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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the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...
[4] [5] Although there were Ts and Ts-1 class 4-8-2 locomotives valid enough to that handle this work, they could not be relocated to some of SOU's routes over and over. [4] The SOU decided to revise the 4-6-2 type and ordered the more powerful Ps-4 Heavy Pacific class with the first batches built in 1923 by American Locomotive Company's (ALCO ...
Southern Railway 1401 is a 4-6-2 steam locomotive built in July 1926 by the American Locomotive Company (ALCO) of Richmond, Virginia, for the Southern Railway (SOU) as a member of the Ps-4 class, which was based on the United States Railroad Administration (USRA) Heavy Pacific design with some minor differences.
They were originally built as 2-6-6-2s but were refitted with a four-wheel leading truck to increase stability at speed. Southern Pacific AM-2s were built from July to August 1911 by Baldwin Locomotive Works as Cab Forwards. These 4-6-6-2s began retirement in the mid- to late-1930s, although a few remained in operation until the end of World ...
The SR Merchant Navy class (originally known as the 21C1 class, and later informally known as Bulleid Pacifics, Spam Cans – which name was also applied to the Light Pacifics – or Packets) is a class of air-smoothed 4-6-2 (Pacific) steam locomotives designed for the Southern Railway by Oliver Bulleid.
Its successors, both also of the 4-6-4T wheel arrangement, were the Dm class of 1945 that was rebuilt from older E class 4-6-2 tender locomotives, and the Dd class of 1946. The New South Wales Government Railways 30 Class 4-6-4T locomotives were used on Sydney and Newcastle suburban passenger train workings from 1903 until the end of steam ...
Reading Blue Mountain and Northern 425 is a G-1 class 4-6-2 light "Pacific" type steam locomotive built by the Baldwin Locomotive Works for the Gulf, Mobile & Northern Railroad. After the GM&N was consolidated into the Gulf, Mobile & Ohio in 1940, the locomotive was renumbered No. 580 and served in passenger service before being retired in 1950.
Locomotives in Detail: 3 Gresley 4-6-2- A4 Class. Ian Allan Publishing. ISBN 0-7110-3085-5. An overall history of the Gresley A4 class, as well as unparalleled details about the class and individual members. Yeadon, W.B. (2001). Yeadon's Register of LNER Locomotives: Volume Two: Gresley A4 and W1 classes. Booklaw/Railbus is association with ...