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 6.2/10 and EMD GP40 has an AI score of 8.4/10. 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 8.4/10 compared to 6.2/10 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 8.4/10 compared to 6.2/10 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

American six-axle diesel-electric locomotive produced by EMD from 1995, designed around a 6,000 hp prime mover though most delivered units ran the 4,300 hp 16-710 engine.

EMD GP40

American four-axle turbocharged freight locomotive produced by EMD from 1965 to 1971, rated at 3,000 horsepower and widely deployed across North American railroads.