Burlington Northern Santa Fe No. 2772, an EMD GP39-2.
CSX 4318 EMD GP39-2 at Deerfield Beach Seaboard Air Line Railway Station.
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Burlington Northern Santa Fe No. 2772, an EMD GP39-2.

By terry cantrell - originally posted to Flickr as IMG_1576, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=3924311

Webb Asset Management's EMD GP39-2, WAMX 3937, resting at Scott City, Kansas. New built to Delaware & Hudson Railway as DH 7604.
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Webb Asset Management's EMD GP39-2, WAMX 3937, resting at Scott City, Kansas. New built to Delaware & Hudson Railway as DH 7604.

By Tequask - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=65401607

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CSX 4318 EMD GP39-2 at Deerfield Beach Seaboard Air Line Railway Station.

By Joedamadman (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

EMD GP39-2 Diesel-Electric Locomotive
The EMD GP39-2 is a 4-axle 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 energy-crisis 1970s, and to its better performance at altitude.

Original Owners
The GP39-2 sold to five railroads and two industrial operators:

Atchison, Topeka and Santa Fe Railway

Quantity: 106
Road numbers: 3600-3705
Notes: All to BNSF.

Burlington Northern Railroad

Quantity: 40
Road numbers: 2700–2739
Notes: All to BNSF.

Delaware and Hudson Railway

Quantity: 20
Road numbers: 7601-7620

Kennecott Utah Copper Corporation

Quantity: 32
Road numbers: 1-3, 705-711, 779-799, 905

Missouri-Kansas-Texas Railroad

Quantity: 20
Road numbers: 360-379

Phelps Dodge Corporation

Quantity: 1
Road number: 33

Reading Railroad

Quantity: 20
Road numbers: 3401-3420
Notes: To Delaware and Hudson Now most in service with CSX.

EMD GP39-2 Overview
Type and origin
Power type: Diesel-electric
Builder: General Motors Electro-Motive Division (EMD)
Model: GP39-2
Build date: 1974 – 1984
Total produced: 239
Specifications
Configuration:
​ • AAR B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Length: 59 ft 2 in (18.03 m)
Prime mover: EMD 645E3
Engine type: V12 diesel
Cylinders: 12
Performance figures
Power output: 2,300 hp (1,720 kW)
Career
Locale: United States

See also:

EMD Locomotives

Diesel-Electric Locomotives

Electro-Motive Division

Locomotives