The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941...

The Union Pacific Railroad (reporting marks UP, UPP, UPY) is a Class I freight-hauling railroad that operates 8,300 locomotives over 32,200 miles (51...

4014 is back: UP restores, runs iconic train Railway Age May 8, 2019 Union Pacific donates Challenger for overhaul Steam Railway issue 532 May 27, 2022...

The Krauss-Maffei ML 4000 is a road switcher diesel-hydraulic locomotive, built between 1961 and 1969 by German manufacturer Krauss-Maffei in Munich, Germany...

related to Pacific War. Wikivoyage has a travel guide for Pacific War. "The Pacific War Online Encyclopedia" compiled by Kent G. Budge, 4000 short articles...

were only produced for the Union Pacific Railroad. Twenty-five such engines were built between 1941 and 1944, numbered 4000 to 4024. Eight of these locomotives...

The Ring of Fire (also known as the Pacific Ring of Fire, the Rim of Fire, the Girdle of Fire or the Circum-Pacific belt) is a tectonic belt of volcanoes...

locomotives. These feature a larger radiator than other AC44C6M rebuilds. Union Pacific also announced plans to rebuild 75 of their Dash 9 locomotives into...

square feet (719.6 m2); it was 99.3% as massive as the boiler for Union Pacific's 4000-class "Big Boy" locomotives. In terms of drawbar horsepower, the...

Canadian Pacific Railway (French: Chemin de fer Canadien Pacifique) (reporting marks CP, CPAA, MILW, SOO), also known simply as CPR or Canadian Pacific and...