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st225-75d15 tires

QR25-TS Trailer

These tires are intended for trailer axles only, and can withstand long miles of in-line hauling. They're not meant for steering or drive axle applications, and their design offers years of reliable service in trailer applications. Choose from favorites like Gladiator, Carlisle and Goodyear trailer tires.

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

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

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

All Steel

97 tires available in st225-75d15

In Size st225-75d15

**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

Save on this  tire today.

Best deal:

Save even more.

Radial Trail HD

Like  their name suggest, all season tires are designed to give drivers performance year-round. All-season tires often provide strong performance in dry and wet conditions, and suitable traction and grip in wintery weather.

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

Top SimpleScore&trade;:

Chosen by our tire experts.

Vantra Trailer (ST01)

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

Rim Range

Most popular among drivers in PA

Best seller:

Go with the best seller

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Karrier

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

Top rated:

Best customer reviewed tire.

Loadstar K550

2 to 4 day delivery to Feasterville-Trevose, PA

From 80.99 to 247.99

Want to dive deeper?

### Shop ST225/75D15 Tires
ST225/75D15 trailer tires are designed for light trailer service, making them ideal for boat trailers, toy haulers, campers, and livestock haulers. Unlike passenger or truck tires, trailer tires are specifically designed to handle the heavy loads, higher inflation pressures, and unique stress points that come with towing. It’s important to note: trailer tires are made exclusively for trailer use and should never be installed on passenger vehicles.

Looking for a reliable set of ST225/75D15 trailer tires? Some great options to consider include the [National Road Max ST](https://simpletire.com/brands/national-tires/road-max-st), [Carlstar Radial Trail HD](https://simpletire.com/brands/carlstar-tires/radial-trail-hd), and [Hankook Vantra Trailer (ST01)](https://simpletire.com/brands/hankook-tires/vantra-trailer-st01). These tires offer excellent value and the dependable performance your trailer demands.

No matter what kind of trailer you tow, whether it’s for work or play, SimpleTire has ST225/75D15 trailer tires that deliver the durability, traction, and value you need to tow with confidence.

ENDS IN...

st225/75d15 gladiator Tires

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Maximum Load Index

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Gladiator QR25-TS Trailer
ST225/75R15 117N E | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
2833 lbs/2469 lbs (117/112)

Max Speed
87 MPH (N)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
8/32nds
Inflation Pressure
80 PSI
Part Number
1943002253
Tread Design
Symmetrical
Tire Weight
40 lbs
Section Width
8.78"
Overall Diameter
28.31"

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Gladiator All Steel
ST225/75R15 121N F | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
3197 lbs/2910 lbs (121/118)

Max Speed
87 MPH (N)
Load Range
F (12 Ply)
Sidewall
Blackwall
Tread Depth
10/32nds
Part Number
1943102255
Tread Design
Symmetrical
Tire Weight
27 lbs

Shop ST225/75D15 Tires

Shop ST225/75D15 Tires

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ENDS IN...

st225/75d15 gladiator Tires

Gladiator QR25-TS TrailerST225/75R15 117N E | In stock

VehicleTrailerMileage WarrantyN/ALoad Index2833 lbs/2469 lbs (117/112)

Max Speed87 MPH (N) Load RangeE (10 Ply) SidewallBlackwall Tread Depth8/32nds Inflation Pressure80 PSI Part Number1943002253 Tread DesignSymmetrical Tire Weight40 lbs Section Width8.78" Overall Diameter28.31"

Join the SimpleCrew and get exclusive perks.

Gladiator All SteelST225/75R15 121N F | In stock

VehicleTrailerMileage WarrantyN/ALoad Index3197 lbs/2910 lbs (121/118)

Max Speed87 MPH (N) Load RangeF (12 Ply) SidewallBlackwall Tread Depth10/32nds Part Number1943102255 Tread DesignSymmetrical Tire Weight27 lbs