Yokohama Tire's new RY637 MSC (Maintenance Saving Concept) tire was designed to provide a “solid solution” to concerns about longhaul steer tires. “The RY637 MSC is not just another steer tire but truly a ground-up re-engineering of both construction and production technology to create a remarkable new product,” says John Cooney, director of commercial sales.
According to Cooney, the tire's design addresses irregular tread wear to decrease overall maintenance costs while lengthening the original tread life. He says the Maintenance Saving Concept accomplishes this by “gearing all elements to control the pressure on the tread as the tire rolls.”
Cooney points out that the tire's patent-pending stress wear control groove reduced contact pressure at the tread edge for increased resistance to shoulder step-down wear; its patent-pending stress wear control rib isolates heavy pressure on the rib to reduce contact pressure on the inner rib edge; its stress wear control sipes reduce contact pressure on the inside of the shoulder rib; and its stress control groove contour reduces stiffness at the outside of the groove edge.
What's more, says Cooney, the tire has an ultrawide top steel belt for uniform stiffness across the tread face and a new contoured bead design that ensures the tire sits evenly on the wheel to improve uniformity and decrease tire vibration.
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