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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the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...
The London, Midland and Scottish Railway (LMS) Princess Royal Class is a class of express passenger 4-6-2 steam locomotive designed by William Stanier.Twelve examples were built at Crewe Works, between 1933 and 1935, for use on the West Coast Main Line.
[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 ...
The Pennsylvania Railroad K4 was a class of 425 4-6-2 steam locomotives built between 1914 and 1928 for the Pennsylvania Railroad (PRR), where they served as the primary mainline passenger steam locomotives on the entire PRR system until late 1957. Attempts were made to replace the K4s, including the K5 and the T1 duplex locomotive.
L. B. Billinton was undecided whether to enlarge the J1 and J2 4-6-2 tank locomotives designed by his predecessor D. E. Marsh, or design an equivalent sized 4-6-0 tender locomotive. Large tank locomotives were well-suited to the railway's operating conditions, with a relatively short but very intensely used system, particularly in the vicinity ...
The NZR A B class was a class of 4-6-2 Pacific tender steam locomotive that operated on New Zealand's national railway system for New Zealand Railways (NZR). Originally an improvement on the 1906 A class, 141 were built between 1915 and 1927 by NZR's Addington Workshops, A & G Price of Thames, New Zealand, and North British Locomotive Company, making the A B class the largest class of steam ...
LNER Class A1 Peppercorn 60163 Tornado Tornado on the East Coast Main Line in 2016 Type and origin Power type Steam Designer Arthur Peppercorn (original designer) Builder A1 Steam Locomotive Trust Build date 1994–2008 Website www.a1steam.com Specifications Configuration: • Whyte 4-6-2 Leading dia. 3 ft 2 in (0.965 m) Driver dia. 6 ft 8 in (2.032 m) Trailing dia. 3 ft 8 in (1.118 m) Length ...
Southern Railway 1401 is a 4-6-2 steam locomotive built in July 1926 by 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.