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What it takes to be a big wheel

By Mraz, Stephan J
Publication: Machine Design
Date: Thursday, June 1 2000
HEADNOTE

Off-highway tires have grown as companies want larger and more productive trucks.

In some industries, such as earthmoving and mining, companies looking for that big productivity jump pin their hopes on next-generation

trucks and off highway machinery. They want dump trucks, graders, and front-end loaders with larger payloads, better acceleration and top-end speeds while loaded, and longer service lives, not to mention lower purchasing and maintenance costs. A key variable in this equation is the tire.

Though similar to tires found on family sedans, they are enormous - the largest measure 12.75 ft in diameter, are 4.6 ft wide, weigh 10,000 lb, and cost up to $50,000 a pop. They come in a wide variety, each tailored to different applications, working environments, and operating conditions. The trick for tire designers is making intelligent trade-offs between various performance characteristics to create tires that squeeze that last ounce of work out of the truck and driver.

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Finding and Training the Right Employees
Host Hattie Bryant of Small Business School interviews an employee of TiresPlus, a Minneapolis-based tire company.