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Front of locomotive to the left The single S2, No. 6200, in a PRR promotional image.. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 6-8-6 represents the arrangement of six unpowered leading wheels, eight powered and coupled driving wheels, and six unpowered trailing wheels.
There were only two classes of 4-8-4+4-8-4 steam locomotives worldwide, all of which were constructed by Beyer, Peacock & Company, the owners of the Garratt patent. [1]The predecessor 4-8-2+2-8-4 Double Mountain was likely the optimal Garratt wheel arrangement, with the four-wheeled leading bogies and the two-wheeled trailing trucks on each engine unit ensuring stability at speed and with ...
There was some speculation that the first series of Chesapeake and Ohio 2-6-6-6 H-8 “Allegheny” locomotives, built by the Lima Locomotive Works in 1941, may have weighed as much as 778,200 lb (353,000 kg), exceeding the Big Boys, but subsequent re-weighs of early-production H-8s, under close scrutiny by the builder and the railroad, found ...
Under the Whyte notation for the classification of locomotives, 4-6-4 represents the wheel arrangement of four leading wheels, six powered and coupled driving wheels and four trailing wheels. In France where the type was first used, it is known as the Baltic while it became known as the Hudson in most of North America. [1]
Union Pacific Challenger No. 3985 is an example of a 4-6-6-4 locomotive. In the Whyte notation for classifying steam locomotives by wheel arrangement, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by two sets of six coupled driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers. [1]
The sole 2-8-8-8-4 locomotive. Under the Whyte notation for the classification of steam locomotives, a 2-8-8-8-4 has two leading wheels, three sets of eight driving wheels, and four trailing wheels. Other equivalent classifications are: UIC classification: (1′D)D(D2′) French classification: 140+040+042 Turkish classification: 45+44+46
Twenty-nine 4-6-2+2-6-4 Garratts, constructed between 1936 and 1941 by Société Franco-Belge in Northern France, operated until the Algerian independence war caused their withdrawal in 1951. This class, designated 231-132BT, was streamlined and featured Cossart motion gear, mechanical stokers and 1.8 m (5 ft 11 in) driving wheels, the largest ...
Pages in category "6-8-6 locomotives" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. ...