July 2014

Cover Story

5 Keys to Best Parts-Buying Practices

Trucks are on the road much longer than they used to be, and that translates into a greater demand and investment in parts, service, and ongoing maintenance. Which means parts purchasing decisions more important than ever.

Article

Retread Your Way to Prosperity

Retread Your Way to Prosperity

Despite success stories reported by successful fleets, some misconceptions about retreads still exist. These myths are often based on bad, and sometimes severely outdated, information.

Article

Brake Trends: Drums vs. Discs

Brake Trends: Drums vs. Discs

While drum brakes have been enlarged and strengthened to meet stricter federal stopping distance requirements and are currently used on 90% of heavy trucks, discs are gaining in popularity.

Article

Oil Viscosity: How Low Can You Go?

Chevron conducted a live teardown of a Detroit DD15 engine, with more than 400,000 miles of...

To meet expected greenhouse gas/fuel efficiency standards, oil companies and engine makers have been busy developing a new standard for engine oils that will provide a new type of lower-viscosity oil to improve engine efficiency.

Article

2014 Trailer Update

2014 Trailer Update

A sampling of the products trailer manufacturers have newly developed and made modifications to, as well as recently announced partnerships and expanded production capabilities.

Article

Test Drive: Cummins-Eaton Powertrain Smooth as Silk

The brand-new Peterbilt Model 579 loaned to us by TransX Ltd. had less than 40 miles on the...

Cummins and Eaton may have finally nailed it with their SmartAdvantage Powertrain combo, reports Equipment Editor Jim Park in July's Test Drive. The SmartAdvantage powertrain offers fuel and weight saving, as well as a very, very good driving experience.