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Fast passenger steam locomotive; the magazine Popular Mechanics cites 1941 a speed of 133.4 mph (214.7 km/h) PRR S2: Pennsylvania Railroad: 6200 Baldwin Locomotive Works: 1944 Steam turbine direct-drive 6-8-6: 470 tonnes (518 short tons) 70,500 pounds-force (314 kN) 6,900 horsepower (5,145 kW) Most powerful steam turbine locomotive ever built ...
EMD DDA40X. The EMD DDA40X is a 6,600 hp (4,943 kW) D-D locomotive, built by EMD from 1969 to 1971 exclusively for the Union Pacific Railroad. [1] It is the most powerful diesel-electric locomotive model ever built on a single frame, having two 16-645E3A diesel prime movers. [2] Union Pacific has marked DD40X on the cab exteriors, while EMD ...
Cost to build US$ 265,000 in 1941, equivalent to $5,489,457 in 2023. 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 and 1944 and operated by the Union Pacific Railroad in revenue service until 1962. The 25 Big Boy locomotives were built to ...
The Northern Pacific Railway was the first railroad to order a 2-8-8-4. The first was built in 1928 by American Locomotive Company; at the time, it was the largest locomotive ever built. It had the largest firebox ever applied to a steam locomotive, some 182 square feet (16.9 m 2) in area, to burn Rosebud coal, a cheap low-quality coal.
Scrapped 1949. The PRR S1 class steam locomotive (nicknamed "The Big Engine") was a single experimental duplex locomotive of the Pennsylvania Railroad. It was designed to demonstrate the advantages of duplex drives espoused by Baldwin Chief Engineer Ralph P. Johnson. The S1 class was the largest steam locomotive ever built. [1]
Union Pacific 6936 is an EMD DDA40X locomotive built for the Union Pacific Railroad ( UP ). Previously a part of UP's heritage fleet, 6936 was for several decades the last remaining operational "Centennial" type, and thus the largest operational diesel-electric locomotive in the world. It is now owned by the Railroading Heritage of Midwest ...
The streamlined Class 06, the only German 4-8-4, was the biggest steam locomotive ever built in Germany. The two locomotives were shedded in Frankfurt and were placed in service on the line to Erfurt. No. 06.002 was bombed and destroyed during the hostilities and no. 06.001 survived until 1951, when it was retired and scrapped. [18]
Union Pacific 4012, nicknamed "Big Boy", is a 4-8-8-4 type locomotive built by American Locomotive Company in November 1941. It is among the world's largest steam locomotives. One of 25 built, No. 4012 is one of eight of its type to survive the advent of the diesel era. Referred to as an "articulated" locomotive, because it has more than one ...