The Union Pacific FEF series consists of 45 4-8-4 "Northern" steam locomotives built by the American Locomotive Company (ALCO) between 1937 and 1944 and operated by the Union …

Union Pacific 844 is a class "FEF-3" 4-8-4 "Northern" type steam locomotive owned and operated by the Union Pacific Railroad for its heritage fleet. Built in December 1944 by the American …

These were designated Class FEF-1 and were designed by UP's Motive Power Group to have 77" drivers, 24.5 x 32 cylinders, a boiler pressure of 300 psi, and a weight of 465,000 lbs resulting …

Union Pacific 844 is a 4-8-4 steam locomotive which the Union Pacific dubbed, originally enough, "Four-Eight-Fours" and classed them as such (Class FEF-1 through FEF-3).

The Union Pacific FEF-1 is the first batch of the FEF Series (FEF meaning, "four-eight-four") which consisted of twenty 4-8-4 "Northern" steam locomotive types built by the American …

In 1944, the Union Pacific and the American Locomotive Company, known as ALCO for short, teamed up and designed the FEF-3, which was a group of 10 4-8-4 “Northern” type …

The Union Pacific FEF Series (FEF meaning, "four-eight-four") consists of forty-five 4-8-4 "Northern" steam locomotive types built by the American Locomotive Company (ALCO) …

Union Pacific No. 814 is A FEF-1 Class Steam Locomotive built In 1937 by the American Locomotive Company (ALCO) in Schenectady, New York. It was part of the first class of FEF …

Union Pacific No. 838 (or simply UP 838) is an FEF-3 class 4-8-4 Northern-type steam locomotive owned by the Union Pacific Railroad. The 838 was built in December 1944 by the American …

The Union Pacific Northern Under the Whyte notation for the classification of steam locomotives, 4-8-4 represents the wheel arrangement of four leading wheels on two axles, eight powered …