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

The Pennsylvania Railroad's class H8, H9s and H10s steam locomotives were of the 2-8-0 "Consolidation" type, the last three classes of such built by the...

The Pennsylvania Railroad GG1 is a class of streamlined electric locomotives built for the Pennsylvania Railroad (PRR), in the northeastern United States...

PRR S1 class steam locomotive (nicknamed "The Big Engine") was a single experimental duplex locomotive of the Pennsylvania Railroad. It was designed to...

The Pennsylvania Railroad (reporting mark PRR), legal name The Pennsylvania Railroad Company, also known as the "Pennsy", was an American Class I railroad...

The Pennsylvania Railroad's class P5 comprised 92 mixed-traffic electric locomotives constructed 1931–1935 by the PRR, Westinghouse and General Electric...

arrangement Pennsylvania Railroad locomotive classification List of Milwaukee Road locomotives List of Norfolk and Western Railway locomotives British Rail...

The Pennsylvania Railroad's no. 2512 was a single de Glehn Compound 4-4-2 "Atlantic" type locomotive the railroad imported from France in 1904. After...

locomotive driver, commonly known as an engineer or railroad engineer in the United States and Canada, and also as a locomotive handler, locomotive engineer...

British Railways' Last Steam Locomotive Railway Gazette 23 March 1960 p. 355 "Pennsylvania Railroad locomotive classification @ Everything2.com". Everything2...

steam locomotive model LNER Class A4, a class of steam locomotives, including the famous Mallard PRR A4, an American Pennsylvania Railroad locomotive classification...

Navy J-class destroyer BMW 2 Series (F22) PRR F22, a Pennsylvania Railroad locomotive classification F 22 Kongo, a Swedish Air Force squadron participating...

The Pennsylvania Railroad DD1 was a class of boxcab electric locomotives built by the Pennsylvania Railroad. The locomotives were developed as part of...

4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue...

route K2, a Transport for London bus route PRR K2, a Pennsylvania Railroad locomotive classification Tatra K2, a 1966 Czechoslovakian articulated tramcar...

steam locomotive PRR K1, a Pennsylvania Railroad locomotive classification SR K1 class, a British 2-6-0 steam locomotive the first 1909 Tasmanian Government...

Railways A2 class, a 1907 Australian steam locomotive PRR A2, a Pennsylvania Railroad locomotive classification Prussian A 2, a Prussian railbus model List...

Baldwin Locomotive Works in North America in the early 1930s. The most successful duplex locomotive of this type was the Pennsylvania Railroad's T1 class...

by the Pennsylvania Railroad (PRR). Like the first 2-6-0s, this first 2-8-0 had a leading axle that was rigidly attached to the locomotive's frame, rather...

The Pennsylvania-Reading Seashore Lines was a railroad that operated in South Jersey in the 20th century. It was created in 1933 as a joint consolidation...

Crestline, Ohio. The locomotive was too large to work elsewhere in the system. Pennsylvania Railroad executive hoped that the locomotive could haul 1,000...

Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 4-4-2 represents a configuration of a four-wheeled leading...

Baltimore's downtown. Parallel tracks on the Pennsylvania Railroad had shown that coal smoke from steam locomotives would be a major operating issue and a public...

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...

Union Railroad (reporting mark URR) is a Class III switching railroad located in Allegheny County in Western Pennsylvania. The company is owned by Transtar...

a class "S-2" 2-8-4 "Berkshire" type steam locomotive built for the New York, Chicago & St. Louis Railroad, commonly referred to as the "Nickel Plate...

powerful reciprocating steam locomotives ever built, at 7,500 hp (which was exceeded by only the Pennsylvania Railroad class Q2 in indicated horsepower)...

locomotives were built for four U.S. railroads. Other equivalent classifications are: UIC classification: 1DD2 (also known as German classification and...

The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by the company's own Altoona Works with the...

(based on counting either the axles or the bogies), and the UIC classification of locomotive axle arrangements (based on counting either the axles or the...