U class or Class U may refer to: *

British U-class submarine The British U-class submarines (officially "War Emergency 1940 and 1941 programmes, short hull") were a class of 49 small submarines built just before and during the Second World War. The class is sometimes known as the ''Undine'' class, after ...

, submarines built just before and during World War II * U-class destroyer, destroyers of the Royal Navy launched in 1942–1943 *

SR U class The SR U class are 2-6-0 steam locomotives designed by Richard Maunsell for passenger duties on the Southern Railway (UK), Southern Railway (SR). The class represented the penultimate stage in the development of the Southern Railway's 2-6-0 "fam ...

, 2-6-0 steam locomotives built for the Southern Railway * GNRI Class U, 4-4-0 steam locomotives built for the Great Northern Railway, Ireland * NER Class U, 0-6-2 steam locomotives built for the North Eastern Railway *

NZR U class The NZR U class, the first tender locomotives built in New Zealand, were a class of 4-6-0 Ten Wheeler locomotive designed to the requirements of Mr T. F. Rotherham and built at NZR Addington between 1894 and 1903. They were amongst NZRs' longe ...

, 4-6-0 steam locomotives built for New Zealand Railways *

Russian locomotive class U The Russian locomotive class U (Russian: У) was a Russian express passenger steam locomotive type. The class U was a 4-6-0 four-cylinder compound locomotive which used de Glehn compound system. One unit, Locomotive U-127 was preserved as par ...

, 4-6-0 steam locomotives *

South African Class U 2-6-2+2-6-2 South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both west and east. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþaz' ...

, steam locomotives *

Class U special wagon The International Union of Railways groups all special classes of railway goods wagon (less those in classes F, H, L, S or Z) into Class U in its UIC classification of goods wagons, goods wagon classification system. These are: * Bulk goods wagons ...

, railway goods wagons * U-class Melbourne tram

See also