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The Pennsylvania Railroad (PRR) class T1 duplex-drive 4-4-4-4 steam locomotives, introduced in 1942 with two prototypes and later in 1945-1946 with 50 production examples, were the last steam locomotives built for the PRR and arguably its most controversial.
Pennsylvania Railroad 5550 (PRR 5550) is a mainline duplex drive steam locomotive under construction in the United States. With an estimated completion by 2030, the locomotive will become the 53rd example of the Pennsylvania Railroad's T1 steam locomotive class and the only operational locomotive of its type, [7] as well as the largest steam locomotive built in the United States since 1952.
Rearward cylinders and gear of the sole N-1 The Pennsylvania Railroad's controversial class T1 duplex locomotive. The first locomotive built with this arrangement was the Baltimore and Ohio Railroad's sole class N-1 #5600 George H. Emerson, constructed at the B&O's own Mount Clare Shops in May 1937. To reduce the fixed wheelbase, this ...
The PRR never built any steam locomotives of the 4-8-4 "Northern" type, although the T1 duplexes were effectively a "Northern" with the driving wheels split into two groups. R1 - experimental electric locomotive, surpassed by the GG1 .
T1 prototype PRR 6110 at the Baldwin Locomotive Works in 1942. The S1 did not represent Baldwin's true desires for the type, but in the design of the T1, of which two prototypes were ordered in July 1940, Baldwin was given much more freedom. The PRR's requirements were the use of the Belpaire firebox and the Franklin oscillating-cam poppet ...
Nine T-1's (Nos. 2107, 2111-2115, 2119, and 2128) were leased to the Pennsylvania Railroad (PRR), while others ran upstate in Pennsylvania on the RDG, until early 1957. Some T-1s were also loaned as steam generators to Steel mills. Upon returning to the RDG the following year, the PRR-leased locomotives, with the exception of No. 2128, were ...
Pennsylvania Railroad class T1; W. Wikipedia talk:WikiProject Trains/Locomotives task force This page was last edited on 2 January 2014, at 02:50 (UTC). ...
The Pennsylvania Railroad ... The project is being undertaken by the Pennsylvania Railroad T1 Steam Locomotive Trust and is projected to be finished by 2030.