A strong 225/75R15 trailer tire delivers the correct trailer-only fit, suitable load capacity, and construction matched to how you tow. This roundup suits owners replacing worn tires on utility trailers, RVs, and other compatible trailers using 15-inch rims. The selection includes 10-ply and 12-ply options, heavier 14-ply designs, radial construction, steel-belted models, and sets of two or four.
Listed capacities range from 2,540 pounds for the Carlisle to 3,420 pounds for the Libra Trailer Parts tire, while the Nebula lists 3,417 pounds. Before ordering, match the exact ST225/75R15 size, confirm the trailer’s required load range, check whether you need individual tires or a set, and verify that the rim and clearance are compatible.
For everyday 225/75R15 trailer use, choose a radial ST tire with a capacity that meets or exceeds the trailer’s requirement and a 15-inch rim fit. The Free Country, Grand Ride, Transeagle, and ROCKMAN options list 10-ply construction and capacities around 2,830 pounds. For heavier demands, the Nebula and Libra Trailer Parts options list 14-ply construction and capacities of 3,417 and 3,420 pounds.
Carlisle lists 2,540 pounds, while Ironman emphasizes radial ride and heat-dissipation characteristics.
ST225/75R15 Trailer Tires Compared
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from Free Country, Transeagle, HORSESHOE, Grand Ride, ROCKMAN, Nebula, Libra Trailer Parts, Carlisle, and Ironman.
The shortlist includes products such as Free Country Grand Ride Set 4 Trailer Tires ST225/75R15 10 Ply Load Range E Steel Belted, Transeagle ST II ST225/75R15 117/112N All Season E (10 Ply) Tire, and HORSESHOE LIPIZZAN 2 New ST225/75R15 12-Ply ST-KING II Steel Belted Radial LRF Super. Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best 225 75R15 Trailer Tires
1. Free Country Grand Ride Set 4 Trailer Tires ST225/75R15 10 Ply Load Range E Steel Belted Radial w/Featured Scuff Guard

Best for: Trailer tire with sidewall protection.
The Free Country Grand Ride features a steel belted radial construction for durability. Its unique Scuff Guard adds extra protection to the sidewall and rim, which helps to extend the overall life of the tire and provides peace of mind on your journeys.
This ST225/75R15 tire boasts a 10-ply rating and a load capacity of 2830 pounds, suitable for various trailer applications. The steel belted radial design enhances performance and longevity. The integrated Scuff Guard feature is specifically designed to protect the sidewall and rim areas from potential damage, contributing to a longer service life.
Product Details
| Brand | Free Country |
|---|---|
| Item Dimensions | 28 x 16 x 28 inches |
| Item Weight | 28.8 pounds |
| Load Capacity | 2830 pounds |
| Manufacturer | WINDA |
| Part Number | ST225/75R15GR10 |
| Model Number | D207 |
Additional Product Information
| Rim Size | 15 inches |
|---|---|
| Size | 225/75R15 10PR |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- Steel belted radial construction
- Featured Scuff Guard for sidewall and rim protection
- 10 Ply Load Range E
- Load capacity of 2830 pounds
Cons
- Always ask for tread depth before buying.
Ideal for trailer owners seeking enhanced sidewall and rim protection. Ensure you confirm the tread depth before purchase to match your specific needs for longevity.
2. Transeagle ST II ST225/75R15 117/112N All Season E (10 Ply) Tire

