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One of the most powerful electric locomotives ever built, it also is the most powerful (short term) single-frame locomotive ever built (currently [when?] its maximum short term power is limited to 12,000 horsepower (8,948 kW)); It has immense short term power with a tractive effort of 312 kN up to a speed of 140 km/h (87 mph). DB Class 151 ...
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 haul freight over the Wasatch Range between Ogden, Utah, and Green ...
The East African Railways 4-8-2+2-8-4 59 class Garratts were the largest and most powerful steam locomotives to run on metre gauge, having a large 70-square-foot (6.5-square-metre) grate and a tractive effort of 83,350 pounds-force (370.76 kilonewtons). The 34 oil-fired locomotives remained in regular service until 1980.
The class Js were the most powerful 4-8-4 passenger steam locomotives ever built, with 70 in (1,778 mm) driving wheels, 80,000 lbf (355.86 kN) of tractive effort, and an operating boiler pressure of 300 psi (2.07 MPa). [1] [a] They had Timken roller bearings on their drivers and tender axles, which enabled a smooth run and quicker acceleration.
Illinois Central 2613 was a 4-8-2 "Mountain" type 2600 class steam locomotive built in April 1943 by the Illinois Central Railroad's Paducah Shops in Paducah, Kentucky.No. 2613 and its classmates were the most powerful 4-8-2 locomotives ever built.
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 rigid frame passenger steam locomotive ever built. [1]
Norfolk and Western 2174 was a Y6b class 2-8-8-2 compound Mallet steam locomotive, built by the Norfolk and Western Railway's (N&W) own Roanoke Shops, in 1948.No. 2174 and the other Y6bs were notably some of the most powerful steam locomotives ever built, being able to pull heavy freight and coal trains, unassisted.
The largest steam locomotive built in Europe was a 4-8-2+2-8-4 Garratt, built by Beyer, Peacock and Company for the Soviet Railways in 1932. The most numerous Garratt class in the world was also a Double Mountain, the Class GMA and GMAM of the South African Railways, of which 120 were built between 1954 and 1958. [2] [3] [4] [5]