description EMD SD90MAC Overview
The EMD SD90MAC is a six-axle diesel-electric freight locomotive developed by Electro-Motive Division in the 1990s. It was designed for high-horsepower heavy-haul service and was associated with the 6,000-horsepower SD90MAC-H, while many locomotives delivered in the series used the 4,300-horsepower 16-710 engine instead. The model belongs to EMD's generation of wide-cab locomotives built for North American freight railroads.
help EMD SD90MAC FAQ
What is the EMD SD90MAC used for?
The EMD SD90MAC is a six-axle diesel-electric freight locomotive designed for heavy-haul service. It was developed by Electro-Motive Division during the 1990s.
How much power was associated with the SD90MAC-H?
The SD90MAC-H was associated with a 6,000-horsepower rating. However, not every locomotive delivered in the SD90MAC series used the same engine configuration.
Why is the SD90MAC called a six-axle locomotive?
Six axles help spread the locomotive's weight and provide traction for heavy freight trains. That arrangement suits the SD90MAC's intended high-power, heavy-haul role.
Who built the SD90MAC?
The locomotive was developed by Electro-Motive Division, commonly known as EMD. The SD90MAC belongs to EMD's diesel-electric freight locomotive family.
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