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The EMD 645 is a family of two-stroke diesel engines that was designed and manufactured by the Electro-Motive Division of General Motors.While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16-cylinder version powered the 33-19 "Titan" prototype haul truck designed by GM's Terex division
In 1962 GM moved their remaining production of large non-locomotive diesel engines from Cleveland to the EMD facility in McCook, ending the existence of the Cleveland Diesel Engine Division. [19] In late 1965, EMD introduced the enlarged 645 engine. Power ratings were 1,500 hp (1,100 kW) V-12 nonturbocharged, 1,500 hp (1,100 kW) V-8 ...
The "S" designation originally stood for six hundred horsepower and the "N" designation for nine hundred horsepower, although they were used for the more general designation of smaller and larger engine models after the more powerful 567 model engines replaced the Winton engines. The "C" designation stood for cast frame locomotives and the "W ...
The EMD 710 is a line of diesel engines built by Electro-Motive Diesel (previously General Motors' Electro-Motive Division). The 710 series replaced the earlier EMD 645 series when the 645F series proved to be unreliable in the early 1980s 50-series locomotives which featured a maximum engine speed of 950 rpm.
The EMD GT26 Locomotive Series made their debut in 1967 after the rise in popularity of the American EMD SD40.Designed to meet most First World, Second World and Third World countries, the GT26 Series were now equipped with a turbocharged high horsepower EMD 645 Series engine as well as six axle HT-C trucks to provide better traction effort at slow speeds.
The rebuild included an EMD 645 prime mover, producing 3,000 hp (2,200 kW), and a separate head-end power (HEP) generator. [ 13 ] Between 2017 and 2018, the GP40-2H locomotives received an overhaul performed by National Railway Equipment and were reclassified as GP40-3H.
The SD20-2 was a type of diesel-electric locomotive created in 1979/1980 by the Baltimore and Ohio Railroad by rebuilding EMD SD35 locomotives. [1] Five of the B&O's SD35 fleet were rebuilt at their Cumberland Yard by fitting a non-turbocharged EMD 645 engine and upgraded electrical systems. [2]
The EMD GP39 is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between June 1969 and July 1970. The GP39 was a derivative of the GP38 equipped with a turbocharged EMD 645E3 12-cylinder engine which generated 2,300 hp (1.72 MW). [1] [2] 23 examples of this locomotive model were built for American railroads. [3]