SD70/SD70D/SD70DA Ref. VOE CPN 59041913 English Printed in Sweden 2008-06 Volvo, Shippensburg CST. This manual and its contents are produced.
An Illinois Central locomotive sits in fresh paint. Photo credit Illinois-Central.Net
The SD70 was EMD's entrance into the 1990s with the now-faithful 710G3 engine. With a new transition from the SD60, SD60M, and SD60I, Electro-Motive now offered most optional features (like extended range dynamic brakes) as standard; the major change, however, came in the High Traction Control-Radial (HTC-R) truck, experimented with a lone SD60 engine and the experimental SD60MAC, was now standard issue on the SD70 series.
Three demonstrator SD70Ms, 7000-7002, show off their power on a loaded coal train (with a research passenger car behind it) in May of 1993 in Manchester, Georgia. Photo credit Casey Thomason
With new federal law requirements, all locomotives were mandated to have the wide cab that was only optionally offered by Electro-Motive. (Most railroads purchased the wide cab around this time anyways for crew comfort and for better visibility.) This new law led to the SD70M and AC-relative locomotive SD70MAC. Like the SD60I, railroads also requested an isolated cab version of this locomotive, and thus the SD70I was created. Canadian National railroad was the sole purchaser of the SD70I locomotive
A Canadian National SD70I sits with a coal train in Chicago, Illnois, pictured in fresh paint in January of 1996. Photo credit Eric Larson
Later SD70M locomotives featured a more angular cab that was used on the SD70ACe along with flared radiators (much like the SD45.
A late production Union Pacific SD70M sits 11 months after it was built relatively clean in a Kansas City, Kansas yard. Notice the flared radiators and newly design cab. Union Pacific was a major purchaser of the SD70M locomotive type. Photo credit Warren Calloway
Total production of the original DC SD70 series from 1992 to 2005 came out to 122 SD70s (standard cab), 1609 SD70Ms, and 26 SD70Is.
PT-Specific Information
Sd70mac Manual Free![]() Notes
⚠: Not Verified or Educated Guess
(1): Late SD70s were rated at 4300 horsepower.
Sd70mac Manual Pdf
(2): Later units were produced with fully automatic starters.
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