What are the key differences between EMD SD90MAC and EMD GP40?

Compare EMD SD90MAC and EMD GP40 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are EMD SD90MAC and EMD GP40 scored?

EMD SD90MAC has an AI score of 5.70/10 and EMD GP40 has an AI score of 7.73/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

EMD SD90MAC vs EMD GP40 2026 - Compared

EMD SD90MAC

EMD GP40

WINNER EMD GP40

EMD GP40 edges ahead with a score of 7.7/10 compared to 5.7/10 for EMD SD90MAC. While both are highly rated in their res...

EMD SD90MAC

5.70 Mediocre

Locomotive

emoji_events WINNER

EMD GP40 edges ahead with a score of 7.7/10 compared to 5.7/10 for EMD SD90MAC. While both are highly rated in their respective fields, EMD GP40 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: EMD GP40

verified Confidence: Low

description Overview

EMD SD90MAC

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...

EMD GP40

The EMD GP40 is a four-axle diesel-electric locomotive built by the Electro-Motive Division (EMD) of General Motors between 1965 and 1971. It was among the first mass-produced American locomotives to use a turbocharged engine, utilizing EMD's 16-cylinder 645E3 power plant to generate 3,000 horsepower. The locomotive uses a B-B wheel arrangement, making it suitable for general freight service acros...