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Fortress

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

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Zeemax Fortress

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SimpleScore™

Score breakdown:

7.2

Good

7.2

Good

7.2

Good

Professional tire installation near you.

The SimpleTire promise

Best price guarantee

Free tire replacement coverage

24/7 roadside assistance

Easy returns

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ENDS IN...

Zeemax Fortress

SimpleScore™

Score breakdown:

7.2

Good

7.2

Good

7.2

Good

Professional tire installation near you.

The SimpleTire promise

Best price guarantee

Free tire replacement coverage

24/7 roadside assistance

Easy returns

No reviews yet

Want to share your experience with these tires?

Get technical:

Did you find what you were looking for?

Did you find what
you were looking for?