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Cost to build US$ 265,000 in 1941, equivalent to $5,489,457 in 2023. 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 ...
The 1913 rail (MIL-STD-1913 rail), also known as the Picatinny rail (1913 Picatinny rail etc.) is an American rail integration system designed by Richard Swan [ 1 ] that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail.
Track gauge. Originally, various track gauges were used in the United States. Some railways, primarily in the northeast, used standard gauge of 4 ft 8⁄ in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft (1,524 mm), while ...
The GE C40-8 is a model of 6-axle diesel-electric locomotive built by GE Transportation Systems between 1987 and 1992. It is part of the GE Dash 8 Series of freight locomotives, and its wheel arrangement is of a C-C type. This locomotive model is often referred to as a Dash 8-40C or simply "Dash 8". "Dash 8" in general refers to the electrical ...
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Southern Pacific Railroad 's MC-4 class of steam locomotive was the second class ordered and built as cab forward locomotives. Southern Pacific (SP) found the MC-2 class sufficient for a proof-of-concept for cab forward locomotives and sought to continue with now tested designs. In service, SP found that the locomotives were a little too slow ...
4-8-4+4-8-4. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-8-4+4-8-4 is a Garratt locomotive. The wheel arrangement is effectively two 4-8-4 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a ...
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.