Best for: All-season trailer tire.
The Transeagle ST II offers a robust 10-ply construction, ensuring durability for demanding trailer applications. It is engineered to provide excellent handling and traction across various conditions, making it a reliable choice for your towing needs.
This ST225/75R15 tire features a 10-ply rating and a load capacity of 2833 pounds, suitable for heavy-duty use. Its all-season design aims to deliver consistent performance in dry, wet, and light winter conditions. The tire is manufactured to offer durability and reliable handling for commercial and trailer use.
Product Details
| Brand | Transeagle |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 27 x 27 x 8 inches |
| Item Weight | 28 pounds |
| Load Capacity | 2833 pounds |
| Manufacturer | Transeagle |
| Part Number | TSL10N |
Additional Product Information
| Manufacturer Warranty Description | No |
|---|---|
| Model Number | TSL10N |
| Rim Size | 15 inches |
| Size | 225/75R15 |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- 10 Ply rating for durability
- Load capacity of 2833 pounds
- All-season performance
- Designed for handling and traction
Cons
- No manufacturer warranty description provided.
A solid option for commercial and trailer use requiring durability and consistent handling. Consider this tire if a manufacturer warranty is not a primary concern for your application.
3. HORSESHOE LIPIZZAN 2 New ST225/75R15 12-Ply ST-KING II Steel Belted Radial LRF Super Heavy Duty Premium Trailer Tires w/Featured Rim-Guard-Wall M 81mph BSW All Terrain All Season (ST 225/75R15 12PR)

Best for: Super heavy-duty trailer tire.
The HORSESHOE LIPIZZAN ST-KING II is a super heavy-duty trailer tire featuring a 12-ply rating for exceptional load-bearing capabilities. Its steel belted radial construction ensures robust performance and longevity for demanding trailer applications.
This ST 225/75R15 tire offers a 12-ply rating and a load capacity of 1400 kg, making it suitable for super heavy-duty applications. It features a Rim-Guard-Wall for added protection and is designed for all-terrain and all-season use. The steel belted radial construction enhances its durability and performance.
Product Details
| Brand | HORSESHOE |
|---|---|
| Included Components | Tires Only, Rim/Wheel Not Included |
| Load Capacity | 1400 kg |
| Manufacturer | HORSESHOE TIRE GROUP |
| Part Number | ST-KING II |
| Manufacturer Warranty Description | 2 Year Manufacturer Warranty |
| Model Number | LIPIZZAN ST KING II |
Additional Product Information
| Rim Size | 15 inches |
|---|---|
| Size | ST 225/75R15 12PR |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- 12-Ply rating for super heavy-duty use
- Load capacity of 1400 kg
- Steel belted radial construction
- Featured Rim-Guard-Wall protection
Cons
- Rim/wheel not included.
Best for users needing a super heavy-duty trailer tire with high load capacity. Ensure you have compatible rims, as they are not included with this tire purchase.
4. FREE COUNTRY Trailer Tire ST225/75R15 Radial 10PR LR E 117N w/Scuff Guard

Best for: Trailer tire with scuff guard.
The Grand Ride trailer tire offers a 10-ply rating and Load Range E, designed for robust trailer applications. Its radial construction provides a balance of performance and durability for your towing needs.
This ST225/75R15 tire features a 10-ply rating and a load capacity of 2830 pounds, suitable for many trailer types. The integrated Scuff Guard is designed to offer additional protection to the tire's sidewall and rim. It is specifically intended for use as a replacement trailer tire.
Product Details
| Brand | Grand Ride |
|---|---|
| Item Dimensions | 28 x 8 x 28 inches |
| Item Weight | 28.8 pounds |
| Load Capacity | 2830 pounds |
| Part Number | 11017-1 |
| Model Number | D207 |
| Rim Size | 15 inches |
Additional Product Information
| Size | 225/75R15 |
|---|---|
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
| Additional Information | Important information |
Pros
- 10 Ply rating, Load Range E
- Load capacity of 2830 pounds
- Radial construction
- Features Scuff Guard for protection
Cons
- Designed for trailer use only.
A reliable choice for trailer owners seeking a durable tire with added sidewall protection. This tire is specifically engineered for trailer use, so confirm it's a suitable replacement.
5. HORSESHOE LIPIZZAN 4 New ST225/75R15 12PR ST-KING II Steel Belted Radial LRF Super Heavy Duty Premium Trailer Tires w/Featured Rim-Guard-Wall 120/115M 81mph BSW 225 7515 A/T A/S (4, ST 225/75R15 12PR)

