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 …

The PRR T1 5550 will not only serve as an awe-inspiring mainline excursion engine but will also strive to achieve the World Speed Record for steam locomotives. This journey is about more …

Dec 28, 2025 · The FMW Team has contributed to the Pennsylvania Railroad T1 Steam Locomotive Trust project since its inception, and it is undoubtedly one of the most ambitious …

May 13, 2024 · The Pennsylvania Railroad T1 Steam Locomotive Trust brought the frame and four drivers for its 21st-century recreation of the PRR T1 class of 100-mph streamlined 4-4-4-4 …

The PRR's decision in 1948 to convert all high-value passenger trains to diesel had a negative impact on the service life of the T1. This was also be implemented in a timely manner, so that …

PRR #6110, one of two prototypes of the T1 class built for the Pennsylvania Railroad in 1942. The 50 production locomotives entered service in 1945 and 1946. The Pennsylvania Railroad class …

The PRR T1 represents the pinnacle of steam locomotive design in the United States. These locomotives had the capability of achieving speeds in excess of 120 mph, and anecdotal …

The Pennsylvania Railroad 'Duplex-Drive' Class T1 were a class of 4-4-4-4 tender steam locomotives equipped with Duplex-Drive, they were a real attempt along with the K5 Pacifics to …

The T1 Steam Locomotive Trust announced Friday, May 16, during the Pennsylvania Railroad Technical & Historical Society convention in Harrisburg, Pa., final assembly of the 4-4-4-4 will …

The T1 earned a reputation of a true thoroughbred - enormously strong, but, temperamental. While the big T1s were fast and powerful, they were high maintenance and, therefore, had …