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<p><strong>Front-axle brakes designed to meet reduced stopping distance rules may not run hot enough under normal driving conditions</strong>.&nbsp;</p>
What’s Going on with my Brakes?
By Jim Park
When we started looking at wheel-end issues for this month's Tires & Wheels story, we discovered that reduced stopping distance rules have had some unintended consequences.
<p><em>Photo: J.J. Keller</em></p>
Would Your Brakes Pass Inspection?
By Betty Weiland, J.J. Keller
From September 7-13 – Brake Safety Week – more than 30,000 brake inspections are expected to be conducted. Roadside inspectors will be inspecting brake-system components to identify loose and missing parts; air and hydraulic fluid leaks; worn linings, pads, drums and rotors; and other faulty brake-system components.
<p>Apples to oranges. Accurate fuel economy test results can only be obtained using idendical trucks, including the tires.</p>
How Tires Affect Fuel Economy Testing
By Jim Park
When setting out to evaluate a fuel-saving product, you don't want your numbers skewed by differences in rolling resistance from the tires. With some fuel-saving devices promising only marginal gains, the tires' contribution to the fuel consumption can adversely affect the apparent performance of the product. Here's what to watch for when setting up an evaluation or testing program.
Inside the Numbers Driving the Heavy-Duty Trucking Industry
By Staff
There are many ways to tell a story – through words in books and magazines, pictures, videos, song, and more. With the inaugural issue of the HDT Fact Book, we are telling trucking’s story through facts, numbers, statistics, charts, and graphs.
<p><strong>The engine off/engine on pattern of city deliveries can be hard on the oil.</strong> <em>Photo: Deborah Lockridge</em></p>
On-And-Off Engine Patterns Can Be Hard on Oil
By Deborah Lockridge
Fleets that do city deliveries are increasingly turning vehicles off during deliveries rather than letting them idle. While this saves fuel and cuts emissions, and in many cases conforms with local regulations, Chevron warns that it could be affecting your engine oil.


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Rand McNally Products now Integrate with TMT Fleet Maintenance Software TMW System’s TMT Fleet Maintenance software will now be able to integrate with Rand McNally’s line of mobile fleet management devices to incorporate real-time information on vehicle fault codes and location.
New Delo Severe-Duty Oil Offers Protection for Changing Operations Plus Fuel Economy Chevron's new Delo 400 SD SAE 15W-30 engine oil is designed to address the growth of severe-duty applications in on- and off-highway markets.
More Secure Wheel Ends from a New Manufacturer A new company offering wheel-end parts which it says are designed to fit more securely and last longer.
Snap-on’s New Impact Socket Made for Mack and Volvo Trucks Snap-on’s new 1/2 inch Drive 14 mm 6-point Impact Socket is a durable specialty tool for Mack and Volvo trucks.
Chicago Pneumatic Announces New Impact Wrench Chicago Pneumatic announced an addition to its 1-inch impact wrench line up, the CP7776 1 inch High Torque Pistol Impact Wrench.


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