Best for: Premium heavy-duty trailer tire.
The HORSESHOE LIPIZZAN ST-KING II is a premium, super heavy-duty trailer tire with a 12-ply rating, designed for superior load-carrying capacity. Its steel belted radial construction ensures enhanced durability and performance for demanding trailers.
This ST 225/75R15 tire offers a 12-ply rating and a load capacity of 1400 kg, making it ideal for super heavy-duty applications. It includes a Rim-Guard-Wall for added protection and is suitable for all-terrain and all-season use. The steel belted radial build contributes to its robustness.
Product Details
| Brand | HORSESHOE |
|---|---|
| Included Components | Tires Only, Rim Not Included |
| Load Capacity | 1400 kg |
| Manufacturer | HORSESHOE TIRE GROUP |
| Part Number | ST-KING II |
| Manufacturer Warranty Description | 2 Year Manufacturer Warranty |
| Model Number | LIPIZZAN ST KING II |
Additional Product Information
| Rim Size | 15 inches |
|---|---|
| Size | ST 225/75R15 12PR |
| Vehicle Tire ISO Metric Size Description | ST225/75R15 |
Pros
- 12-Ply rating for heavy-duty use
- Load capacity of 1400 kg
- Steel belted radial construction
- Features Rim-Guard-Wall
Cons
- Rims are not included.
Recommended for users requiring a premium, super heavy-duty trailer tire with a high load capacity. Ensure you have separate rims, as they are not provided with this tire.
6. ROCKMAN Trailer Tire ST225/75R15 10-Ply LR E 117M Steel Belted Radial, Set2

Best for: Steel belted radial trailer tire.
The ROCKMAN trailer tire features a steel belted radial construction for enhanced durability and performance. With a 10-ply rating and Load Range E, it is engineered to handle demanding trailer applications reliably.
This ST225/75R15 tire offers a 10-ply rating and a load capacity of 2830 pounds, suitable for various trailer needs. The steel belted radial design contributes to its strength and longevity. This set of two tires is designed for trailer use, providing a dependable option for towing.
Product Details
| Brand | ROCKMAN |
|---|---|
| Item Dimensions | 28 x 8 x 28 inches |
| Item Weight | 57.6 pounds |
| Load Capacity | 2830 pounds |
| Manufacturer | ROCKMAN |
| Part Number | ST225/75R15 |
| Rim Size | 15 inches |
Additional Product Information
| Size | ST225/75R15 |
|---|---|
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- Steel belted radial construction
- 10-Ply rating, Load Range E
- Load capacity of 2830 pounds
- Comes as a set of two
Cons
- Item weight indicates a pair, not single tires.
A good choice for trailer owners needing a durable, steel-belted radial tire set. Confirm the quantity needed, as this listing provides a set of two tires.
7. 4 x Nebula Grand Trailer-N’ 007 ST225/75R15 All Season G (14 Ply) Tires

Best for: All-season trailer tire.
The Nebula Grand Trailer-N' 007 is an all-season highway terrain tire designed specifically for trailers. Its advanced compound and tread pattern work together to provide reliable performance in various weather conditions.
This ST225/75R15 tire features a 14-ply rating and a substantial load capacity of 3417 pounds, making it suitable for heavy-duty trailer applications. The all-season design ensures consistent performance in dry, wet, and winter conditions. It is intended for trailer use only and not for light trucks.
Product Details
| Brand | Nebula |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 27 x 27 x 8 inches |
| Item Weight | 176 pounds |
| Load Capacity | 3417 pounds |
| Manufacturer | Nebula |
| Part Number | NBST90787-TH |
Additional Product Information
| Model Number | NBST90787-TH |
|---|---|
| Rim Size | 15 inches |
| Size | 225/75R15 |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- 14-Ply rating for heavy loads
- Load capacity of 3417 pounds
- All-season performance
- Designed for highway terrain
Cons
- Not meant to be mounted on light trucks.
Ideal for heavy-duty trailer applications requiring all-season capability. Ensure this tire is exclusively used on trailers, as it is not designed for light truck mounting.
8. Set 4 Heavy Duty All Steel Trailer Tires 225/75R15 14 Ply 124/121M 11150

