Roadmaster
ROADMASTER® RM830 EM
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Regional
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All Position
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Steer Position
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SmartWay Verified
The RM830 ™ is a regional all-position SmartWay verified tire for long miles to removal.
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Tire Features
High Tensile Strength Four-Belt Package
The high tensile strength four-belt pacakge helps provide casing durability and retreadability.
Energy Max Fuel-Efficient Compound
The tire’s tread design and rubber compounding helps provide low rolling resistance and contributes to fuel efficiency, earning SmartWay verification.
5-Rib Tread Design
Chevron-shaped ribs help provide even wear and traction.
Radial Siping
Radial siping helps enhance traction in wet conditions.
Optimized Footprint
The optimized footprint helps deliver even wear.
Warranties & Guarantees
2023 Commercial Replacement Tire Guide, Limited Warranty & Registration Booklet For Cooper® & Roadmaster® Tires
Tire Specifications
Tire Specifications
Full Specs
- Tire Size 315/80R22.5
- Static Loaded Radius 0 in/ 0 mm
- Load Range L
- Tread Depth 18 / 14 mm
- Revs 491 mile/ 305 km
- Max Speed 75 mph/ 47 kmh
- Tire Weight 130.6 lbs/ 59.2 kgs
- Approved Rim Width 9.0-9.75 in
- Single Max Load 9090 lbs/ 4123.2 kgs
- Overall Diameter 44 in/ 1124 mm
- Single Inflation Pressure 130 psi/ 896 kpa
- Overall Width 12.3 in/ 312 mm
- Dual Max Load 8270 lbs/ 3751.2 kgs
- Overall Width Loaded 12.3 in/ 312 mm
- Dual Inflation Pressure 130 psi/ 896 kpa