Air-Cooled Honda GX390 Engine

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8407.90.90Same rate: 35%

If intended for non-agricultural outdoor power equipment like generators

Engines for general outdoor equipment fall under a different statistical suffix, shifting from ag/hort specific provisions.

8407.34Lower: 25% vs 35%

If fuel-injected rather than carbureted

Spark-ignition engines with fuel injection >373.99kW but ≤746.99kW use a separate heading based on fuel delivery system.

8433.60.00Same rate: 35%

If imported already assembled into complete mower or tiller

Fully assembled agricultural machinery with integral engine classifies under harvesting/threshing machines, not separate engines.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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

Related Products under HTS 8407.90.10.60

Briggs & Stratton 450 Series Air-Cooled Engine

Briggs & Stratton 450E Series is a compact 99cc air-cooled OHV engine for horticultural tools like string trimmers and edgers. Classified under HTS 8407.90.1060 for its air-cooling system and designation for agricultural/horticultural installation. Delivers reliable power under demanding field conditions.

Kohler XT6.5 Air-Cooled Command PRO Engine

Kohler XT6.5 is a 164cc air-cooled, 4-cycle engine with electronic ignition for agricultural sprayers and aerators. HTS 8407.90.1060 applies due to air-cooling and specific use in horticultural equipment under 373.99 kW. Features durable construction for season-long performance.

Subaru EA190V Air-Cooled Engine

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Lifan LF160F-BQ Air-Cooled Gasoline Engine

Lifan LF160F-BQ 4.8HP air-cooled 4-stroke engine for tillers and brush cutters in horticulture. HTS 8407.90.1060 classification reflects air-cooling and ag/hort machinery installation purpose with output well below limit. Budget-friendly with cast iron cylinder for durability.

Yamaha MZ300 Air-Cooled Engine

Yamaha MZ300 25.7cc air-cooled 2-stroke engine for professional horticultural string trimmers. Under HTS 8407.90.1060 as specialized air-cooled powerhead for agricultural machinery. Lightweight design with high RPM capability.

Rato 170F Air-Cooled Diesel-Alternative Gasoline Engine

Rato 170F 7HP air-cooled OHV engine mimicking diesel reliability for farm carts and generators. HTS 8407.90.1060 due to spark-ignition air-cooling for horticultural applications. Heavy-duty recoil start system.