An EMD GP39DC is a 4-axle diesel locomotive built by General Motors Electro-Motive Division in June 1970. Power was provided by a turbocharged 12-cylinder EMD engine that generated 2,300 hp. This locomotive model was basically a GP39 with DC main generator instead of an alternator. Electro-Motive Diesel, Inc. ... 1970 (MCMLXX) was a common year starting on Thursday (the link is to a full 1970 calendar). ... The AAR wheel arrangement system is a method of classifying locomotive (or unit) wheel arrangements that was developed by the Association of American Railroads. ... Rail gauge is the distance between the inner sides of the two parallel rails that make up a railway track. ... A foot (plural: feet) is any of several old units of distance or length, measuring around a quarter to a third of a meter. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ... A millimetre (American spelling: millimeter, symbol mm) is an SI unit of length that is equal to one thousandth of a metre. ... A piston and cylinder from a steam engine A cylinder in an internal combustion engine is the space within which a piston travels. ... The horsepower (hp) is the name of several non-metric units of power. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Great Western Railway No. ... Electro-Motive Diesel, Inc. ... 1970 (MCMLXX) was a common year starting on Thursday (the link is to a full 1970 calendar). ... A piston and cylinder from a steam engine A cylinder in an internal combustion engine is the space within which a piston travels. ... The horsepower (hp) is the name of several non-metric units of power. ... An EMD GP39 is a 4-axle diesel locomotive built by General Motors Electro-Motive Division between 1969 and 1970. ... Direct current (DC or continuous current) is the continuous flow of electricity through a conductor such as a wire from high to low potential. ... An electrical generator is a device that converts mechanical energy to electrical energy, generally using electromagnetic induction. ... Early 20th century Alternator made in Budapest, Hungary, in the power generating hall of a hydroelectric station. ...
2 examples of this locomotive model were built for Kennecott Copper Company as 1 and 2, later sold to Copper Basin Railway as 401 and 402 The Copper Basin Railway (AAR reporting mark CBRY) is an Arizona shortline railroad that operates from a connection with the Union Pacific Railroad (AAR reporting mark UP) at Magma to Winkelman, Arizona, 54 miles. ...
References
Marre, Louis A., and Pinkepank, Jerry A. (1989). The Contemporary Diesel Spotter's Guide. Waukesha, WI: Kalmbach Books. ISBN 0-89026-088-4.
Sarberenyi, Robert. EMD GP39 Original Owners. Retrieved on August 27, 2006
4-axle general purpose diesel locomotives built by GM-EMD
An EMDGP20 is a 4-axle diesel locomotive built by General Motors Electro-Motive Division between November 1959 and April 1962.
While the EMD SD24 with six axles was producing 2400 Hp with an engine of the same displacement, the four axle GP20 was limited to 2000 Hp by the capabilities of the traction motors of the time.
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