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37-12.50r18 tires

Thrasher R/T RTD01

Designed for use on light trucks and SUVs such as the Ram 1500, Ford F-150, and Chevrolet Silverado. Light Truck tires are strong enough to support a truck's heavier weight and whatever else is being hauled or towed.

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

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

21 tires available in 37-12.50r18

In Size 37-12.50r18

**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

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

Top SimpleScore&trade;:

Chosen by our tire experts.

Geolandar M/T G003

Mud Terrain tires offer drivers traction on off-road terrains such as mud, dirt, sand, gravel, and rock, and are commonly used on CUVs, SUVs, light trucks, and jeeps.

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

Rim Range

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

Top rated:

Best customer reviewed tire.

Ridge Grappler

All-terrain tires offer drivers traction on- and off-road, and are typically used by light truck and SUV drivers who want a tire that's able to climb rocks and perform on the highway.

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Razr MT-772

This product is covered by a 40,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

Most popular among drivers in PA

Best seller:

Go with the best seller

Trail Hog A/T-4

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)

Molded specifically for optional use with studs. Studs not included. Stud sizes in TSMI (Tire Stud Manufacturer Index). Studs Restricted in certain states.

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37/12.50R18 ironhead Tires

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Ironhead Thrasher R/T RTD01
37x12.50R18LT 128Q E | In stock

Vehicle
Light Truck
Mileage Warranty
N/A
Load Index
3968 lbs (128)

Max Speed
100 MPH (Q)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
18/32nds
Inflation Pressure
76 PSI
Part Number
IHRT16K
Tread Design
Asymmetrical
Tire Weight
66.61 lbs
Section Width
12.52"
Overall Diameter
36.54"

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ENDS IN...

37/12.50R18 ironhead Tires

Ironhead Thrasher R/T RTD0137x12.50R18LT 128Q E | In stock

VehicleLight TruckMileage WarrantyN/ALoad Index3968 lbs (128)

Max Speed100 MPH (Q)Load RangeE (10 Ply)SidewallBlackwallTread Depth18/32ndsInflation Pressure76 PSIPart NumberIHRT16KTread DesignAsymmetricalTire Weight66.61 lbsSection Width12.52"Overall Diameter36.54"

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

Ironhead Thrasher R/T RTD01
37x12.50R18LT 128Q E | In stock

Vehicle
Light Truck
Mileage Warranty
N/A
Load Index
3968 lbs (128)

Max Speed
100 MPH (Q)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
18/32nds
Inflation Pressure
76 PSI
Part Number
IHRT16K
Tread Design
Asymmetrical
Tire Weight
66.61 lbs
Section Width
12.52"
Overall Diameter
36.54"

Did you find what
you were looking for?