Cooper Tire launches Roadmaster RM351 HD mixed service drive tyre

15th February 2019 | 0 Comments
 
Cooper Tire launches Roadmaster RM351 HD mixed service drive tyre
Cooper’s Roadmaster RM351 HD mixed service drive tyre

Wider footprint, deeper tread depth for greater longevity

Cooper Tire has launched the Roadmaster RM351 HD mixed service drive tyre to its North American commercial range. Engineered for mixed service applications such as construction, logging and mining operations, the tyre 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 an inch wider than its predecessor, the RM300 HH, with a 20 per cent larger footprint. Coupled with its deep 32/32nds tread depth, Cooper states that it provides up to 25 per cent more miles to removal, depending upon the application. “That’s a big step forward in tyre performance for our Roadmaster customers,” said Gary Schroeder, executive director of Cooper’s global truck and bus tyre business. “By going wider, we spread the weight over the tyre to gain better mileage, while also improving traction. It’s a win-win.”

To lengthen tyre life, tie bars between the outside lug and the shoulder, along with shoulder grooves that are linked and interlocked, help to reduce irregular wear. The sidewall has been made thicker with a curb bar protector to help protect the casing from cuts and scrubbing.

For traction and long-life performance, the tyre features five lugs that have an open pattern to minimise stone retention while enhancing traction. Stone ejector ledges, coupled with angled grooves, also help prevent stone drilling. “That’s a key feature of the tyre as it will be used off-road where sharp stones can be a tyre’s worst enemy if they’re allowed to drill into the casing. The way we designed this tyre helps preserve the casing for multiple retreads,” Schroeder added.

The Roadmaster RM351 HD’s casing itself is also robust, with four-belt steel design construction. Cooper provides a six year, two retread warranty on the RM351 HD. “The casing we’ve developed for this tyre, along with the warranty, provide life and cost efficiency beyond the original tread,” said Schroeder.

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