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J.D. Power and Associates
2625 Townsgate Road, Suite 100
Westlake Village, CA 91361
- Phone (805) 418-8000
- Toll-Free (800) 274-5372
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Ratings
Power Circle Ratings provide consumers with a quick and easy way to compare products and services. All Ratings are based on the opinions of consumers who have actually used or owned the product or service being rated and not the opinions or preferences of J.D. Power or its analysts. Since the Ratings are based on J.D. Power research studies that survey a representative sample of owners, they are indicative of what typical buyers may experience.
PowerCircle Ratings Viewer
View the results of any of our studies by choosing the industry, category, specific rating, and segment/region (if applicable) below.
2011 Heavy Duty Truck Engine and Transmission Customer Satisfaction Study
Award Recipient: International
Heavy Duty Truck Engine Ratings
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| Award Recipient International |
| 5 |
| Cummins | Detroit Diesel | Mack |
| 3 | 3 | 3 |
*Please note that jdpower.com Ratings may not include all information used to determine J.D. Power and Associates awards. Learn more about how J.D. Power Circle Ratings are calculated.
Scoring Legend
- 5 Among the best
- 4 Better than most
- 3 About average
- 2 The rest