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The Be 4/6 utilized the maximum axle load of 20 t (20 long tons; 22 short tons) fully. The motors for the Ae 4/8 were heavier than those of the Be 4/6, therefore the Ae 4/8 was planned with two more idle axles from the beginning. In contrast to the Be 4/6 bogie locomotive the Ae 4/8 was built as a frame locomotive with a double articulated body ...
The Baldwin 4-8+8-4 750/8DE1 was the Baldwin Locomotive Works' first attempt at building a road diesel locomotive. The trucks were configured in a 2-D+D-2 wheel arrangement. Only a single test unit was built. In 1943 Baldwin built an experimental "Centipede" as a demonstrator unit, which was assigned road #6000.
Swiss classification: '4/6+4/6' The equivalent UIC classification is refined to (2′D)D2′ for simple articulated locomotives. A similar wheel arrangement exists for Garratt locomotives, but is referred to as 4-8-0+0-8-4 since both engine units swivel. 4-8-8-4 Big Boys were only produced for the Union Pacific Railroad. Twenty-five such ...
Atchison, Topeka and Santa Fe 2926 is a class "2900" 4-8-4 type steam locomotive built in May 1944 by the Baldwin Locomotive Works for the Atchison, Topeka & Santa Fe Railway (ATSF). It was used to pull passenger and fast freight trains, mostly throughout New Mexico, until retired from service in 1953. In 1956, ATSF donated no. 2926 to the City ...
The New York Central Railroad's Niagara was a class of 27 4-8-4 steam locomotives built by the American Locomotive Company for the New York Central Railroad. Like many railroads that adopted different names for their 4-8-4s rather than “Northerns”, the New York Central named them “Niagaras”, after the Niagara River and Falls. It is ...
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 ...
Swiss classification: 4/5+4/4+4/6. The equivalent UIC classification is to be refined to (1'D)D(D2') for these engines. Only one 2-8-8-8-4 was ever built, a Mallet-type for the Virginian Railway in 1916. [1] Built by Baldwin Locomotive Works, it became the only example of their class XA, so named due to the experimental nature of the locomotive.
There were only two classes of 4-8-4+4-8-4 steam locomotives worldwide, all of which were constructed by Beyer, Peacock & Company, the owners of the Garratt patent. [1]The predecessor 4-8-2+2-8-4 Double Mountain was likely the optimal Garratt wheel arrangement, with the four-wheeled leading bogies and the two-wheeled trailing trucks on each engine unit ensuring stability at speed and with ...