US petitioners

Coalition of American Vertical Engine Producers

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Last updated Jul 9, 2026

Stories

US keeps antidumping duties on Chinese lawn mower engines

Rule Changes

As of July 2026: Order renewed in their favor

The engine that spins the blade under most American riding mowers is a vertical shaft engine. Since 2021, Chinese-made versions have carried US duties that in some cases more than quadrupled their price. On May 28, 2026, the Commerce Department decided those duties stay.

Updated Jul 9