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Technical Data |
Introduced between 1972 and 1986, General Motors Electro-Motive Diesel (EMD) produced the SD40-2 as a 3,000 horsepower model as an upgrade from the SD40. Although not as powerful as some rival locomotives in the same Class, the SD40-2 features modular electronic control systems, making it significantly more reliable and economical than its competitors.
With almost 4,000 units built for 29 Railroad companies, the SD40-2 is one of the best selling locomotives of all time. The British Class 59 is even derived from the processes and experience learned from the SD40-2.
The SD40-2 shares the same basic superstructure as the SD38-2 as it uses the same 16-645E3 engine (with turbo charging modifications). The Dash 2's (-2) also have longer front and rear 'porches' than other models, making for distinguishing features when comparing locomotives. Another alteration from previous designs is the three radiator grilles mounted on the roof, where previously there were only two.
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