KIRKLAND, WA – Kenworth Truck Company received the highest ranking in customer satisfaction among Class 8 truck owners in the Over The Road and Vocational Segments, according to the new J.D. Power and Associates 2008 Heavy-Duty Truck Customer Satisfaction Study.

The annual study ranks customer satisfaction by evaluating manufacturer performance in the areas of vehicle performance, quality, warranty, and cost of ownership. The study is based on interviews with primary maintainers of 2006 model year Class 8 trucks.  

The Over The Road and Vocational Segment honors gave Kenworth a sweep of the product segment awards presented in the 2008 J.D. and Power Associates study. Kenworth has now received the Over the Road award for the past four consecutive years and the Vocational award for two straight years. For more information, visit