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How Dual Tires Are Designed to Work?

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Dual tires are designed to work together and are ideally mounted concurrently, operated at identical inflation pressures, wear evenly, and deliver the same service life. Even small differences in dual tires can lead to greater tire wear and a loss of equipment performance. Working with your local tire dealer or rep to establish a tire rotation program is an excellent strategy for maximizing your investment in tires.




Mixing New and Worn Tires

Ideally, OTR tires are mounted at the same time, however, that’s not always the case, such as when a damaged tire requires replacement. When changing a dual-position tire in need of premature replacement, it’s wise to replace both tires simultaneously. If replacing just one tire, it’s highly recommended that it’s changed out with a matching used tire—that is, the same brand and model of tire with similar tread depth and OD. Keep in mind, a worn-out tire installed next to a new tire can increase the load by 55% on the larger tire.

Inflation Pressure

It’s extremely important to maintain the inflation pressure of dual-position tires, as even minor variances in PSI can cause otherwise identical tires (the same make, model, tread depth, and diameter) to mismatch. A difference of just 10% in the air pressure of dual-position tires equates to an 11% difference in the load carried by each tire.

Radial vs. Bias-Ply

Radial tires and bias-ply tires are built differently. Radial tires are constructed and operate in two parts and feature plies that run perpendicular to the circumference of the tire. Conversely, bias-ply tires are built as a single working unit with plies that criss-cross, commonly at 45-degree opposing angles. 

Because the two types of tires have their own unique construction, they work differently. Radial tires deflect more than their bias-ply counterparts. If a radial and bias tire are used together in a dual position, the bias tire will bear more load, adding to its natural tendency to wear faster.  

Yokohama Premium OTR Tires

Yokohama Off-Highway Tires America

Tires play an important role in today’s construction and mining industries. Yokohama Off-Highway Tires America premium Yokohama OHT tires deliver application-specific solutions to help customers meet the real-world challenges facing them and help them improve everything from productivity to fuel consumption to tire longevity. Whether you’re looking for a dual-position or single-position tire, want to learn more about our impressive product line, or need a hand establishing a tire maintenance program, contact your local dealer or rep.


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