Choosing the right trailer tire starts with one critical question—should you go with a radial or a bias-ply tire? At Davis Trailer World, we stock a wide range of Power King tires to suit every trailer and hauling need. This guide breaks down the differences and highlights top Power King models so you can make an informed decision.
Radial vs. Bias-Ply: What’s the Difference and Why It Matters
Understanding the difference between radial and bias-ply tires is essential for selecting the right tire for your trailer. Both types have unique construction methods that directly affect performance, durability, and ride quality, depending on your usage needs.
Bias-ply trailer tires are constructed with multiple layers of nylon or polyester plies that crisscross diagonally from bead to bead. This design gives the tire a stiffer sidewall and a more rigid overall structure. As a result, bias-ply tires excel in off-road conditions, agricultural use, and lower-speed hauling. Their toughness helps resist punctures and sidewall damage, which is why they’re commonly found on utility, farm, and equipment trailers. However, bias-ply tires tend to generate more heat at highway speeds, which can lead to faster tread wear if used improperly.
Radial trailer tires differ significantly in construction. Their steel belts are laid perpendicular (90 degrees) to the direction of travel, allowing the tread to flex independently of the sidewalls. This results in a smoother ride, better traction, and more uniform tread wear. Radials also dissipate heat more effectively, making them the preferred choice for long-distance hauls, RVs, and cargo trailers that see frequent highway use. Although radial tires are typically more expensive up front, they often last longer and provide better fuel economy and stability at higher speeds.
In short, choose bias-ply tires if you’re driving at lower speeds on rough or unpaved roads, or need superior load-handling on work trailers. Choose radial tires if you’re towing over long distances, on highways, or want a quieter, smoother towing experience.
Power King Bias-Ply Trailer Tires
Power King Low Boy II
The Power King Low Boy II is designed for low-bed trailers that need a dependable, high-load tire. Featuring tough nylon cord construction and a low-profile stance, it’s built for stability and straight tracking on every haul.
Power King Low Boy HD II
For heavier loads, the Power King Low Boy HD II offers even more durability with a reinforced carcass, ideal for commercial trailers needing strength without sacrificing stability.
Power King Boat Trailer II LP
The Boat Trailer II LP is a great choice for marine and utility trailers. This bias tire resists weather cracking and offers dependable towing season after season.
Power King Boat Trailer GV
If you need more grip and water resistance, the Boat Trailer GV delivers with enhanced sidewall strength and better wear resistance in wet environments.
Power King Premium Trailer
Need a well-rounded option? The Premium Trailer tire balances performance and price for general-purpose hauling. It’s a workhorse tire that fits a variety of utility and cargo trailers.
Power King Radial Trailer Tires
Power King Towmax STR II
The Towmax STR II is a top-tier radial tire for highway hauling. Built with an optimized tread pattern, it improves heat dissipation and offers enhanced towing stability at high speeds.
Towmax Vanguard
The Towmax Vanguard is the latest innovation in trailer tire tech. It delivers extended tread life and robust construction, making it ideal for commercial and recreational towing.
HD Radial Trailer II
The HD Radial Trailer II is the go-to option for heavy-duty applications. Its robust sidewall and deep tread give it staying power for long-distance hauls and repeat commercial use.
Other Top Radial Brands Available
Trailer King Ultra ST
The Trailer King Ultra ST offers top-tier performance with enhanced shoulder design and rubber compounds that improve traction and tread wear.
Trailer King Ultra STR
The Ultra STR includes improved heat dispersion features for safer towing, especially on longer trips and heavy loads.
Shop Power King Tires at Davis Trailer World
Whether you’re hauling a boat, RV, farm equipment, or cargo, we have a trailer tire for every application. Davis Trailer World offers a full line of Power King trailer tires in both bias and radial construction. Visit our Trailer Tires page to browse our full selection or contact us for expert recommendations based on your trailer setup.
Contact Davis Trailer World
Phone: 1.800.693.2184
Location: 1640 Main Street, York, NY 14592
Email: sales@davistrailerworld.com
Website: DavisTrailerWorld.com
