SJ Ra











Ra

SJ Ra near Gävle.jpg
Rapid 846 at the Swedish Railway Museum



















Type and origin
Power type Electric
Builder ASEA
Build date 1955, 1961
Total produced 10


































Specifications
Configuration:

 ​
 • AAR
 B-B
 • UIC
 Bo′Bo′
Gauge
1,435 mm (4 ft 8 1⁄2 in)
Length 15,100 mm (49 ft 6 1⁄2 in)
Loco weight 65 t (64 long tons; 72 short tons)
Electric system/s
15 kV ​16 2⁄3 Hz AC Catenary
Current pickup(s) Pantograph














Performance figures
Maximum speed 150 km/h (93 mph)
Power output 2,640 kW (3,540 hp)
Tractive effort 200 kN (45,000 lbf)














Career
Operators Statens Järnvägar
Numbers 846-847
987-994
Retired 1996

The SJ Class Ra (or Rapid) is an electric locomotive operated by Swedish State Railways (Swedish: Statens Järnvägar, SJ). Ten units were built by ASEA, two in 1955 and eight in 1961. Ra was used on express trains until the 1990s.



History


During the 1940s SJ had a need for quicker locomotives for their express trains. In 1953 two bogie-locomotives were ordered from ASEA. Inspiration for the appearance came from North America, with round shapes and a bulldog nose. The two first units were successful and SJ ordered additional eight units from ASEA, delivered in 1961. Though never being used for more than 130 km/h, it was capable for 150 km/h, and served mainly on Stockholm - Göteborg and Stockholm - Oslo. They were mainly taken out of service in the late 1980s, though two remained in service until 1996. Most have been preserved, including at the Swedish Railway Museum and at Nässjö Railway Museum.



SJ Ra 847.jpg




External links







  • Järnväg.net on Ra (in Swedish)








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