Crosswinds and passing semi-trucks are two of the most common — and most unsettling — causes of trailer sway. Even experienced RV owners who are well within towing limits often report sudden instability when a gust hits or a tractor-trailer blasts past at highway speed.

And What Really Stops It

Trailer sway is one of the most common frustrations and fears among RV owners, travel trailer drivers, and tow vehicle operators — even for those who think they’re staying within recommended weight limits. You may follow payload charts, check tongue weight numbers, and balance cargo meticulously, yet still experience that unsettling push-pull sensation.