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We offer fast shipping on every tire shipped to an installer partner or FedEx pickup location.  A nominal shipping fee will be added for oversized tires (typically larger farm, commercial and industrial sizes). Learn more about your delivery options in our <a href='/faqs' style='border-bottom: 2px dotted' target='_BLANK'>FAQ</a>.

Oversized Tires.

Xtra Grip R-4

Promotion valid Feb 20, 2025 - Mar 31, 2025

See what others with your vehicle like most.

Top Rated

Valid for February 20 thru March 31, 2025<br/><br/>

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Terra Turbo HF-3

(324) FarmPRO Bias R-1

Designed for use on tractors, sprayers, harvesters, trailers, implement control, and other farm equipment. These tires are typically designed to reduce soil compaction, resist damage, and provide high flotation so that drivers don't sink in soft surfaces.

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.

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.

Carlstar Xtra Grip R-4 Reviews

1 size availableSelect sizeHow to find my size43/16.00-20 129A8 C Loading

SimpleScore™

Score breakdown:

8.5

Great

7.7

Good

8.5

Great

5 reviews

5

100%

Review breakdown

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

3 SimpleTire reviews

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