Best for: Heavy-duty all-steel trailer tire.
This heavy-duty all-steel trailer tire features a 14-ply rating and Load Range G, offering a significant load capacity of 3420 lbs. It is engineered for robust performance on large, heavy RVs or trailers.
With a 14-ply rating and a load capacity of 3420 pounds, this tire is built for substantial weight. The all-steel construction enhances its durability and resilience for heavy-duty trailer use. It is designed specifically for trailer applications and is sold to trailer manufacturers, indicating its suitability for demanding roles.
Product Details
| Brand | Libra Trailer Parts |
|---|---|
| Item Dimensions | 29 x 9 x 29 inches |
| Item Weight | 38 pounds |
| Load Capacity | 3420 pounds |
| Manufacturer | Libra Trailer Parts |
| Part Number | 225/75R15 |
| Model Number | GM500 |
Additional Product Information
| Rim Size | 15 inches |
|---|---|
| Size | 225/75R15-14PR |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- Heavy duty ALL STEEL construction
- 14 Ply Rated, Load Range G
- Load capacity of 3420 lbs
- Great for big heavy RV or trailers
Cons
- Rims are not included.
Best for owners of large, heavy RVs or trailers needing maximum load support. This tire is exclusively for trailer use, and you will need to provide your own rims.
9. Carlisle Radial Trail HD Trailer Radial Tire – 225/75R15 113M (MAX PSI:65)

Best for: High-speed trailer radial tire.
The Carlisle Radial Trail HD is a leading radial trailer tire designed for safety and protection. It offers improved tread wear and greater heat resistance, contributing to a more reliable and durable towing experience.
This ST225/75R15 tire features a Load Range D and a load capacity of 2540 pounds, suitable for various trailer applications. Its radial construction is engineered for high-speed stability and heat resistance, enhancing safety during long-distance towing. The design focuses on improved tread wear for extended tire life.
Product Details
| Brand | Carlisle |
|---|---|
| Included Components | Tire |
| Item Dimensions | 28.3 x 28.3 x 9 inches |
| Item Weight | 25 pounds |
| Load Capacity | 2540 pounds |
| Manufacturer | The Carlstar Group |
| Part Number | 6H04611 |
Additional Product Information
| Manufacturer Warranty Description | No Warranty |
|---|---|
| Model Number | 6H04611 |
| Rim Size | 15 inches |
| Size | ST225/75R15 D |
| Vehicle Tire ISO Metric Size Description | ST225/75R15 TL 8 113M |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Pros
- High-speed trailer tire
- Improved tread wear
- Greater heat resistance
- Radial construction
Cons
- No warranty information provided.
An excellent choice for trailer owners prioritizing safety and longevity on high-speed journeys. Consider this tire if a manufacturer warranty is not a critical requirement for your purchase.
10. Ironman STR ST225/75R15 E/10PLY

