched a range of dual mode locomotives - initial offers included the DM30 based on the Vossloh DE 18, and the EuroDual locomotives derived from its diesel Euro 4000 and EuroLight classes. Initial descriptions were of a Co'Co' locomotive with 5 MW electrical power and 0.7 to 2.8 MW (940 to 3,750 hp) diesel power, with an axle load from 17 to 22.5 t (16.7 to 22.1 long tons; 18.7 to 24.8 short tons).[3] Subsequent orders differed from the initial specifications, with orders from the UK and South Africa being for Bo-Bo locomotives.[2] At Innotrans 2018 the new Eurodual was presented by Stadler.

The first two versions are marketed as UKDual and PrasaDual. The third version of the EuroDual has a Co-Co wheel arrangement.[4] It is specified for heavy cargo transportation. It is expected to be a dual-mode replacement for the very successful Euro 4000 which will soon cease production as it is not IIIB compliant.[5]

Orders

United Kingdom

Direct Rail Services
Stadler Eurodual at InnoTrans fair 2016
Main article: British Rail Class 88

In September 2013, UK rail operator Direct Rail Services announced it had ordered ten Euro Dual locomotives, with a 700 kW engine, and 4 MW rating electrical equipment (25 kV AC operation).[6] The type are to be given the Class 88. 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,[2] the diesel engine is a 950 hp (710 kW) Caterpillar C27.[7] The UK locomotives will comply with Euro III B emission limits.[8][9]

In April 2016 one vehicle was transferred to the Velim railway test circuit for testing.[10]

Rail Operations Group
Main article: British Rail Class 93 (Stadler)

Ten Class 93s have been ordered by Rail Operations Group (ROG), with the first scheduled for delivery in August 2020.[11]

South Africa

In October 2013, Swifambo Rail Leasing placed a €250 million order for 50 Euro Dual and 20 Euro 4000 diesel locomotives, to be leased to the Passenger Rail Agency of South Africa (PRASA) for use on Shosholoza Meyl services. The Euro Dual locomotives were to be Bo-Bo vehicles with 2.8 MW diesel power and a top speed of 140 km/h.[12][13]

In 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 R2.65-billion already expended. A specific problem cited was that the supplied diesel locomotives were substantially out of gauge for parts of the network, being 4.14 m high, as opposed to a 3.965 m 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.[14][15]

Germany

In 2017 private German operator Havelländische Eisenbahnen (HVLE) ordered 10 Eurodual locomotives and a further option of 10. The designated Class 159 locomotives have six traction axles, a maximum continuous power of 7 MW (electric) and 3 MW (diesel). The starting traction effort can be as much as 500 kN and the maximum speed is specified with 160 km/h. The machine will feature AC traction motors and separate IGBT converters for each axle. The Diesel engine is a CAT C175-16 rated at 2800 kW (Stage IIIB compliant). The construction is fully TSI compliant. It features the latest ETCS Baseline 3 train protection system and legacy PZB for the German network. The first three locomotives were delivered in 2018 and are in homologation process.[16]

Bolivia

Bolivian operator, Ferroviaria Andina ordered three Stadler SALi (South American Light Loco) locomotives derived from Euro Dual design and adapted for Bolivian metre-gauge railway, in February 2018.[17]

Tanzania

Tanzania Railways Corporation ordered six Euro Dual locomotives for Tanzania Standard Gauge Railway in January 2020.[18]

References
  1. EURO DUAL Electric and Diesel Electric powered Locomotive (PDF), Vossloh España, S.A, retrieved Oct 2013 Check date values in: |accessdate= (help)
  2. Sources:
  3. Smart operating options with dual-mode locomotives (PDF) (press release), Vossloh
  4. "EURODUAL LOCOMOTIVE" (PDF; 2,4 MB). Stadler Rail. 17 September 2018. Retrieved 13 November 2018.
  5. http://www.railcolor.net/index.php?nav=1412363&lang=1
  6. "DRS orders ten dual-mode Class 88s" Rail issue 731 18 September 2013 page 7
  7. Johnson, Marc (1 April 2014), "Sleek Lines", www.therailengineer.com
  8. "Sleek lines". Rail Engineer. Retrieved 8 April 2016.
  9. "DRS orders 10 electro-diesel locomotives from Vossloh", www.railwaygazette.com, 12 September 2013
  10. Barrow, Keith (15 April 2016), www.railjournal.com http://www.railjournal.com/index.php/locomotives/first-drs-class-88-electro-diesel-ready-for-testing.html Missing or empty |title= (help)
  11. Rail Operations fuels its ambitions with tri-mode Class 93s Rail issue 868 19 December 2018
  12. "Vossloh to supply Euro Dual locomotives to South Africa". Railway Gazette. 10 October 2013. Retrieved 8 April 2016.
  13. Briginshaw, David (14 October 2013). "South African leasing company orders Vossloh locomotives". International Railway Journal. Simmons-Boardman Publishing Inc. Retrieved 8 April 2016.
  14. "Prasa seeks termination of Vossloh locomotive contract". International Railway Journal. Simmons-Boardman Publishing Inc. 3 December 2015. Retrieved 8 April 2016.
  15. Jika, Thanduxolo (29 November 2015). "Take back your trains: Prasa seeks refund in dodgy tender debacle". Sunday Times. Retrieved 8 April 2016.
  16. "HVLE: Erste EURODUAL-Lokomotiven unterwegs". Eisenbahn Kurier (in German). 25 September 2018. Retrieved 13 November 2018.
  17. "Ferroviaria Andina orders Stadler SALi locomotives". Railway Gazette International. 19 February 2018. Retrieved 20 February 2018.
  18. "Tanzania set to test its first electric train in July". CGTN Africa. 4 July 2019.
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