Equal-i-zer 4-Point Sway Control Hitch

The Equal-i-zer 4-Point Sway Control Hitch remains a top choice for RVers who want integrated sway control without bolting on separate sway bars.

4.6

HitchHaven score4.6 out of 5 · our editorial rating

Integrated 4-point sway control via dual friction trunnion arms
Weight distribution combined with sway control in one unit
No bolt-on sway brackets required for base sway control
L-pin adjustment for tension and hitch head angle
Available in multiple weight capacities (4,000–14,000 lbs GTW)
Quick-connect hook-up design for easier setup

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Overview Specs Pros & cons Full review Related

The verdict

The Equal-i-zer 4-Point Sway Control Hitch remains a top choice for RVers who want integrated sway control without bolting on separate sway bars. It delivers confident, stable towing in crosswinds and highway traffic, at the cost of a heavier setup process and a steeper initial learning curve for proper adjustment. For owners of mid-to-large travel trailers who tow regularly, it's a worthwhile long-term investment.

Spec plate

Weight Capacity Range: 4,000–14,000 lbs GTW
Construction: Powder-coated forged steel
Sway Control Type: 4-point friction trunnion arms
Hitch Ball Size: 2-5/16 inch (standard)
Shank Length Options: 8 inch to 18 inch

Pros & cons

What we like

Noticeably reduces trailer sway from wind gusts and passing trucks
Combines weight distribution and sway control, simplifying hook-up
Durable powder-coated steel construction holds up to years of towing
Adjustable tension lets you fine-tune sway resistance
Widely available replacement parts and spring bars
Works with a variety of travel trailers and tag-alongs

What to watch

Heavy components make solo hook-up and lifting difficult
Initial setup and tension adjustment has a learning curve
Higher price point than basic weight distribution-only hitches
Grease/friction material needs periodic maintenance and reapplication
Bulky to store when not towing

Full review

The Equal-i-zer 4 point sway control hitch is a weight distribution and sway control system engineered specifically for towing travel trailers and camper units safely behind a tow vehicle. Unlike basic ball-mount setups, this hitch uses a patented four-point sway control design that works continuously, meaning it does not need to disengage during turns the way many friction-based systems do. The spring bars distribute the trailer's tongue weight evenly across the tow vehicle's axles and the trailer's axles, which keeps the vehicle level, improves steering response, and reduces the strain on the rear suspension. For RV owners pulling heavier trailers over long highway stretches, this even weight distribution translates directly into more predictable handling and reduced driver fatigue.

What sets the Equal-i-zer apart in the towing accessories space is how it integrates sway control directly into the hitch head itself rather than relying on a separate add-on sway bar. The L-brackets and spring bar interaction create resistance against side-to-side trailer movement caused by crosswinds, passing semi-trucks, or sudden steering corrections, actively dampening sway before it escalates into a dangerous fishtailing situation. This built-in approach means fewer components to install, adjust, and maintain compared to older weight distribution systems that bolt on a separate friction sway control unit. Campers and RV travelers who frequently drive through open plains, mountain passes, or highways prone to gusty conditions benefit from this constant, uninterrupted stability control, since the system works whether the tow vehicle is going straight or negotiating a curve.

Installation and adjustability are also central to why this hitch is favored among seasoned RV towers. The Equal-i-zer comes in multiple weight-capacity classes, allowing owners to match the hitch precisely to their trailer's gross weight rather than over- or under-equipping their setup. Tension adjustments can be made without needing to remove the spring bars entirely, which simplifies routine fine-tuning as cargo loads shift from trip to trip. Built from heavy gauge steel with a durable powder-coat finish, the hitch is designed to withstand repeated hook-ups, rough tow routes, and long-term exposure to road grime and weather, making it a durable centerpiece for anyone serious about safe, controlled towing of their camper or travel trailer.

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