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 ...

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...

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 …

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.

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 …

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.

Here is a great animation of the PRR T1 4-4-4-4 #5550 running at speed. Animation done by Steve Hawirko ...more

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.

2022年5月16日 · Construction on this 4-4-4-4 duplex drive streamliner started in 2014 and is expected to be completed in 2030. As of January 2022, the project is 39.1% completed.

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.