Cooper Tire & Rubber added a new size — 275/70R22.5 — to its Roadmaster RM230 HH tire line to meet the demands of severe-duty applications, such as logging and mining.
The Roadmaster RM230 HH tire is designed to withstand stone penetration, with an 18-ply rating, a tread depth of 22/32-inch, cut- and chip-resistant compounding, and an off-road design with lugs and a stone protector ledge. According to the company, the deeper tread will help reduce tire damage from off-road challenges, such as shot rock and tree roots, and the tire’s proprietary compounding helps reduce scrubbing once the tire is running on pavement.












