Vehicle

Tire type

Featured

Brand

Price

Score

Deals

Maximum Load Index

Load

Minimum Speed Rating

Speed Rating

Popular Filters

Sidewall types

Run flat

Studded/Studdable

Three-Peak Mountain Snowflake

More filters

Low to High

High to Low

340-80r18 tires

Radial Duraforce AT-R R-4

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

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

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tire Weight

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

Overall Diameter

(550) Multipurpose

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

Tread Design

9 tires available in 340-80r18

In Size 340-80r18

Most popular among drivers in PA

Best seller:

Go with the best seller

Multi Use 550

Off-the-road (OTR) tires are built for vehicles like skid steer loaders, cranes, construction dump trucks, graders and other heavy-duty construction and industrial vehicles. OTR tires are incredibly tough and able to carry massive loads on soft or rough surfaces without sinking in.

Save on this  tire today.

Best deal:

Save even more.

Consistently rated as excellent by experts with the highest SimpleScore among the top 5 tires.

Top SimpleScore&trade;:

Chosen by our tire experts.

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

R-4C

Built for use on industrial applications such as skid steer loaders, forklifts, mining equipment, and so on. Industrial tires are strong enough to carry their vehicle's weight, and tough enough to withstand heavy usage and damage from off-road debris.

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.

Filter By

ENDS IN...

340/80R18 farm Tires

Featured

All

Vehicle

Price Range

Firestone Radial Duraforce AT-R R-4
340/80R18 143B | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
31 MPH (B)
Sidewall
Tubeless
Tread Depth
38/32nds
Part Number
375975
Tire Weight
129 lbs
Overall Diameter
39.4"

Join the SimpleCrew and get exclusive perks.

Alliance (550) Multipurpose
340/80R18 143A8 | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
25 MPH (A8)
Sidewall
Tubeless
Part Number
55010460
Tread Design
Symmetrical
Tire Weight
134.94 lbs
Overall Diameter
39.4"

Did you find what
you were looking for?

Filter By

ENDS IN...

340/80R18 farm Tires

Firestone Radial Duraforce AT-R R-4340/80R18 143B | In stock

VehicleFarm & AgriculturalMileage WarrantyN/ALoad Index6008 lbs (143)

Max Speed31 MPH (B)SidewallTubelessTread Depth38/32ndsPart Number375975Tire Weight129 lbsOverall Diameter39.4"

Join the SimpleCrew and get exclusive perks.

Alliance (550) Multipurpose340/80R18 143A8 | In stock

VehicleFarm & AgriculturalMileage WarrantyN/ALoad Index6008 lbs (143)

Max Speed25 MPH (A8)SidewallTubelessPart Number55010460Tread DesignSymmetricalTire Weight134.94 lbsOverall Diameter39.4"

Did you find what you were looking for?

Firestone Radial Duraforce AT-R R-4
340/80R18 143B | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
31 MPH (B)
Sidewall
Tubeless
Tread Depth
38/32nds
Part Number
375975
Tire Weight
129 lbs
Overall Diameter
39.4"

Alliance (550) Multipurpose
340/80R18 143A8 | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
25 MPH (A8)
Sidewall
Tubeless
Part Number
55010460
Tread Design
Symmetrical
Tire Weight
134.94 lbs
Overall Diameter
39.4"

Did you find what
you were looking for?