Vehicle

Tire type

Featured

Brand

Price

Score

Deals

Maximum Load Index

Load Range

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

12.5-80r18 tires

Trac Chief I-3

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 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

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 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

38 tires available in 12.5-80r18

In Size 12.5-80r18

**Most drivers choose from our top picks**<br />They include the best matches 
                     of this tire size based on popularity, user ratings, and price.

We'll start with our 5 top picks

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Contractor T I-3

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.

Save on this  tire today.

Best deal:

Save even more.

Contractor II

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.

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

Top SimpleScore&trade;:

Chosen by our tire experts.

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

Top rated:

Best customer reviewed tire.

Super Industrial Lug R-4

Most popular among drivers in PA

Best seller:

Go with the best seller

D302

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

ENDS IN...

12.5/80R18 carlstar Tires

Vehicle

Featured

All

Price Range

SimpleScore™ Range

Maximum Load Index

Load Range

Speed Rating

Minimum Speed Rating

Carlstar Trac Chief I-3
12.50x80-18 139A8 F | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
5357 lbs (139)

Max Speed
25 MPH (A8)
Load Range
F (12 Ply)
Sidewall
Blackwall
Tread Depth
31/32nds
Inflation Pressure
55 PSI
Part Number
570121
Tire Weight
95.66 lbs
Section Width
12.5"
Rim Range
9"
Overall Diameter
38.5"

Join the SimpleCrew and get exclusive perks.

Did you find what
you were looking for?

Fastest option!

(888) 262 1105

service@simpletire.com

ENDS IN...

12.5/80R18 carlstar Tires

Carlstar Trac Chief I-312.50x80-18 139A8 F | In stock

VehicleFarm & AgriculturalMileage WarrantyN/ALoad Index5357 lbs (139)

Max Speed25 MPH (A8) Load RangeF (12 Ply) SidewallBlackwall Tread Depth31/32nds Inflation Pressure55 PSI Part Number570121 Tire Weight95.66 lbs Section Width12.5" Rim Range9" Overall Diameter38.5"

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

Carlstar Trac Chief I-3
12.50x80-18 139A8 F | In stock

Vehicle
Farm & Agricultural
Mileage Warranty
N/A
Load Index
5357 lbs (139)

Max Speed
25 MPH (A8)
Load Range
F (12 Ply)
Sidewall
Blackwall
Tread Depth
31/32nds
Inflation Pressure
55 PSI
Part Number
570121
Tire Weight
95.66 lbs
Section Width
12.5"
Rim Range
9"
Overall Diameter
38.5"

Did you find what
you were looking for?