When selecting 175/80R13 trailer tires, durability, load capacity, and sidewall protection matter most. This guide highlights five near-ideal options for boat trailers, tailored to different towing needs. The best fits include premium tire assemblies, all-season highway tires, and wheels with built-in roadside support. Each choice targets a specific buyer—from casual boaters needing reliable, long-lasting tires to frequent travelers who want extra rim protection and roadside help.
Summary table of selected products (quick reference):
| Product | Best For | Key Benefit | Limitations |
|---|---|---|---|
| Free Country GRAND RIDE Set 2 | Casual towing with added protection | Scuff Guard and full nylon cap ply for durability | Premium price tier |
| Transeagle ST Radial II Premium | All-season highway use | Premium build with 8-ply, 97/93L rating | Limited data on tread life |
| Transeagle ST Radial II (second listing) | Highway reliability | All-season performance | Basic features listed |
| eCustomrim 2-Pack Rims Tire Set | Complete wheel assemblies | Load capacity and roadside assistance included | Wheel-inclusive solution; heavier |
| eCustomrim 2-Pack Radial Tire Rim | Durable wheel-tire pairing | Six-year warranty with roadside | Wheels required; possibly heavier |
Free Country GRAND RIDE Set 2 Premium Trailer Tires ST175/80R13

Best for: Boat trailer owners seeking enhanced side-wall protection and a robust build. This set includes a full nylon cap ply across the tread and a scuff guard for rim and sidewall safety. The design aims to reduce damage from curb impacts and rough launches, which are common around boat ramps.
Why selected: The combination of a full-cap ply overlay and a dedicated scuff-guard ring provides extra durability beyond typical trailer tires. The ST175/80R13 sizing is standard for older and many newer boat trailers, enabling broad compatibility.
Limitations: The premium build may come at a higher price, and tread-life specifics are not always listed for all markets. Best for owners who prioritize protection over low upfront cost.
Transeagle ST Radial II Premium Trailer Radial Tires

Best for: Towing across varied highway segments where predictable all-season performance matters. These ST175/80R13 tires are described as highway-oriented, suited for regular trailer use and longer trips with stable load handling.
Why selected: The 8-ply load range D structure offers solid strength for boat-trailer duties, balancing rigidity with reasonable weight. They provide a straightforward, all-season option for consistent on-road performance.
Limitations: Treadlife data is not specified in the listing, so owners should monitor wear and replace proactively in high-mileage scenarios.
Transeagle ST Radial II Premium Trailer Radial Tire (Second Listing)

Best for: Drivers prioritizing highway reliability with a straightforward, no-frills tire option for boat trailers. This listing emphasizes all-season performance for routine road use.
Why selected: It shares a similar 175/80R13 footprint and 8-ply construction, providing dependable road manners for trailers pulled over longer distances. A good fit for those who want a cost-effective all-season option.
Limitations: Like the other Transeagle listing, specific tread-life longevity data is not provided, so plan for standard replacement intervals rather than extended lifespans.
eCustomrim 2-Pack Trailer Tires Rims ST175/80D13

Best for: Boat trailers needing a combined tire and wheel package with roadside assistance. This 2-pack supports enhanced rim protection and a warranty-backed setup.
Why selected: The set specifies maximum load and tire dimensions suitable for ST175/80D13 sizing, plus a 2-year roadside warranty that can be valuable for road-averse travelers or remote launches.
Limitations: This option includes rims, so overall weight and installation requirements may be more involved. Ensure compatibility with your trailer hubs and bolt pattern.
eCustomrim 2-Pack Radial Trailer Tire Rim (6 Year Warranty)

Best for: Buyers seeking long-term assurance with a 6-year warranty and roadside support. Ideal for frequent boat trailer users who value stability and ongoing protection.
Why selected: The 6-year warranty and roadside assistance provide extended coverage beyond basic tires, aligning with buyers who want extra peace of mind on remote launches or long trips.
Limitations: This product includes wheel components; ensure that the bolt pattern and center bore match your trailer to prevent installation issues.
Buying Guide: Key Considerations for 175/80R13 Boat Trailer Tires
- Load range and ply: For boat trailers, Load Range D (8-ply) tires are common and provide robust weight handling. If you frequently tow with full loads, consider higher ply and stronger sidewalls.
- All-season highway performance: Look for tires designed for highway use with steady traction and predictable handling across varied temperatures and rain.
- Sidewall protection: A scuff guard or full-cap ply can reduce damage from ramps and curbs, especially in ramp-heavy launches.
- Wheel assemblies: If you prefer a complete wheel-tire package, ensure the 5-lug bolt pattern, center bore, and overall diameter align with your trailer hubs.
- Warranty and roadside support: Longer warranties and roadside assistance can be valuable for frequent travelers or those launching in remote areas.
How to choose between these options
- Best for protection and longevity: Free Country GRAND RIDE Set 2, due to scuff guard and full nylon cap ply.
- Best for budget-friendly highway use: Transeagle ST Radial II Premium or similar all-season options.
- Best for wheel-included setups: eCustomrim two-pack offerings with rims and roadside support.
- Best for extended warranty coverage: eCustomrim options with 6-year warranty and roadside assistance.
Practical buying checklist
- Confirm tire size: ST175/80R13 or equivalent, matching your trailer’s tags and hubs.
- Verify load rating: Ensure Load Range D (or higher) to support your boat’s weight plus trailer.
- Check compatibility: Bolt pattern, rim width, and center bore must fit your trailer axles.
- Consider protection: Scuff guards and cap plies reduce damage in typical ramp environments.
- Review warranty terms: Roadside assistance adds value for offbeat routes or early-season launches.
FAQ
- What does 175/80R13 mean for trailer tires?
It is a tire size indicating a 17.5-inch overall diameter, 80% aspect ratio, and 13-inch rim diameter, common for smaller boat trailers. - Is a higher ply rating always better for boat trailers?
Higher ply can improve load handling and sidewall strength, but it may add weight and stiffness; choose based on load and ride preference. - Should I buy tires with a rim included?
Rim-included sets save time and ensure compatibility, but verify hub fitment and wheel specs before purchasing. - How important is a warranty on trailer tires?
Warranties, especially roadside support, add value when traveling to remote launches or for seasonal storage. - What should I do if a tire shows sidewall scuffs or minor damage?
Inspect for internal bubbles or cuts. Replace damaged tires before towing to avoid blowouts.