The Pennsylvania Railroad K4 was a class of 425 4-6-2 steam locomotives built between 1914 and 1928 for the Pennsylvania Railroad (PRR), where they served as the primary mainline passenger steam locomotives on the entire PRR system until late 1957.

Pennsylvania Railroad 1361 is a K4 class 4-6-2 "Pacific" type steam locomotive built in May 1918 by the Pennsylvania Railroad's (PRR) Juniata Shops in Altoona, Pennsylvania.It hauled mainline passenger trains in Pennsylvania and commuter trains in the northern New Jersey Shore on the PRR until its retirement from revenue service in 1956. Afterwards, in 1957, it …

From 1914 until 1956, the many passenger trains of the PRR were hauled by an iconic steam locomotive: the K4s Class engine—a masterwork of technology, engineering, and innovation. This class was the first scientifically designed engine, developed by …

Sep 2, 2021 · The recent announcement of a fresh start in the long effort to restore the Altoona Railroaders Memorial Museum’s class K4s steam locomotive No. 1361 is great news for Pennsylvania Railroad fans. More than any other locomotive, the K4 was the face of …

Jan 17, 2025 · The firebox and boiler of PRR Class K4s 4-6-2 engine No. 1361 under restoration at Altoona, Pa., with the tender in the foreground. Fund-raising has tipped past the halfway point for the $2.4 million project.

Jun 25, 2021 · ALTOONA, Pa. — Pennsylvania Railroad Class K4s 4-6-2 steam passenger locomotive No. 1361 will be restored to operating condition under a $2.6 million campaign announced Thursday by the Railroaders Memorial Museum and its partner, engineering consulting firm FMW Solutions LLC.

Pennsylvania Railroad 3750 is a steam locomotive that was built at Juniata Shops in April 1920 for the Pennsylvania Railroad (PRR) as a K4 class 4-6-2 Pacific type, and it along with the other K4s, was one of the most reputed mainline passenger locomotives of the entire system.

Aug 25, 2024 · Pennsy's K4s-class engines, with their powerful yet graceful design, symbolize the peak of steam locomotive development. By restoring PRR 1361, preservationists are ensuring future generations can experience, firsthand, the marvels of early 20th-century engineering.

The Pennsylvania Railroad (PRR) K4 4-6-2 "Pacific" (425 built 1914–1928, PRR Altoona, Baldwin) was its premier passenger-hauling steam locomotive from 1914 through the end of steam on the PRR in 1957. Attempts were made to replace the K4s, including the K5 and the T1 duplex locomotive.

The PRR K4s was the largest steam locomotives ever built by the Pennsylvania Railroad, and it is no surprise that they are still popular today with railfans all over North America. This blog post will discuss this Pennsylvania railroad icon’s history, which spans both World Wars I and II as well as peacetime between them.