Discoverer AT3 XLT

All-terrain tires offer drivers traction on- and off-road, and are typically used by light truck and SUV drivers who want a tire that's able to climb rocks and perform on the highway.

Browse All Terrain tires

Designed for use on commercial truckers, trailers, vans, and other hauling vehicles. Commercial tires are often built for use in the drive, steer, axle, or all position in regional, line haul, urban, and pickup and delivery applications.

Browse Commercial tires

This product is covered by a 60,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same manufacturer, may or may not come with a treadlife warranty.

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

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

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

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.

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.

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.

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

Shipping weight (lbs)

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

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

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

A three-peak mountain snowflake (3PMSF) symbol branded on a tire's sidewall indicates the tire meets required performance criteria in snow testing to be considered severe snow service-rated.