description EMD SD90MAC-H Overview
The EMD SD90MAC-H is a six-axle diesel-electric freight locomotive developed by Electro-Motive Division in the late 1990s. It used a 6,000-horsepower, 16-cylinder H-engine and AC traction equipment, placing it among the highest-powered locomotives offered by EMD at the time. The model was built in limited numbers, and its engine design was associated with reliability and maintenance problems. Most examples were later rebuilt or retired.
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How good is EMD SD90MAC-H?
EMD SD90MAC-H scores 4.72/10 (Poor) on Lunoo, making it rated in the Locomotive category. Ambitious 6000-horsepower engineering undermined by serious reliability problems, high maintenance costs, and widespread early retirement.
What are the best alternatives to EMD SD90MAC-H?
See our alternatives page for EMD SD90MAC-H for a ranked list with scores. Top alternatives include: EMD GP40-2, EMD DDA40X, EMD SD40T-2 Tunnel Motor.
How does EMD SD90MAC-H compare to EMD GP40-2?
See our detailed comparison of EMD SD90MAC-H vs EMD GP40-2 with scores, features, and an AI-powered verdict.
Is EMD SD90MAC-H worth it in 2026?
With a score of 4.72/10, EMD SD90MAC-H is a solid option in Locomotive. See all Locomotive ranked.
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