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12.4-20 tires

(842) FarmPro 85 Radial R-1W

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.

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

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

Overall Diameter

2 tires available in 12.4-20

In Size 12.4-20

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

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TR 135 Farm Tractor

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

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

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Alliance (842) FarmPro 85 Radial R-1W

Tire size12.4/R-20
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Alliance (842) FarmPro 85 Radial R-1W

Tire size12.4/R-20 Select sizeHow to find my size12.40R20 119A8 320/80R42 141A8 320/90R42 147A8 340/85R24 125A8 340/85R28 127A8 380/85R34 148A8 380/90R46 163A8 460/85R34 147A8 460/85R38 149A8 Loading

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Tire size12.4/R-20
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