Best for: Smooth ride trailer tire.
The Ironman STR is a specialized trailer radial tire engineered for a smooth ride, even wear, and improved fuel economy. Its radial ply construction enhances heat dissipation compared to traditional bias-ply tires.
This ST225/75R15 tire is designed with radial plies to provide a smoother towing experience and better heat dissipation, which can contribute to improved fuel economy. Its specialized tread design and radial construction are engineered for high-speed stability and long-distance towing, making it suitable for a wide range of trailer applications.
Product Details
| Brand | Ironman |
|---|---|
| Included Components | Tire only |
| Item Dimensions | 27 x 27 x 8 inches |
| Item Weight | 33.6 pounds |
| Manufacturer | Ironman |
| Part Number | 98936 |
| Model Number | 98936 |
Additional Product Information
| Rim Size | 15 inches |
|---|---|
| Size | 225/75R15 |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Pros
- Engineered for a smoother ride
- Better heat dissipation
- Improved fuel economy potential
- Designed for high-speed stability
Cons
- Specific load capacity not detailed in title/features.
Ideal for trailer owners seeking a smoother ride and enhanced stability during long-distance towing. Verify the specific load capacity to ensure it meets your trailer's requirements.
What Buyers Often Overlook
How do load range and construction affect 225/75R15 trailer fit?
Match the tire’s load range and listed capacity to the trailer’s required load before comparing tread features. The data includes 10-ply Load Range E choices such as Free Country, Grand Ride, Transeagle, and ROCKMAN, with listed capacities near 2,830 pounds. The HORSESHOE options use 12-ply construction and list 1,400 kg, while the Nebula and Libra Trailer Parts products use 14-ply or Load Range G designs and list 3,417 and 3,420 pounds.
Those figures provide useful comparison points, but the product data does not state whether every capacity is presented per tire or for a complete set, so confirm the manufacturer’s rating and your trailer axle requirements before purchase. Radial construction appears across several listings and is associated in the supplied data with smoother ride, heat dissipation, even wear, or highway stability, but those attributes do not replace correct load matching.
The Key Product Trade-Off
What compatibility details matter beyond the 225/75R15 size?
A 225/75R15 label is only one part of trailer-tire compatibility: verify the ST designation, 15-inch rim size, load rating, physical clearance, and whether the listing includes tires only or a set. Several products explicitly identify themselves as trailer tires, and the Nebula description warns that its tire is not meant for light trucks. The Carlisle listing identifies an ST225/75R15 D tire, while other choices specify 10-, 12-, or 14-ply construction.
Package contents also vary: Free Country and HORSESHOE offer sets, ROCKMAN is a set of two, and several listings describe a tire only or tires only; rims are not included with the HORSESHOE and Libra Trailer Parts products. Sidewall protection is a differentiator in the Free Country and Grand Ride listings through Scuff Guard, while HORSESHOE highlights a Rim-Guard-Wall.
Check tread depth before buying where applicable, as the Free Country data specifically advises asking about it.
Best 225 75R15 Trailer Tires: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose a 10-ply option when your trailer’s required rating aligns with the approximately 2,830-pound capacities listed for Free Country, Grand Ride, Transeagle, or ROCKMAN. Select a 14-ply model when the application calls for the higher listed capacities of the Nebula or Libra Trailer Parts tires, provided the trailer and wheel fit are confirmed. Consider HORSESHOE’s 12-ply tires if its 1,400 kg listing and rim-guard feature match your requirements.
For a lower listed capacity among this group, Carlisle lists 2,540 pounds and a 65-psi maximum. Choose Ironman if its stated radial benefits, including smoother ride and heat dissipation, fit your towing priorities.
Confirm quantity, rim inclusion, ST fit, and clearance before ordering.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
What does ST mean on a trailer tire?
ST on a trailer tire stands for Special Trailer. This designation indicates the tire is specifically engineered for trailer use, featuring stiffer sidewalls and a higher load capacity compared to standard passenger vehicle tires.
What is the difference between Load Range E and Load Range G?
Load Range E typically indicates a 10-ply rating, while Load Range G signifies a higher ply count, often 14-ply. This means Load Range G tires offer a significantly increased load capacity for heavier trailers and heavier cargo.
Are steel-belted radial tires better for trailers?
Yes, steel-belted radial tires generally offer superior durability, puncture resistance, and heat dissipation compared to bias-ply tires. This makes them a better choice for the demanding conditions trailer tires often face.
What is the importance of a scuff guard or rim guard?
A scuff guard or rim guard is a rubber strip along the tire’s sidewall, near the rim. It helps protect the sidewall from damage caused by curbs, debris, or accidental contact with the trailer frame.
How do I know if ST225/75R15 is the correct tire size?
ST225/75R15 indicates the tire’s specifications: ST for Special Trailer, 225mm width, 75% aspect ratio (sidewall height to width), and 15-inch rim diameter. Always check your trailer’s placard or current tire sidewall for the exact size.
Final Words
Selecting the right ST225/75R15 trailer tire depends on your specific needs, prioritizing load capacity and durability. For heavy-duty applications, tires with higher ply ratings like 12-ply or 14-ply are recommended. Consider features like steel belts and scuff guards for enhanced longevity and protection on the road.