Growth strategies

Cooper Tire introduces Roadmaster RM351 HD tire

Cooper Tire has added the Roadmaster RM351 HD tire to its commercial tire lineup.

Engineered for mixed-service applications, such as construction, logging and mining operations, the tire is designed for both on- and off-road driving, and comes in two sizes: 11R22.5 and 11R24.5, in load range H.

The Roadmaster RM351 HD is 1 in. wider than its predecessor, the RM300 HH, with a 20 percent larger footprint. Coupled with its deep 32/32nds tread depth, it provides up to 25 percent more miles to removal depending upon the application, the company says.

“That’s a big step forward in tire performance for our Roadmaster customers,” says Gary Schroeder, executive director of Cooper’s Global Truck and Bus Tire Business. “By going wider, we spread the weight over the tire to gain better mileage, while also improving traction.”

To help ensure long tire life, tie bars between the outside lug and the shoulder, along with shoulder grooves that are linked and interlocked, help ward off tire squirm and irregular wear. The sidewall is extra thick with a curb bar protector to help protect the casing from cuts and scrubbing, Cooper Tire says.

For traction and long-life performance, the tire features five lugs that have an open pattern to minimize stone holding while enhancing traction. Stone ejector ledges, coupled with angled grooves, also help prevent stone drilling.

“That’s a key feature of the tire as it will be used off-road where sharp stones can be a tire’s worst enemy if they’re allowed to drill into the casing. The way we designed this tire helps preserve the casing for multiple retreads,” Schroeder adds.

The Roadmaster RM351 HD’s casing features a four-belt steel design construction. Cooper provides a six-year, two-retread warranty on the RM351 HD.

“The casing we’ve developed for this tire, along with the warranty, provide life and cost efficiency beyond the original tread,” says Schroeder.

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