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The Big Boy has the longest engine body of any reciprocating steam locomotive, longer than two 40-foot buses. [12] They were also the heaviest reciprocating steam locomotives ever built; the combined weight of the 772,250 lb (350,290 kg) engine and 436,500 lb (198,000 kg) tender outweighed a Boeing 747. [12]
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) 265 kilonewtons (59,575 lbf) 4,422 kilowatts (5,930 hp)
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]
One of the largest and most historic steam engines in the world will speed through the Sooner State as part of a tour across America. World's largest steam engine 'Big Boy' to visit Oklahoma on US ...