The EMD GP39-2 is a 4-axle road switcher diesel locomotive built by General Motors Electro-Motive Division between 1974 and 1984. 239 examples of this locomotive were built for American railroads. Part of the EMD Dash 2 line, the GP39-2 was an upgraded GP39. The power for this locomotive was provided by a turbocharged 12-cylinder EMD 645E3 diesel engine, which could produce 2,300 horsepower (1,720 kW).
Unlike the original GP39, which sold only 23 examples as railroads preferred the reliable un-turbocharged GP38, the GP39-2 was reasonably successful, ascribed to its better fuel economy relative to the GP38-2 which became of more interest in the 1970s energy-crisis, and to its better performance at altitude.
The GP39-2 sold to five railroads and two industrial operators:
|Atchison, Topeka and Santa Fe Railway||106||3600-3705||All to BNSF|
|Burlington Northern Railroad||40||2700–2739||All to BNSF|
|Delaware and Hudson Railway||20||7601-7620|
|Kennecott Utah Copper Corporation||32||1–3,705–711,779–799,905|
|Missouri–Kansas–Texas Railroad||20||360-379||371 to Union Pacific as 2370, then to NEGS, then to WAMX as 3927, operating with AA|
|Phelps Dodge Corporation||1||33|
|Reading Railroad||20||3401–3420||To Delaware and Hudson, now most in service with CSX|
Several GP40-2 locomotives were rebuilt by Morrison–Knudsen with head-end power generators, which meant that 1,000 horsepower of the locomotive would go to the generator instead of being used for tractive effort. Because of this, they were renamed the GP39H-2 class of locomotives.
Only one GP39-2 is preserved as of 2019:
- CSX 4317, former Reading Railroad 3413, is at the Reading Railroad Museum in Pennsylvania. 4317 is the first GP39-2 in preservation.
Media related to EMD GP39-2 locomotives at Wikimedia Commons
- Sarberenyi, Robert. EMD GP39-2 Original Owners
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