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Most powerful steam locomotive ever static tested. PRR S1: Pennsylvania Railroad: 6100 Altoona Works: 1939 Steam 6-4-4-6: 487 tonnes (537 short tons) 76,403 pounds-force (340 kN) 7,200 horsepower (5,369 kW) Fast passenger steam locomotive; the magazine Popular Mechanics cites 1941 a speed of 133.4 mph (214.7 km/h) PRR S2: Pennsylvania Railroad ...
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]
The engines are thought to be the biggest ever built in the UK. [3] Engine No 6, also called The Sir William Prescott, has been restored to running order and is the largest fully operational triple-expansion steam engine in the world. [4] It may be seen in steam on various weekends throughout the year, and as a static display every Sunday ...
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 ...
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 ...
Union Pacific 4012 is one of eight preserved Union Pacific Big Boy locomotives. Built in November 1941 by the American Locomotive Company (ALCO) of Schenectady, New York, No. 4012 was retired in 1962 and donated to Steamtown, U.S.A, in Bellows Falls, Vermont, and later moved to Steamtown National Historic Site in Scranton, Pennsylvania, where it remains today.
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]