Heavy Duty Truck Engine Ratings

Award Recipient

International

Ratings Factors

Company

Overall Satisfaction: This score is based on how customers rate their overall satisfaction with their heavy-duty truck engine.

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Cummins

Detroit Diesel

International
Award Recipient

Mack

Among the best

Better than most

About average

The rest

Please note that J.D. Power Consumer Center Ratings may not include all information used to determine J.D. Power and Associates awards.