The K28, K2, and K3 were the Pennsylvania's first examples of a 4-6-2 Pacific passenger steam locomotive. The first of this type ordered by the PRR was the lone K28, bought from the Pittsburgh Works of the American Locomotive Company (ALCo).

Like many experimental locomotives, the K5 was only a qualified success. Both locomotives performed well enough to be kept in service, but not enough to persuade the PRR to build more.

The PRR was looking for a new more powerful locomotive and bought its first "Pacific", an experimental 4-6-2 built in 1907, by the Pittsburgh Works of the American Locomotive Company. This single locomotive was designated as Class K-28 and given road number 7067.

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.

Feb 12, 2023 · Pennsylvania Railroad (PRR) K4 Pacific 4–6–2 class, 425 built between 1914 and ‘28, Premier passenger-hauling loco from 1914 to 1957, K5 represents attempt to improve on K4’s.

The PRR assigned class K to the 4-6-2 "Pacific" type. The Pacific was the most common type of passenger locomotive on the Pennsylvania. K2 - 153 built at Altoona 1910-1911; K3s - 30 built by Baldwin in 1913. K4 - 425 built by the PRR and Baldwin 1914-1928. K5 - …

A K4s decorated for PRR's "Lines West" to resemble other railroads' engines in the area.

Oct 22, 2022 · It would be rare for the RR to assign an E6 or K4 to a freight. It probably did happen, especially toward the end of steam when there were not as many passenger trains and diesels were taking over. although it was the "Standard RR of world", about anything could happen on the PRR, it was a very large system.

Jun 16, 2018 · But the PRR decided it need a new type of Pacific to replace the ancient 4-4-2,2-8-0,and the few remaining 4-4-0s. It was specifically for secondary work and was such a success that 150 were built. By the late 50s though,the diesels started to replace then and retirement started in April 1962.

Here is a photo of Pennsylvania Railroad engine #6006, a B-4A (0-6-0) switcher built in the Altoona Machine Shops as West Jersey & Seashore Railroad number "6006" during July of 1902, acquired by the PRR in 1903, and retired in March of 1924 after 22 years of faithful service.