description EMD SD70M-2 Overview
The EMD SD70M-2 is a six-axle diesel-electric freight locomotive manufactured by Electro-Motive Diesel (EMD). Introduced in 2004, it is equipped with a 16-cylinder 710G3B-T2 prime mover rated at 4,300 horsepower and features AC traction technology. The model was developed to meet EPA Tier 2 emissions standards and competed with General Electric's Evolution Series locomotives. Primary customers included Union Pacific, Norfolk Southern, Canadian National, and Kansas City Southern.
help EMD SD70M-2 FAQ
How much horsepower does the EMD SD70M-2 produce?
The EMD SD70M-2 is rated at approximately 4,000 horsepower, generated by its robust 16-cylinder 710 series prime mover. This power output places it squarely in the tier of heavy mainline freight locomotives designed for hauling massive unit trains.
What is the difference between the EMD SD70M and the SD70M-2?
Introduced in the mid-2000s, the SD70M-2 was designed to meet the strict Tier 2 emissions standards set by the Environmental Protection Agency, whereas the older SD70M did not. It also features updated internal electronics and structural improvements over its predecessor.
Which railroad is the primary user of the EMD SD70M-2?
The Union Pacific Railroad is the most notable primary user of the EMD SD70M-2, purchasing hundreds of these units for their expansive freight network. Other buyers included Canadian National and the Florida East Coast Railway.
When was the EMD SD70M-2 produced?
The SD70M-2 was produced by Electro-Motive Diesel (EMD) during the mid-2000s, specifically starting around 2005. Production was relatively brief as EMD transitioned to newer models like the Tier 4-compliant SD70ACe-T4 to meet future regulatory demands.
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