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Air-Cooled Honda GX390 Engine from Mexico

The Honda GX390 is a 389cc air-cooled, 4-stroke, overhead valve spark-ignition engine designed for installation in agricultural machinery like lawn mowers and tillers. It falls under HTS 8407.90.1060 as an air-cooled engine specifically for agricultural or horticultural equipment, not exceeding 373.99 kW output. Its horizontal shaft configuration and reliable cooling system make it ideal for outdoor power tools.

Duty Rate — Mexico → United States

15%

Rate breakdown

9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Verify engine power output does not exceed 373.99 kW via manufacturer specs to confirm HTS 8407.90.1060 eligibility

Provide documentation proving intended installation in agricultural/horticultural machinery, such as buyer contracts or equipment blueprints

Ensure EPA/CARB emission labels are affixed and certifications match import country standards to prevent customs holds