Locomotive profile: EMD SD70 series locomotives

RELATED TOPICS: ENCYCLOPEDIA | LOCOMOTIVES
BNSF Railway SD70 series SD70ACE No. 8762 pulls a Norfolk Southern train in Indiana.
BNSF Railway SD70 series SD70ACE No. 8762 pulls a Norfolk Southern train in Indiana.
Jim Wrinn
EMD-built SD70 series locomotives

•YEARS BUILT: 1993-present

•MANUFACTURER: EMD

•OPERATED ON: Most North American Class I freight railroads

•NAMES: SD70, SD70I, SD70M, SD70MAC, SD75I, SD75M, SD70M-2, SD70ACe, SD70ACe-P4, SD70ACe-P6, SD70ACe-T4, and SD70-ACe-T4P4; nicknames: Big Mac, Mac, Grinstein, Flags, Flares

•QUANTITY: 5,587+ as of Dec. 31, 2017

•HORSEPOWER: 4,000, 4,300

•KNOWN FOR: First SD70 model to have A.C. traction motors, which significantly improved adhesion levels, along with higher reliability and reduced maintenance

•STATUS: Most in operation on Class I railroads
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