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The Lionel Corporation used the 2-6-4 wheel arrangement in many of its model steam locomotives, including the 2037 used in the infamous pastel-coloured Girls' Train. [9] Their 2-6-4 model was based on the Pennsylvania Railroad’s K4 class pacific , even though this was a 4-6-2 rather than a 2-6-4.
The 2-6-6-4 was a fairly late development, a product of the superpower steam concept, introduced by the Lima Locomotive Works, which encouraged the use of large fireboxes supported by four-wheel trailing trucks. Such a firebox could sustain a rate of steam generation to meet any demands of the locomotive's cylinders, even at high speed.
No. 1218 is the sole survivor of the Norfolk and Western's class A locomotives and the only surviving 2-6-6-4 steam locomotive in the world. While smaller than Union Pacific's famous and more numerous "Challenger" class of 4-6-6-4 locomotives, Norfolk and Western's design racked up unmatched records of performance in service.
The Norfolk and Western A was a class of 43 2-6-6-4 simple articulated steam locomotives built by the railroad's own Roanoke Shops between 1936 and 1950 and operated until the late 1950s. The locomotives hauled fast and heavy freight trains for the railroad and only one has been preserved, No. 1218.
Locomotives classified 2-6-4 under the Whyte notation of locomotive axle arrangements. The equivalent UIC classification of locomotive axle arrangements is 1C2 or 1'C2' . Subcategories
The introduction of the 4-6-2 design in 1901 has been described as "a veritable milestone in locomotive progress". [3] On many railways worldwide, Pacific steam locomotives provided the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...
2-6-2+2-6-2 Under the Whyte notation for the classification of steam locomotives by wheel arrangement , a 4-6-2+2-6-4 is a Garratt or Union Garratt articulated locomotive using a pair of 4-6-2 engine units back to back, with the boiler and cab suspended between them.
The Royal Bavarian State Railways' sole class S 2/6 steam locomotive was built in 1906 by the firm of Maffei in Munich, Germany. It was of 4-4-4 wheel arrangement in the Whyte notation , or 2'B2' h4v in the UIC classification scheme, and was a 4-cylinder, von Borries , balanced compound locomotive .