Renfe Class 251

The Renfe Class 251 is a class of electric locomotives operated by Renfe in Spain. They are aesthetically and conceptually based on the JNR Class EF66 operated in Japan, but they have many differences in mechanical design and power output, as well as manufacturers.[1]

Renfe Class 251
A Class 251 hauling a freight train in January 2016
Type and origin
Power typeElectric
BuilderMitsubishi Heavy Industries, CAF, MACOSA
Electrical equipment: Mitsubishi Electric, Westinghouse
Build date1982
Total produced30
Specifications
Configuration:
​
 • AARB-B-B
Gauge1,668 mm (5 ft 5+21⁄32 in)
Length20.7 m (67 ft 11 in)
Loco weight138 t
Electric system/s3000 V DC overhead catenary
Current pickup(s)Pantograph
Performance figures
Maximum speed100 km/h (60 mph)
160 km/h (100 mph)
Power output4,650 kW (6,236 hp)
Career
OperatorsRenfe
ClassSerie 251 de Renfe
Numbers251.001–251.030
DispositionSpain

Technical specifications

The locomotives have a B-B-B wheel arrangement,[2] and are equipped with monomotor bogies, which have switchable gear ratios.[1] Their maximum axle load is 23 tonnes.[3]

History

The locomotives were introduced in 1982. A total of 30 locomotives have been built.[1] They are mainly used on freight services.[3]

  • Japanese Class EF66, from which the Class 251 is derived
    Japanese Class EF66, from which the Class 251 is derived

References

Footnotes
  1. Johnston, Howard; Harris, Ken (2005). Jane's Train Recognition Guide. HarperCollins. p. 344. ISBN 978-0-06-081895-1.
  2. Harris, Ken, ed. (2005). Jane's World Railways 2005-2006 (47th ed.). Jane's Information Group. p. 415. ISBN 0 7106 2710 6.
  3. Ross, David; et al. (2007). The Encyclopedia of Trains & Locomotives (Paperback ed.). Amber Books. p. 476. ISBN 978-1-905704-45-3.

Further reading

Media related to Renfe Class 251 at Wikimedia Commons

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