Roadmaster® RM230 HH+™

  • Mixed Services
  • All Position
  • Steer Position

The RM230 HH+™ is a mixed service on/off-road all-position tire designed to handle heavy hauling in high-scrub applications.

Tire Features

Innovative Tread Compound

The tread compound helps with heavy hauling and high-scrub applications.

Deep Tread Depth

The 23/32' tread depth helps provide long miles to removal in high- scrub 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.

10,000-Lb. Load-Carrying Capacity

A robust tire construction helps provide the load-carrying capacity for high-load steer axles.

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 315/80R22.5
  • Static Loaded Radius 0 in/ 0 mm
  • Load Range L
  • Tread Depth 22 / 18 mm
  • Revs 484 mile/ 301 km
  • Max Speed 62 mph/ 39 kmh
  • Tire Weight 148.1 lbs/ 67.2 kgs
  • Approved Rim Width 9.0-9.75 in
  • Single Max Load 10000 lbs/ 4535.9 kgs
  • Overall Diameter 44 in/ 1124 mm
  • Single Inflation Pressure 130 psi/ 896 kpa
  • Overall Width 12.4 in/ 315 mm
  • Dual Max Load 8270 lbs/ 3751.2 kgs
  • Overall Width Loaded 12.4 in/ 315 mm
  • Dual Inflation Pressure 130 psi/ 896 kpa