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 ...

2024年5月13日 · The Trust has designated its engine as PRR No. 5550, one above the highest-numbered production T1, No. 5549. The Trust has seven of the eight driver centers completed, and brought four to show what one side of the engine will look like when the parts are assembled.

2022年5月14日 · 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 Locomotive Trust displayed its progress on a project whose backers hope to see it …

Through hard work, dedicated volunteers and the financial support of many generous donors from around the globe, the T1 Trust is constructing PRR T1 5550. Slated to become the fifty-third locomotive of its class when complete, 5550 combines stunning art deco design with a unique 4-4-4-4 wheel arrangement.

2024年5月3日 · The Trust has designated its engine as PRR 5550, the next road number in line after the highest-numbered production T1, No. 5549 (BLW, 1946). Two years ago, the Trust displayed another set of components – a boiler shell, nose and cab – hauling it some 1,500 miles from a shop near St. Louis to a previous PRR&THS convention in Harrisburg, Pa.

The PRR T1 Trust is announcing the order of the first and second boiler course for new build 4-4-4-4 #5550. The order was placed with Continental Fabricators out of St. Louis, MO on January 26, 2018. This is a major milestone, as the boiler courses represent the largest parts yet built for the iconic streamlined duplex locomotive.

Pennsylvania No. 5550 is a 4-4-4-4 class T1 duplex locomotive currently under construction by the T1 Trust. The locomotive's completion date is currently estimated to be around 2030. The locomotive will be built to the early appearance of the production class, and will be fitted with Rotary-Cam Valve Gear.

2014年4月23日 · The Pennsylvania Railroad (PRR) T1 Steam Locomotive Trust is a non-profit organization formed for the express purpose of constructing PRR T1 5550, the fifty-third locomotive of its class. The goal is to provide mainline excursion service, and to set the World Speed Record for a steam locomotive.

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.

2023年12月10日 · Actually, the T1 was better designed for its intended purpose than almost any of the contemporary high-speed express steam locomotives – particularly on a PRR with many name trains too large for a single K4. The design criteria were 880 tons at a sustained 100mph max – note that the T1 speedometers only read up to 100mph.