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8-18 tires

R1HD

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 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.

Sidewall

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

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.

Three-Peak Mountain Snowflake (3PMS)

6 tires available in 8-18

In Size 8-18

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

TR 171

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

Section Width

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

Rim Range

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

Overall Diameter

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

TR144 Rear Tractor R-1

Save on this  tire today.

Best deal:

Save even more.

Most popular among drivers in PA

Best seller:

Go with the best seller

D413

2 to 4 day delivery to Feasterville-Trevose, PA

From 121.96 to 244

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8/18 k9 Tires

Featured

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Vehicle

Price Range

K9 R1HD
8-18 F | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Range
F (12 Ply)

Sidewall
Blackwall
Inflation Pressure
25 PSI
Part Number
K980018R1HD
Tire Weight
41 lbs
Three-Peak Mountain Snowflake (3PMS)
No

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8/18 k9 Tires

K9 R1HD8-18 F | In stock

VehicleFarm & AgriculturalMileage WarrantyN/ALoad RangeF (12 Ply)

SidewallBlackwallInflation Pressure25 PSIPart NumberK980018R1HDTire Weight41 lbsThree-Peak Mountain Snowflake (3PMS)No

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K9 R1HD
8-18 F | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Range
F (12 Ply)

Sidewall
Blackwall
Inflation Pressure
25 PSI
Part Number
K980018R1HD
Tire Weight
41 lbs
Three-Peak Mountain Snowflake (3PMS)
No

Did you find what
you were looking for?