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 Locomotive Company (ALCO) of Schenectady, New York, No. 844 is one of four surviving FEF series locomotives and the only one in operation.
Union Pacific No. 844 running through Painted Rocks, Nevada on September 15, 2009
UP 844 hauling the Pony Express in 1949
UP Nos. 844 (as UP 8444) and 3985 running through Donner Pass in April 1981
UP 844 with SP 4449 on the Puget Sound Steam Special in 2007
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 Pacific Railroad until 1959. Like other Union Pacific steam classes, the acronym comes from the first letter of the spelling of its wheel arrangement: Four Eight Four.
Union Pacific 844 running through Painted Rocks, Nevada on September 15, 2009
FEF-2 #825 in a 1943 Union Pacific World War II publicity photo
Image: UP 814 side
Image: UP 833