Commercial Tires

Roadmaster RM185

All Position Tire

The RM185 is a regional all position tire that is SmartWay verified and CARB compliant. The solid shoulder tread design and high tensile strength four belt construction combine to provide the retreadability, treadwear, and fuel efficiency to meet your fleet's requirements.

Smartway Verified Low Rolling Resistance Tire
Tire design and rubber compounding provide low tire rolling resistance and contribute to fuel efficiency.

Robust All-Position Tread Pattern
18.5 / 32" tread depth combined with solid shoulder ribs make this tire ideally suited for regional haul and pick-up and delivery service.

Micro Sipes on Grooves Edges
Provide enhanced traction in wet road conditions and resists "river wear."

Warranty Information

For Roadmaster dealer locations, please call 800-854-6288, 8-5 EST, Monday-Friday


Sizes and Specifications
Tire Size Service Description UTQG Load Range Sidewall Approved Rim Width Measured Rim Width Section Width Overall Diameter Tread Width Max Load Tread Depth
11R22.5 144 L 0   G BLK 7.5 - 8.25 8.25 10.79 41.42 0 6175 18.5
11R22.5 146 L 0   H BLK 7.5 - 8.25 8.25 10.79 41.42 0 6610 18.5
11R24.5 146 L 0   G BLK 7.5 - 8.25 8.25 10.94 43.46 0 6610 18.5
11R24.5 149 L 0   H BLK 7.5 - 8.25 8.25 10.94 43.46 0 7160 18.5
285/75R24.5 144 L 0   G BLK 8.25 - 8.25 8.25 10.75 41.5 0 6175 18.5