SJ U

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U
Uf 849 in 2000
Type and origin Power type Electric Builder ASEA Nyqvist och Holm Motala ASJ Falun Thune Build date 1929–1956 Total produced 152
Specifications Configuration: ​  • UIC Co' Gauge 1,435 mm (4 ft 8+1⁄2 in) Length 9,600 mm (31 ft 6 in) Loco weight 47.4 tonnes (46.7 long tons; 52.2 short tons) (Ub, Ue) 49.2 tonnes (48.4 long tons; 54.2 short tons) (Uc) 50.4 tonnes (49.6 long tons; 55.6 short tons) (Ud, Uf) Electric system/s 15 kV  16+2⁄3 Hz AC Catenary Current pickup(s) Pantograph
Performance figures Maximum speed 45 km/h (28 mph) (Ua, Ub, Uc, Ue) 60 km/h (37 mph) (Ud, Uf) Power output 610 kW (820 hp) (Ua, Ub, Uc, Ud) 920 kW (1,230 hp) (Ue, Uf)

U is a class of 152 electric shunter locomotives operated by the Swedish State Railways (Swedish: Statens Järnvägar, SJ) and Trafikaktiebolaget Grängesberg–Oxelösunds Järnvägar (TGOJ) of Sweden, and the Norwegian State Railways (NSB), LKAB and Norsk Jernverk of Norway. They were built by ASEA, Nyqvist och Holm, Motala, ASJ Falun and Thune between 1926 and 1956. NSB gave the class the designation El 10.