EntityQ5513316· pop 6· linked from 110 articlesGE U50Sign in to saveAmerican diesel-electric locomotive (1963–1977)Connectionsdiesel-electric transmissionEntityGE TransportationCompanyNorth AmericaEntitylocomotiveEntitydiesel fuelEntitydiesel engineEntityGeneral ElectricCompanytrack gaugeEntityLaramieEntityturbochargerEntitydiesel locomotiveEntitycylinderEntityUnion Pacific RailroadEntitybogieEntityAmerican Locomotive CompanyCompanywheel arrangementEntityElectro-Motive DieselCompanytraction motorEntityUnion Pacific Big BoyEntityrailway air brakeEntityCategoriesB+B-B+B locomotivesDiesel–electric locomotives of the United StatesFreight locomotivesGeneral Electric locomotivesRailway locomotives introduced in 1963Scrapped locomotivesStandard-gauge locomotives of the United StatesUnion Pacific Railroad locomotives