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340-80r18 tires

MIR 221

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.

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

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

7 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.

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.

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

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Ride Max IT 696 Radial Tractor

The maximum carrying capacity for a tire determined by the manufacturer  
                (Single wheel applications / Dual wheel applications).

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340/80R18 ascenso Tires

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Ascenso MIR 221
340/80R18 143A8 | In stock

Vehicle
Industrial
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
25 MPH (A8)
Sidewall
Tubeless
Inflation Pressure
58 PSI
Part Number
3002160011
Tire Weight
80 lbs
Section Width
14"
Overall Diameter
39"

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340/80R18 ascenso Tires

Ascenso MIR 221340/80R18 143A8 | In stock

VehicleIndustrialMileage WarrantyN/ALoad Index6008 lbs (143)

Max Speed25 MPH (A8)SidewallTubelessInflation Pressure58 PSIPart Number3002160011Tire Weight80 lbsSection Width14"Overall Diameter39"

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Ascenso MIR 221
340/80R18 143A8 | In stock

Vehicle
Industrial
Mileage Warranty
N/A
Load Index
6008 lbs (143)

Max Speed
25 MPH (A8)
Sidewall
Tubeless
Inflation Pressure
58 PSI
Part Number
3002160011
Tire Weight
80 lbs
Section Width
14"
Overall Diameter
39"

Did you find what
you were looking for?