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The Pennsylvania Railroad's class Q2 comprised one prototype and twenty-five production duplex steam locomotives of 4-4-6-4 wheel arrangement built between 1944 and 1945. [ 1 ] [ 3 ] [ 4 ] [ 2 ] They were the largest non- articulated locomotives ever built and the most powerful locomotives ever static tested, producing 7,987 cylinder horsepower ...
The Pennsylvania Railroad's Q2 class were the only locomotives ever to use this arrangement. These were duplex locomotives, in which both sets of driving wheels were mounted in a common, rigid locomotive frame.
Pennsylvania Railroad class DD2; Pennsylvania Railroad de Glehn locomotive; E. ... Pennsylvania Railroad Q2 class; R. Pennsylvania Railroad class R1; S.
Class A was the 0-4-0 type, an arrangement best suited to small switcher locomotives (known as "shifters" in PRR parlance). Most railroads abandoned the 0-4-0 after the 1920s, but the PRR kept it for use on small industrial branches, especially those with street trackage and tight turns.
The Pennsylvania Railroad class Q1, #6130, was a single experimental steam locomotive designed for dual service.The locomotive entered service in 1942, and retired in 1949 after accumulating a relatively low 165,000 service miles.
A nonprofit group known as the T1 Trust is in the process of constructing a new duplex locomotive, a T1-class engine known as Pennsylvania Railroad 5550, intending to utilize design improvements from the postwar steam era not used or seldom tested on pre-existing T1s in the hope of creating better performance characteristics. The estimated year ...
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Pennsylvania Railroad Q2 class; S. Saxon XV HTV This page was last edited on 30 December 2013, at 02:47 (UTC). Text is available under the Creative Commons ...