Rock Products

APR 2017

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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30 • ROCK products • April 2017 www.rockproducts.com BIAS vs. RADIAL TIRES A s construction equipment has grown in the last couple decades – in size, power, weight and speed – so too has the need for off-the-road tires that can keep up with the increased demand. As such, a tire market that was com- prised of 100-percent bias designs only a couple decades ago has now moved primarily to radial for larger earthmov- ing equipment. While radial technology outperforms bias in many instances (justifying the increased cost), bias tires, when used in the proper application, can provide significant cost savings and performance benefits over radial – proving the latest isn't always the greatest. This is particularly true in a quarry setting, where a bias may be a better fit for one loader and radial may be a better fit for another loader on the same site. It all comes down to how the tire is being used. "I see a lot of customers purchasing radial, often simply because of the assumption that it's going to be a better tire," said Johni Francis, OTR global product manager for Titan International. "However, it's not whether radial is better than bias, but what works best for their specific application. They aren't going to see any difference in benefits from a radial over a bias in certain applications. In fact, the radial may not perform as well as the bias." Rethinking Radials How Bias Can Provide Cost and Performance Benefits. By Mark S. Kuhar Beyond the decision of bias versus radial, tread depth can also have an impact on cost per hour.

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