4-8-8-4
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A 4-8-8-4, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with a four-wheel leading truck, two sets of eight driving wheels, and a four-wheel t
A Big Boy locomotive. This example is Union Pacific 4014.
Union Pacific 4014
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Union Pacific 4014 is a preserved 4884-1 class 4-8-8-4 "Big Boy" type steam locomotive owned and operated by the Union Pacific as part of its heritage fleet. Built in November 1941 by the American Loc
4-8-8-4
…survive, seven of which are on static public display at various sites in the United States. Union Pacific announced plans in August 2013 to restore No. 4014 to operation for use in mainline excursion service. No. 4014 underwent restoration between 2016 and 2019, and completed its first post-restoration test…
Union Pacific No. 4014 departs Denver, Colorado, on July 19, 2025.
This photo of No. 4005's backhead shows what No. 4014 looked like before it was converted to burn oil.
No. 4014's replica builder's plate.
No. 4014 on display at the RailGiants Train Museum in April 2005.