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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the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...
This wheel arrangement was used only as a very limited number of locomotives in North America, most notably as class MM-2 oil-fired cab forward locomotives on the Southern Pacific Railroad. [1] These were effectively 2-6-6-4s running in reverse. They were originally built as 2-6-6-2s but were refitted with a four-wheel leading truck to increase ...
Southern Pacific 2467 is a preserved P-8 class 4-6-2 "Pacific" type steam locomotive. Built by Baldwin in 1921, it was used by the Southern Pacific Railroad to pull passenger trains until it was retired from service in 1956.
Southern Pacific 2472 is a P-8 class 4-6-2 heavy "Pacific" type steam locomotive built by the Baldwin Locomotive Works for the Southern Pacific Railroad (SP) in 1921. No. 2472 is one of three surviving Southern Pacific P-8 class 4-6-2 Pacific locomotives, the other two being Nos. 2467 and 2479 .
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) Schenectady Works in Schenectady, New York, with 12 of them, Nos. 1375-1386, delivered to SOU; and four of them, Nos. 6684-6687, for the Alabama Great Southern (AGS). [4] [6 ...
The Southern Pacific Class P-8 was a class of 4-6-2 "Pacific" type steam locomotives that were built by the Baldwin Locomotive Works for the Southern Pacific Transportation Company in 1921. [ 1 ] [ 2 ]
Locomotives classified 4-6-2 under the Whyte notation of locomotive axle arrangements. ... List of French 'Pacific' steam locomotives; ... Southern Pacific 2467;
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.