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Largest non-articulated steam locomotive, and the only seven-axle non-articulated steam locomotive ever built. AD60 class: New South Wales Government Railways: 6001-6042 Beyer, Peacock & Company: 1952–1954, 1956 Steam 4-8-4+4-8-4: 255 tonnes (281 short tons) 59,575 pounds-force (265 kN) 5,930 horsepower (4,422 kW)
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 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. But the firebed was too large for the available draft and the fire burned ...
The 1.2 million-pound, 132-foot long engine is the largest operating steam locomotive in the world. The engine, which was first put into service in 1941, is nearing the end of a 10-state tour.
Union Pacific’s No. 4014 steam locomotive is a massive 132-foot long engine that has been touring the rails of middle America since August. See ‘Big Boy,’ world’s largest steam locomotive ...
Hundreds gathered to see the world’s largest operating steam locomotive. ... Oct. 11, 2024. ‘Big Boy’ was built in 1941, one of only 25 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]
When built in 1907, they were the largest steam locomotives in the world, weighing 410,000 pounds (180 long tons; 200 short tons). The L-1 Class was also called the "Angus" Type in homage to Angus Sinclair, who was the publisher of Railway & Locomotive Engineering, a leading trade journal.