ST Radial R501 91L

These tires are intended for trailer axles only, and can withstand long miles of in-line hauling. They're not meant for steering or drive axle applications, and their design offers years of reliable service in trailer applications. Choose from favorites like Gladiator, Carlisle and Goodyear trailer tires.

Vehicle

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer  
                (Single wheel applications / Dual wheel applications).

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

Load Range

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

Yes, Thunderer tires are covered against defects in manufacturing and workmanship for a 5-year period, and select Thunderer tires also have up to 60,000 mile limited tread life warranty.

Thunderer tires are manufactured in Thailand.

Thunderer trailer tires

1237 reviews on Thunderer tires

Review breakdown

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