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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the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...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 ...
LNER Class A4 4468 Mallard is a 4-6-2 ("Pacific") steam locomotive built in 1938 for operation on the London and North Eastern Railway (LNER) at Doncaster Works to a design of Nigel Gresley. Its streamlined , wind tunnel tested [ 1 ] design allowed it to haul long distance express passenger services at high speeds.
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.
The F-19s, Nos. 490-494, were the final new 4-6-2s the C&O received (later 4-6-2s would be purchased second-hand from the Richmond, Fredericksburg and Potomac Railroad (RF&P). No. 490 was the first locomotive of the class, and it was initially assigned to pull mainline trains on flat portions of the C&O system east of Charlottesville, Virginia. [1]
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 4-6-2 designation means it has four leading wheels, six driving wheels, and two trailing wheels. The locomotive was used by the Southern Pacific Railroad to haul passenger trains until being retired in 1957.
The tender has 2 Buckeye steel built 6 wheel trucks each wheel at 33 inches. The full height of the locomotive is 15 feet 9 inches (4.80 m) The fuel capacity is 26 tons of coal and 18,000 U.S. gallons (68,000 L) of water. This locomotive was donated to the Ohio Railway Museum on February 12, 1959, from the Norfolk and Western Railway Company.
AT&SF locomotive no. 1300, a 4-4-6-2 Mallet type. Under the Whyte notation for the classification of steam locomotive wheel arrangements, a 4-4-6-2 is a locomotive with two pairs of leading wheels, one set of four driving wheels, a second set of six driving wheels, and a pair of trailing wheels. Other equivalent classifications are: