1Co Co1
Under the British and Imperial classification scheme of locomotive axle arrangements, which is related to the UIC classification, 1Co+Co1 is a classification code for a locomotive wheel arrangement of two eight-wheeled bogies with an articulated inter-bogie connection, each with three axles powered by a separate traction motor per axle and with the fourth non-powered axle in an integral leading pony truck to reduce the axle load. The similar classification is in the same axle configuration, but without the inter-bogie connection.South African Railways Index and Diagrams Electric and Diesel Locomotives, 610mm and 1065mm Gauges, Ref LXD 14/1/100/20, 28 January 1975, as amended Other equivalent classifications are: * AAR classification: 1-C+C-1 * UIC classification: (1′Co)+(Co1′) Overview The 1Co+Co1 wheel arrangement for electric and diesel-electric locomotives was a development of the Co+Co wheel arrangement to enable a relatively heavy locomotive to work on light rail by ...
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