What are the key differences between EMD SD90MAC-H and EMD SD40?

Compare EMD SD90MAC-H and EMD SD40 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are EMD SD90MAC-H and EMD SD40 scored?

EMD SD90MAC-H has an AI score of 4.7/10 and EMD SD40 has an AI score of 8.7/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

EMD SD90MAC-H vs EMD SD40 2026 - Compared

EMD SD90MAC-H

EMD SD40

WINNER EMD SD40

EMD SD40 edges ahead with a score of 8.7/10 compared to 4.7/10 for EMD SD90MAC-H. While both are highly rated in their r...

EMD SD40

8.65 Great

Locomotive Get EMD SD40 open_in_new

psychology AI Verdict

EMD SD40 edges ahead with a score of 8.7/10 compared to 4.7/10 for EMD SD90MAC-H. While both are highly rated in their respective fields, EMD SD40 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: EMD SD40

verified Confidence: Low

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description Overview

EMD SD90MAC-H

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...

EMD SD40

The EMD SD40 is a six-axle diesel-electric freight locomotive produced by General Motors Electro-Motive Division from 1966 to 1972. It uses a 3,000-horsepower EMD 645-series diesel engine and a C-C wheel arrangement, giving it the tractive capacity required for heavy North American freight service. The SD40 formed part of EMD's 40 Series and provided the mechanical basis for the later SD40-2, one...