10 Best Trailer Sway Bars 2026 in the United States

The CURT 17500 TruTrack 4P is a solid choice for those needing a weight distribution hitch that also actively controls trailer sway. With a strong towing capacity of up to 10,000 pounds, it’s suitable for medium to large trailers, making it a good fit for many towing needs. It uses a spring and cam system with fixed brackets to control sway at four points, which means it works actively to keep your trailer steady rather than just resisting sway passively.

Installation and adjustment are user-friendly thanks to its tilting head and hex castle nuts, so you can fine-tune it without taking the hitch apart. The adjustable shank adds flexibility for a better fit with your vehicle setup. Durability is another strong point—the hitch is built from carbon steel with a welded head and cast parts, finished in a tough powder coat that resists rust and harsh weather. Weighing just 12 pounds, it’s not overly heavy for handling.

While the setup is designed to be straightforward, some first-time users might find the precise adjustments a bit tricky until they get the hang of it. Also, it fits a 2-inch receiver with a 2-5/16-inch ball, so ensure your towing rig matches these specs. For those seeking a dependable hitch that provides both solid weight distribution and active sway control with good durability, the CURT 17500 TruTrack 4P presents a compelling option.

The Equal-i-zer 4-point Sway Control Hitch stands out for its impressive sway control, making it a solid choice for anyone looking to enhance the stability of their trailer while towing. With a weight capacity of up to 10,000 lbs for the trailer and 1,000 lbs for tongue weight, it accommodates a wide range of trailers, including RVs, boats, and utility trailers. The integrated 4-point sway control technology is among the best available, effectively minimizing sway and improving towing safety, which is crucial for family trips or transporting valuable loads.

Installation is relatively straightforward, but may require some mechanical knowledge or experience, especially for those unfamiliar with trailer hitches. The adjustability options, including various shank lengths and the ability to work with different trailer heights, provide flexibility and cater to different towing setups. That said, the hitch's weight (102 pounds) may make it cumbersome for some users to handle during installation or adjustments.

Durability is commendable, with a powder-coated finish and alloy steel construction, ensuring it can withstand harsh conditions and heavy use. However, the hitch does not come with a ball, which is an additional purchase that potential buyers need to consider. Furthermore, while the Equal-i-zer is designed for a range of trailers, it may not fit every specific model perfectly, depending on unique configurations or aftermarket modifications.

The Equal-i-zer 4-point Sway Control Hitch is a strong choice if you tow medium to heavy trailers up to 12,000 lbs. Its unique 4-point sway control system offers one of the best protections against trailer sway, making your driving safer and more stable. This hitch also distributes the trailer's tongue weight evenly across all axles, which helps your tow vehicle maintain steady steering and braking, reducing stress while on the road.

It's built from durable alloy steel with a painted finish, giving it good resistance to wear and weather. The hitch fits most bumper-pull trailers, including RVs, horse trailers, and boats, adding to its versatility. Installation is straightforward but might require some effort to get the sway control bracket positioned correctly (27"-32" back from the coupler center). It offers some adjustability with its spring bars and shank length (12"), accommodating different trailer heights and rises/drops. One thing to keep in mind is that the ball is not included, so you'll need to purchase that separately. At just under 9 pounds, it's reasonably lightweight for a hitch of this capacity.

Many users rate it highly for performance and durability, though it may be overkill for smaller trailers or casual towing. For those seeking solid, integrated sway control combined with weight distribution in one hitch and towing trailers near the upper limits, the Equal-i-zer is a reliable option that can improve towing safety and comfort.