If you’re searching for a reliable B78-13ST trailer tire equivalent, you want tires and rims that match load, size, and bolt pattern while delivering steady performance. This guide profiles five solid choices that fit a 13-inch, 5-lug trailer setup and are suitable for boat, utility, and camper trailers. Each option is explained with who it’s best for, why it’s chosen, and any notable limits. Use the quick product table below to compare at a glance.
| Product | Rim/Type | Load | Best For | Notes |
|---|---|---|---|---|
| eCustomrim 2-Pack White Wheel | 13×4.5″ 5×4.5″ 3.19″ center bore | Load Range C (1360 lbs per tire) | Heavy utility or boat trailers needing dependable bias-ply | DOT-approved; roadside assist; 2-year warranty |
| eCustomrim 2-Pack Black Wheel | 13×4.5″ 5×4.5″ 3.19″ center bore | Load Range C (1360 lbs per tire) | Budget-friendly trailers seeking solid bias-ply setup | DOT-approved; roadside assist; 2-year warranty |
| Free Country 8-Ply Wheel Set | Silver Spoke, 5×4.5″ PCD | Load Range D (96 load index; 8-ply) | Long mileage trailers on rough roads | 75 mph max; durable 8-ply construction |
| KORVYAL 6-Ply Wheel Set | White 5×4.5″ PCD | 1360 lbs per tire | Popular all-purpose trailer needs quick replacement | Ready-to-mount; easy installation |
| eCustomrim 2-Pack Radial Wheel Set | Radial tire, 13×4.5″ 5×4.5″ | Load Range C (1360 lbs per tire) | Radial-based stability for smoother tow | 6-year warranty; roadside assist |
eCustomrim 2-Pack White Wheel Assembly
Product Overview: This bias-ply trailer tire and 13×4.5″ white spoke wheel combo is designed for stability with a Load Range C rating of 1360 lbs per tire and a 50 PSI maximum. The center bore is 3.19″, and the five-lug bolt pattern ensures compatibility with common trailer hubs. The kit is DOT-approved and includes a two-year warranty with roadside assistance. Best for: utility, cargo, and light boat trailers that prioritize a proven bias-ply setup with straightforward mounting. Limitation: ties to bias-ply performance, which may not match radial tires on all road conditions.
Who it’s best for: trailer operators seeking a ready-to-use, DOT-approved assembly with roadside support. Why selected: the complete tire-wheel-valve stem package offers simple replacement, and the 2-year warranty provides a safety net for ongoing use.
Caution: Verify your hub’s center bore and lug pattern before purchase to ensure a slip-free fit on your trailer.
eCustomrim 2-Pack Black Wheel Assembly
Product Overview: Identical in construction to the white version, this bias-ply tire on a black 13×4.5″ rim uses a 5×4.5″ bolt pattern and a center bore of 3.19″. It’s DOT-approved, with a two-year warranty and roadside assistance. Best for: trailers where a dark, all-black aesthetic is preferred or where repainting the wheel is unnecessary. Limitation: color choice may affect visibility in low-light towing conditions.
Who it’s best for: enthusiasts needing a Uniform look with reliable bias-ply performance. Why selected: straightforward fit with standard 50 PSI, ideal for standard trailer hauling.
Caution: Check tire size and load rating to ensure compatibility with your trailer’s weight distribution and hub design.
Free Country 8-Ply Trailer Wheel Set
Product Overview: An 8-ply, load-range D tire setup rated for higher durability and longer mileage, with a 96 load index and a maximum speed of 75 mph. The set uses a 5-lug 4.5″ bolt pattern with a silver spoke wheel. Best for: heavier loads, rough roads, and users who need a longer service life between replacements. Limitation: higher weight and stiffness may be less forgiving on very soft or uneven terrains.
Who it’s best for: campers and utility trailers that frequently haul heavier gear over long distances. Why selected: the 8-ply construction offers extra puncture resistance and endurance for demanding towing scenarios.
Caution: Verify hub compatibility and ensure you’re not exceeding the trailer’s intended load capacity.
KORVYAL 6-Ply Wheel Set
Product Overview: A ready-to-mount 13-inch wheel with a 5-lug 4.5″ bolt pattern and a center bore of 3.99″ for compatible axles. The 6-ply tire construction emphasizes durability for rough roads and longer hauls, with a 1360 lbs per tire load rating. Best for: quick replacements and straightforward upgrades for boat, utility, or camper trailers. Limitation: it’s essential to confirm the exact hub bore and bolt pattern before ordering.
Who it’s best for: buyers seeking convenient, install-ready wheel assemblies. Why selected: the kit’s all-in-one design reduces installation time and aligns with common trailer configurations.
Caution: Confirm your hub bore size to avoid mounting issues or misalignment during installation.
eCustomrim Single White Wheel Assembly
Product Overview: A single bias-ply tire with a 24.4″ overall diameter and Load Range C, rated for 1360 lbs and 50 PSI. The rim is 13×4.5″ with a 3.19″ center bore and a 5-lug pattern, and the assembly is DOT-approved with roadside assistance for two years. Best for: individual replacements or adding a spare to a trailer. Limitation: sold as a single wheel rather than a set, which may require purchasing a second unit for a full axle pair.
Who it’s best for: owners who need a single upgrade or a spare for a trailer that uses B78-13 style tires. Why selected: consistent sizing and the same center bore pattern reduce confusion during replacement.
Caution: Ensure you order the correct quantity to match your trailer’s axle configuration.
Buying Guide: How To Choose The Right B78-13 Trailer Tire Equivalent
- Load rating and tire type: Decide between bias-ply and radial tires. Radial tires offer improved stability and tread life on longer hauls, while bias-ply tires can be simpler and adequate for light-duty to moderate towing.
- Wheel compatibility: Confirm the wheel diameter (13″), bolt pattern (5×4.5″), and center bore (around 3.19″) match your trailer hub to avoid mounting issues.
- Durability vs. weight: 6-ply or 8-ply tires provide more puncture resistance and longer life but can be heavier. Weigh the trailer’s typical loads and road conditions when choosing.
- Warranty and support: A two-year or longer warranty with roadside assistance adds value for frequent travelers and long trips.
- Installation readiness: DOT-approved assemblies with pre-mounted tires and valve stems save time and reduce installation errors.
FAQ
- What is a B78-13ST tire equivalent?
It’s a tire size and load-range pairing designed to fit 13-inch rims with a 5-lug bolt pattern, suitable for trailer use with similar overall diameter and load capacity as B78-13ST. - Are radial tires better than bias-ply for trailers?
Radials generally offer better stability and longer tread life on highways, but bias-ply tires can be adequate for light duty or stop-and-go use. - What should I check before buying a trailer wheel assembly?
Confirm the bolt pattern, center bore, overall tire diameter, load rating, and hub compatibility with your trailer axle. - Do these assemblies come with installation support?
Many listed options are DOT-approved with roadside assistance and warranties, which provide additional peace of mind during installation and use. - Why consider a 6-ply or 8-ply wheel set?
Higher ply counts improve puncture resistance and load handling for tougher towing conditions or heavier trailers.