What are the key differences between EMD FP9 and EMD SD40?

Compare EMD FP9 and EMD SD40 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are EMD FP9 and EMD SD40 scored?

EMD FP9 has an AI score of 8.3/10 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 FP9 vs EMD SD40 2026 - Compared

EMD FP9

EMD SD40

WINNER EMD SD40

EMD SD40 edges ahead with a score of 8.7/10 compared to 8.3/10 for EMD FP9. While both are highly rated in their respect...

EMD FP9

8.28 Great

Locomotive Get EMD FP9 open_in_new

emoji_events WINNER

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 8.3/10 for EMD FP9. 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 FP9

The EMD FP9 is a 1,750-horsepower B-B diesel-electric locomotive developed by the Electro-Motive Division of General Motors and General Motors Diesel for passenger and mixed-service trains. Production ran from 1954 through 1959, with units built for railways in Canada, the United States, and other North American markets. Its extended F-unit body accommodated passenger-service equipment and helped...

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...