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 (UP) as part of its heritage fleet.

Mar 22, 2018 · Lead Boilermaker Blacksmith Jimmy Thompson welds stay bolt caps on locomotive No. 4014’s boiler barrel. Since disassembling UP No. 4014, the ‘Big Boy,’ the …

Union Pacific Big Boy #4014 is the largest and most powerful operational steam locomotive in the United States. #4014 was delivered new to the Union Pacific in 1941 as a coal burning …

This process will include replacing the coal burning grates with a fire pan and using an Oil Burner to "flow and atomize the fuel oil into a fine mist". This mist will mix with combustion air, …

May 8, 2019 · The Big Boy No. 4014 steam locomotive rolled out of a Union Pacific restoration shop in Cheyenne over the weekend for a big debut after five years of restoration.

Jul 18, 2019 · In general, oil conversion involves an arrangement that replaces the firegrate and 'gas plume' from coal combustion with a suspended combustion plume of ignited atomized oil. …

Each locomotive will include a signed Certificate of Authenticity by M.T.H. President Mike Wolf and are available in two different versions - No. 4014 Oil Burner in current Union Pacific gloss …

Mar 16, 2018 · Only one highly visible part of the old No. 4014 – the ashpans from the locomotive’s coal burning days – will go away with the conversion to oil firing. The time for …

This photo illustrates the controls of a coal burning firebox used in Big Boy #4014’s 18 year operational history. This photo was taken while in RailGiants Train Museum before Union …

Oct 12, 2019 · This Big Boy (4014) locomotive is restored back to its prime, brand new and has been converted to an oil burner. Originally, the Big Boys were coal fired due to the area they …