Looking for 13 inch boat trailer tires that deliver dependable support on the road or ramp? This article highlights five top 13 inch options, focusing on tire-and-rim assemblies designed for utility trailers. Each selection is chosen for a specific use case—bias ply or radial construction, load ranges, and rim compatibility—so you can pick the best match for your trailer and load. Suitable buyers include new trailer owners, those upgrading from worn tires, and anyone needing a ready-to-mount assembly with a warranty and roadside assistance.
Buyer snapshot table (quick reference):
| Product | Tire Type | Load Range | Rim Pattern | ||
|---|---|---|---|---|---|
| eCustomrim 2-Pack ST175/80D13 Bias Ply | Bias Ply | C | 5 Lug 4.5″ | 2 years | Budget trailer setups and stable towing |
| Free Country ST175/80R13 | Radial | D | 5 Lug 4.5″ | — | Better durability with scuff protection |
| eCustomrim Radial ST175/80R13 | Radial | D | 5 Lug 4.5″ | 6 years | Longer life and stronger sidewall |
| eCustomrim Bias ST175/80D13 White | Bias Ply | C | 5 Lug 4.5″ | 2 years | Classic white-wheel look |
| eCustomrim 2 Pack ST175/80D13 2 Pack | Bias Ply | C | 5 Lug 4.5″ | 2 years | Value two-pack with deep tread |
eCustomrim 2-Pack ST175/80D13 Bias Ply Trailer Tire Rim Assembly
This assembly uses a bias-ply trailer tire rated for 1360 lbs max load at 50 PSI, with a 24.4″ overall diameter and Load Range C. The 13X4.5 inch rim features a 3.19″ center bore and 5 lug on a 4.5″ bolt pattern. DOT-approved as a complete tire, wheel, and valve-stem package, it’s ready to mount with a two-year warranty and roadside assistance. Best for budget-conscious buyers seeking a dependable, ready-to-use setup for standard cargo trailers.
Who it’s best for: trailer owners on a budget who want a complete, DOT-approved assembly with roadside support. Why chosen: reliable bias-ply construction with a common 13″ rim and familiar lug pattern for many standard trailers. Caution: bias-ply tires generally wear differently than radials and may not deliver the same longevity in aggressive towing conditions.
Free Country Premium Trailer Tires ST175/80R13 8-Ply
This set features radial tires with 8-ply construction and Load Range D, plus a scuff-guard wall for rim protection. The radial design generally provides improved ride comfort, stability, and heat dissipation. The set is described as a two-tire package with a strong emphasis on shoulder and wall protection to help extend tire life on frequent trailer use.
Who it’s best for: owners seeking improved tread durability and road stability for longer trips or heavier loads. Why chosen: radial construction and scuff protection offer better resistance to curb impacts and longer wear. Caution: radial tires may differ in handling feel if you’re upgrading from bias ply sets without rechecking alignment and suspension compatibility.
eCustomrim 2-Pack Radial ST175/80R13 5 Lug Wheel Set
This radial assembly uses a 13X4.5 inch rim with a 3.19″ center bore and a 5-lug 4.5″ bolt pattern, rated for up to 1610 lbs and 65 PSI. It comes with a six-year warranty and roadside assistance. DOT-approved as a complete tire, wheel, and valve stem package, the setup emphasizes durability for heavier loads on longer trips.
Who it’s best for: trailer operators needing higher load capacity and longer warranty coverage. Why chosen: radial design paired with a long warranty period provides a strong balance of performance and protection. Caution: higher PSI requirements mean air-pressure monitoring is important to maintain optimal performance.
eCustomrim Bias ST175/80D13 White Wheel Assembly
This bias-ply tire assembly features a white 13X4.5 inch wheel with a 5-lug pattern and a 24.4″ overall diameter. The tire is rated for 1360 lbs and 50 PSI, with DOT-approved components and a two-year warranty. It provides a classic aesthetic while delivering proven performance for standard boat trailers.
