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The Q class comprised what were effectively 4-10-4s with the driving axles split into two driven groups. The Q2 was the most powerful non-articulated steam locomotive ever built and also holds the record for highest horsepower recorded by any steam locomotive at 7,987 hp. Q1 - experimental duplex freight locomotive. Q2 - duplex freight locomotive.
The Pennsylvania Railroad (PRR) class I1s steam locomotives were the largest class of 2-10-0 "Decapods" in the United States. From 1916 to 1923, 598 locomotives were produced (123 at Altoona Works and 475 at Baldwin Locomotive Works). They were the dominant freight locomotive on the system until World War II and remained
On December 18, 1987, the State of Pennsylvania designated the Pennsy's K4s as the official State Steam Locomotive. The two surviving K4s are No. 1361 , which is undergoing restoration to operating condition at the Railroaders Memorial Museum in Altoona , and No. 3750 , which remains on static display at the Pennsylvania Railroad Museum in ...
The Pennsylvania Railroad's steam locomotive class D2 (formerly Class B, pre-1895) comprised twenty 4-4-0 locomotives intended for mountain passenger helper service, constructed at the railroad's own Altoona Works (now owned by Norfolk Southern) during 1869–1880. [4]
The M1 was a class of steam locomotive of the Pennsylvania Railroad (PRR). It was a class of heavy mixed-traffic locomotives of the 4-8-2 "Mountain" arrangement, which uses four pairs of driving wheels with a four-wheel guiding truck in front for stability at speed and a two-wheel trailing truck to support the large firebox needed for sustained power.
The Pennsylvania Railroad (PRR) N1s was a class of 2-10-2 "Santa Fe" steam locomotives built for the Pennsylvania's Lines West. 60 engines were built between December 1918 and November 1919, and worked heavy mineral freight to and from ports on the Great Lakes until their retirement in the late 1940s. All examples were scrapped by 1950.
Photos of PRR 4-4-4-4 locomotives; An N Scale PRR T1 4-4-4-4 scratch building project; A group that intends to build a full-size PRR T1; YouTube video displaying the operation of T1's on the Pennsylvania Railroad - At 3 minutes and 15 seconds, an example of the T1's infamous wheel slip can be observed.
The Pennsylvania Railroad's class P5 comprised 92 mixed-traffic electric locomotives constructed 1931–1935 by the PRR, Westinghouse and General Electric. [1] Although the original intention was that they work mainly passenger trains, the success of the GG1 locomotives meant that the P5 class were mostly used on freight.