EMD SD7

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EMD SD7
EMD SD7
SP 1518 at the Illinois Railway Museum
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model SD7
Build date February 1952 – November 1953
Total production 188
AAR wheel arr. C-C
Gauge ft 8½ in (1435 mm)
Prime mover EMD 567B
Cylinders V16
Power output 1,500 hp (1.1 MW)
Locale United States
Disposition some still in service

An EMD SD7 is a 6-axle diesel locomotive built by General Motors Electro-Motive Division between February 1952 and November 1953. Power was provided by an EMD 567B 16-cylinder engine which generated 1500 horsepower (1.1 MW).

188 examples of this locomotive model were built for American railroads.

[edit] Preservation

The first SD7 built by EMD, former demonstrator 990, Southern Pacific 1518, is preserved in operational condition at the Illinois Railway Museum.

[edit] References




6- and 8-axle diesel-electric locomotives built by GM-EMD
Six-axle road power: SD7, SD9, SD18, SD24, SD28, SD35, SDP35, SD38, SD38AC, SD38-2, SD39, SDL39, SD40, SD40X, SD40A, SD40-2, SD40-2W, SD40T-2, SD40-2S, SDP40, SD45, SD45X, SD45-2, SD45T-2, SDP45, SD50, SD60, SD70, SD70M, SD70MAC, SD70M-2, SD70ACe, SD75M, SD75I, SD80MAC, SD90MAC
Eight-axle road power: DD35, DD35A, DDA40X, DDM45
See also: List of GM-EMD locomotives