Pennsylvania Railroad's E1 class comprised three experimental Atlantic 4-4-2 locomotives built in 1899 to compete with the Reading Railroad on the Philadelphia...

Locomotive classification on the Pennsylvania Railroad took several forms. Early on, steam locomotives were given single-letter classes. As the 26 letters were...

Milwaukee Road class A2, Pennsylvania Railroad class E1, as well as several railroads abroad for example the Lancashire and Yorkshire Railway Class 7 in the...

(reporting mark NW), commonly called the N&W, was a US class I railroad, formed by more than 200 railroad mergers between 1838 and 1982. It was headquartered...

The Pennsylvania Railroad (PRR) N1s was a class of 2-10-2 "Santa Fe" steam locomotives built for the Pennsylvania's Lines West. 60 engines were built...

often referred to as the Santa Fe or AT&SF, was one of the largest Class 1 railroads in the United States between 1859 and 1996. The Santa Fe was a pioneer...

US railroad to have new locomotives built in this arrangement. These were ten 0-10-2s built for the Union Railroad in the Pittsburgh, Pennsylvania area...

The National Railroad Museum (reporting mark NRMX) is a railroad museum located in Ashwaubenon, Wisconsin, US. Founded in 1956 by community volunteers...

USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the...

The Pennsylvania Railroad's MP54 was a class of electric multiple unit railcars. The class was initially constructed as an unpowered, locomotive hauled...