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Diagram of Priestman oil engine from The Steam engine and gas and oil engines (1900) by John Perry Petrol–electric Weitzer railmotor, first 1903, series 1906. The earliest recorded example of the use of an internal combustion engine in a railway locomotive is the prototype designed by William Dent Priestman, which was examined by William Thomson, 1st Baron Kelvin in 1888 who described it as ...
The American Locomotive Company (ALCO), based in Schenectady, New York, United States produced a wide range of diesel-electric locomotives from its opening in 1901 until it ceased manufacture in 1969. This is a list of ALCO locomotive classes. For individually notable locomotives, please see List of locomotives. There are numerous individual ...
British Rail operated a large number of different diesel locomotive types. The majority of these were built between 1955 and 1968. The majority of these were built between 1955 and 1968. Many classes were rushed into service as part of the 1955 Modernisation Plan , but poor reliability and a rapid decline in rail transport meant that some would ...
The ALCO HH series was an early set of diesel switcher locomotives built by the American Locomotive Company (ALCO) of Schenectady, New York between 1931 and 1940, when they were replaced by the S series: the 660 hp (490 kW) S-1 and 1,000 hp (750 kW) S-2.
Units #50 and #50A, the Santa Fe Railway's only DL locomotive set, lead the Super Chief during World War II.. All models developed 2,000 hp (1,490 kW). The first unit built as ALCO Specification DL-103b was 4 ft 5 in (1.35 m) longer than the other cab units, and became Chicago, Rock Island and Pacific Railroad #624.
And in 1937 they ran the first coast to coast use of diesel electric locomotives. [5] The railroad put an end to the steam locomotive experiments, though wartime pressures would lead to purchase of many other new steam locomotives. Dieselization took many years, and in the meantime a long program of upgrading older locomotives was continued.
The EMD GP7 is a four-axle diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954. [ 2 ] The GP7 was the first EMD road locomotive to use a hood unit design instead of a car-body design.
The EMD DDA40X is a 6,600 hp (4,943 kW) D-D locomotive, built by EMD from 1969 to 1971 exclusively for the Union Pacific Railroad. [1] It is the most powerful diesel–electric locomotive model ever built on a single frame, having two 16-645E3A diesel prime movers. [2]