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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.

(324) Tractor Bias R-1

Promotion valid Oct 01, 2024 - Sep 30, 2025

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Valid for October 1 thru September 30, 2025<br/><br/>As a SimpleCrew member, you have FREE access to exclusive discounted pricing on select tires.<br />
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Best Rated  Tires

Farm Service Lug-M

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

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

Tire Weight

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

Section Width

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

Overall Diameter

TR 135 Farm Tractor

The maximum carrying capacity for a tire determined by the manufacturer.

Load Index

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

Rim Range

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

Alliance (324) Tractor Bias R-1 Reviews

Select a tire sizeSelect sizeHow to find my size12.4/-r36 D 14.90/-r30 132A8 D 15.50/80-r24 H 16.9/-r28 C 16.9/-r30 D 18.4/-r26 A8 F 9.5/-r32 C 9.50/-r22 101A8 C 9.50/-r36 149A8 G

SimpleScore™

Score breakdown:

8.6

Great

8.0

Great

8.6

Great

6 reviews

4.8

33%

Review breakdown

Scorecard

Dry

Wet

Winter

Comfort

Noise

Treadwear

4 SimpleTire reviews

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