Who it’s best for: buyers who want a traditional white-spoke look for their trailer and reliable bias-ply performance. Why chosen: compatibility with common 13″ rim setups and a balance of load capacity. Caution: white wheels can require more upkeep to maintain appearance compared with galvanized or black finishes.
eCustomrim 2 Pack Deep Tread Bias Trailer Tires
This 2-pack includes bias-ply tires with Load Range C, a 24.4″ diameter, and a 50 PSI rating. The design emphasizes a deep tread to maximize longevity and stability during trailer transport. A two-year warranty and roadside assistance are included with the package, creating a practical option for frequent use.
Who it’s best for: users who want deeper tread for longevity and consistent performance on mixed road surfaces. Why chosen: the combination of tread depth and standard 13″ rim compatibility supports reliable, repeatable towing. Caution: bias-ply tires can wear differently from radial tires, so expect different wear patterns over time.
eCustomrim Radial ST175/80R13 White Wheel Assembly
Radial tire assembly rated for 1360 lbs and 50 PSI with a 23.9″ overall diameter. It uses a 13X4.5 inch rim with a 3.19″ center bore and a 5-lug pattern. The package includes a DOT-approved tire, wheel, and valve stem, plus a six-year warranty and roadside assistance. The white wheel option provides a classic look with robust radial performance.
Who it’s best for: buyers seeking a longer-warranty, low-maintenance radial option with a white wheel finish. Why chosen: extended warranty and radial construction support longer service life on demanding trips. Caution: ensure compatibility with your current hub and brake configurations if relevant.
Buying Guide: 13 Inch Trailer Tires For Boat Trailers
What to consider when choosing 13″ trailer tires
- Construction: Bias ply vs radial affects ride feel, heat handling, and wear. Radial tires generally offer longer life and smoother handling.
- Load rating: Match Load Range to your trailer’s axle and expected loads. Higher ratings support heavier cargo and more demanding towing.
- Wheel compatibility: Confirm rim size (13×4.5″), center bore, and bolt pattern (5 lug on 4.5″).
- DOT approval and warranty: DOT approval ensures safety standards; longer warranties add longevity protection and roadside assistance.
- Finish and aesthetics: White, galvanized, or black wheels influence maintenance needs and trailer appearance.
- Two-pack value: For multiple-trailer setups or spares, two-pack offerings can reduce replacement time and cost.
Which setup is best for you?
For cost-conscious buyers using light loads and standard trailers, bias-ply assemblies with a two-year warranty offer straightforward reliability. If you frequently tow longer distances or carry heavier cargo, radial tire assemblies with higher load ratings and longer warranties deliver better durability and stability. When aesthetics matter, white wheels provide a classic look, while scuff-protected designs reduce rim damage in busy work environments.
Maintenance tips for 13 inch trailer tires
- Regularly check tire pressure to maintain rated PSI and even wear.
- Inspect tread depth and look for cuts or punctures before trips.
- Balance and alignment are important when upgrading tires to avoid uneven wear.
- Inspect valve stems and rims for corrosion or damage, especially in coastal environments.
FAQ
- What is Load Range C vs D? Answer: Load Range C typically supports lighter trailer loads, while D supports heavier loads and higher pressures.
- Are radial tires worth it for a small boat trailer? Answer: Yes, for longer trips and heavier loads, radial tires often offer longer life and better stability.
- Can I mix bias ply and radial tires on the same trailer? Answer: It is not recommended to mix different tire types on the same axle; use matching tires per axle.
- Do these come with mounting hardware? Answer: The listed items are complete tire, wheel, and valve-stem assemblies, ready for mounting in most standard setups.
- What should I check before buying? Answer: Confirm tire size, load rating, rim bolt pattern, and overall diameter to ensure compatibility with your trailer.
- Is a warranty important for trailer tires? Answer: A warranty provides protection against manufacturing defects and may include roadside assistance, which is helpful for trailers.