RENFE Class 321

The RENFE Class 321 (formerly 2100 series) is a class of diesel-electric locomotives operated by Renfe in Spain, designed by Alco and built by them and by Euskalduna under licence.

RENFE Class 321
Locomotive 321 046 in October 1995
Type and origin
Power typeDiesel-electric
DesignerAmerican Locomotive Company
BuilderAlco (8)
Euskalduna (72)
Order numberAlco: 3379
Serial numberAlco S-3379-01 to S-3379-08
ModelAlco FPD-9 or DL500S
Build date1965–1971
Total produced80
Specifications
Configuration:
​
 • AARC-C
Gauge1,668 mm (5 ft 5 21⁄32 in)
Wheel diameter1,016 mm (3 ft 4.0 in)[1]
Length18,567 mm (60 ft 11.0 in)[1]
Loco weight111 t
Prime moverAlco 12-251C
Traction motorsGE 761 (6 off)
Performance figures
Maximum speed120 km/h (75 mph)
Power outputAt flywheel: 2,160 CV (1,590 kW; 2,130 hp)
At rail: 1,250 kW (1,676 hp) continuous
Career
OperatorsRenfe, Adif
ClassSerie 321 de Renfe
Numbers2101 – 2180, later 321-001 – 321-080
LocaleSpain

Technical specifications

The locomotives have a Co-Co wheel arrangement, and are equipped with GEC 5G-761 engines.[2]

History

Production started in 1965. A total of 80 locomotives were built until 1971,[3] with the first eight built by Alco, and the remaining 72 by Euskalduna.[4] Four locomotives were rebuilt for Teco de Media Distancia freight service trials.[2]

Regular services with Renfe have ended, and some locomotives are used by Adif to haul maintenance trains.[4]

  • Adif 321 051 in May 2013
  • Alsa 321, numbered as 2148, in August 2017

References
  1. Goldsack, Paul, ed. (1981). Jane's World Railways 1981-82 (23rd ed.). Jane's Publishing Company Ltd. p. 328. ISBN 0 7106 0726 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. "Locomotoras diesel eléctricas 313 y 321" [Diesel-electric locomotives 313 and 321] (PDF). Vía Libre (in Spanish). Fundación de los Ferrocarriles Españoles. May 2005. pp. 99–106.
  4. Lüders, Rüdiger (February 6, 2020). "Spanien: Mit ALCO-Loks auf Breitspurgleisen" [Spain: With ALCO locomotives on broad-gauge tracks]. lok-report.de (in German). Lokomotive Fachbuchhandlung GmbH. Archived from the original on March 9, 2020. Retrieved March 9, 2020.

Further reading
  • Galan Eruste, Manuel (1997). Las Alcos ibericas (in Spanish). Hors-Série Maquetren.
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