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 …

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 …

The Pennsylvania Railroad (PRR) T1 Steam Locomotive Trust recently held an open house for the 5550 project at Gemini Industrial Machine Group. Enjoy a privat...

The Pennsylvania Railroad (PRR) T1 Steam Locomotive Trust is a non-profit organization that believes in thinking differently about preservation. Through hard work, dedicated volunteers …

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 …

Dec 26, 2024 · For the Pennsy’s 50-locomotive T1 fleet, the railroad insisted on using the Franklin steam distribution system with oscillating cams and poppet valves. Think of a device similar to …

May 14, 2022 · HARRISBURG, Pa. — In the first public showing of the combined cab, boiler shell, and prow of its new streamlined steam engine, No. 5550, the Pennsylvania Railroad T1 Steam …

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 …

Jun 20, 2020 · The PRR T1 was a duplex locomotive that utilized a 4-4-4-4 wheel arrangement and was designed to haul 880 trailing tons (798-t) at 100 mph (161 km/h). PRR envisioned …

Jan 24, 2025 · That was the story of the Pennsylvania Railroad T1 class steam locomotive. Built during the tail end of steam, these locomotives were gorgeous and laid down incredible speed, …