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<tr><th>Builder</th><td>General Motors Electro-Motive Division (EMD)</td></tr><tr><th>Build date</th><td>1969 – 1970</td></tr><tr><th>Total production</th><td>18</td></tr><tr><th>AAR wheel arr.</th><td>C-C</td></tr><tr><th>Gauge</th><td>4 ft 8¹⁄₂ in (1435 mm)</td></tr><tr><th>Prime mover</th><td>EMD 645E3</td></tr><tr><th>Cylinders</th><td>16</td></tr><tr><th>Power output</th><td>3,000 hp (2,200 kW)</td></tr><tr><th style="color: black; background: #cc9966; text-align: center;">Career</th><td style="color: black; background: #cc9966; text-align: center;">Illinois Central, Soo Line</td></tr><tr><th>Locale</th><td>United States</td></tr><tr><th>Disposition</th><td>all withdrawn by 2005</td></tr>

EMD SD40A

Power type	Diesel-electric

An EMD SD40A is a six-axle diesel locomotive built by General Motors Electro-Motive Division between 1969 and 1970. 18 examples of this locomotive were built exclusively for the Illinois Central Railroad. The SD40A was basically an SD40 built on an SDP45 frame. This locomotive is powered by a sixteen-cylinder EMD 645E3 diesel engine, which could provide 3,000 horsepower (2,200 kilowatts). Illinois Central Railroad used the SD40A as a long-range road-switcher, utilizing the larger fuel tank found on the SDP45. The Soo Line Railroad eventually acquired five of these units and as of 2005 they are out of service.

[edit] References

• Sarberenyi, Robert. EMD SD40, SD40A, and SDP40 Original Owners. Retrieved on August 27, 2006

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