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

st225-75d15 tires

RT809

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

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

Overall Diameter

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)

102 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

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 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

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.

Filter By

ENDS IN...

st225/75d15 cargo max Tires

Featured

All

Vehicle

Price Range

Cargo Max RT809
ST225/75R15 121M E | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
3197 lbs/2833 lbs (121/117)

Max Speed
81 MPH (M)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
9/32nds
Part Number
842101
Tread Design
Symmetrical
Tire Weight
27 lbs
Overall Diameter
28.3"
Three-Peak Mountain Snowflake (3PMS)
No

Join the SimpleCrew and get exclusive perks.

Did you find what
you were looking for?

Filter By

ENDS IN...

st225/75d15 cargo max Tires

Cargo Max RT809ST225/75R15 121M E | In stock

VehicleTrailerMileage WarrantyN/ALoad Index3197 lbs/2833 lbs (121/117)

Max Speed81 MPH (M)Load RangeE (10 Ply)SidewallBlackwallTread Depth9/32ndsPart Number842101Tread DesignSymmetricalTire Weight27 lbsOverall Diameter28.3"Three-Peak Mountain Snowflake (3PMS)No

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

Cargo Max RT809
ST225/75R15 121M E | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
3197 lbs/2833 lbs (121/117)

Max Speed
81 MPH (M)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
9/32nds
Part Number
842101
Tread Design
Symmetrical
Tire Weight
27 lbs
Overall Diameter
28.3"
Three-Peak Mountain Snowflake (3PMS)
No

Did you find what
you were looking for?