Renfe Class 321

Renfe Class 321
Locomotive 321 046 in October 1995
Type and origin Power type Diesel-electric Designer American Locomotive Company Builder Alco (8) Euskalduna (72) Order number Alco: 3379 Serial number Alco S-3379-01 to S-3379-08 Model Alco FPD-9 or DL500S Build date 1965–1971 Total produced 80
Specifications Configuration: ​  • AAR C-C Gauge 1,668 mm (5 ft 5+21⁄32 in) Wheel diameter 1,016 mm (3 ft 4.0 in) Length 18,567 mm (60 ft 11.0 in) Loco weight 111 t Prime mover Alco 12-251C Traction motors GE 761 (6 off)
Performance figures Maximum speed 120 km/h (75 mph) Power output At flywheel: 2,160 CV (1,590 kW; 2,130 hp) At rail: 1,250 kW (1,676 hp) continuous
Career Operators Renfe, Adif Class Serie 321 de Renfe Numbers 2101 – 2180, later 321-001 – 321-080 Locale Spain

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.

Technical specifications

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

History

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

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

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

References

Further reading

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

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