Roadmaster® RM230 HH™

  • Mixed Services
  • All Position
  • Steer Position

The RM230HH™ is an all-position mixed service tire for heavy hauling in urban environments.

Tire Features

Cut And Chip Tread Compound

The tread compound helps resist cuts and chips in mixed service applications.

Stone Protector Ledges

Stone protector ledges on all grooves help resist stone penetration and retention.

Curb Bar With Sidewall Depth Indicator

The curb bar with sidewall depth indicator helps protect the sidewall from scuffing damage and assists in indicating when a tire should be rotated to preserve the casing for retreading.

Deep Tread Depth

The 22.5/32' tread depth helps provide long miles to removal in on/off-road applications.

High Tensile Strength Four-Belt Package

The high tensile strength four-belt package helps provide casing durability and retreadability.

Warranties & Guarantees

2023 Commercial Replacement Tire Guide, Limited Warranty & Registration Booklet For Cooper® & Roadmaster® Tires


Tire Specifications
Tire Specifications

Full Specs

Load Range
Tire Size
  • Tire Size 12R22.5
  • Static Loaded Radius 0 in/ 0 mm
  • Load Range H
  • Tread Depth 22 / 18 mm
  • Revs 484 mile/ 301 km
  • Max Speed 68 mph/ 42 kmh
  • Tire Weight 140.5 lbs/ 63.7 kgs
  • Approved Rim Width 8.25-9.0 in
  • Single Max Load 7390 lbs/ 3352 kgs
  • Overall Diameter 0 in/ 0 mm
  • Single Inflation Pressure 120 psi/ 827 kpa
  • Overall Width 12 in/ 305 mm
  • Dual Max Load 6780 lbs/ 3075.4 kgs
  • Overall Width Loaded 12 in/ 305 mm
  • Dual Inflation Pressure 120 psi/ 827 kpa