Honda GX390 Small Engine

The Honda GX390 is a 389cc spark-ignition reciprocating piston engine designed for installation in agricultural machinery like lawn mowers and tillers. It falls under HTS 8407.90.10.80 as an 'other' engine specifically intended for agricultural or horticultural equipment, excluding tractors. This classification applies to its use in non-tractor farming 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.

8407.90.90.40Same rate: 35%

If intended for micro-tractors under 25HP

Engines specifically for installation in micro-tractors (≤25HP) fall under a dedicated subheading within the same chapter.

8407.34.05Higher: 50% vs 35%

If rated over 373kW

Higher horsepower spark-ignition engines (>500HP) are classified separately based on power output.

8433.60.00Same rate: 35%

If imported already installed in machinery

Complete harvesting machinery with integral engines is classified by function in Chapter 84, not as 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 specs confirm spark-ignition reciprocating design and intended use in ag/hort machinery via manufacturer docs to avoid reclassification

Include installation intent declaration; engines for micro-tractors may shift to 8407.90.10.40

Ensure EPA/CARB emissions labeling compliance for US imports to prevent customs holds

Related Products under HTS 8407.90.10.80

Briggs & Stratton 450 Series Engine

Briggs & Stratton 450 Series is an overhead valve spark-ignition engine for horticultural equipment like garden tractors and chippers. Classified under HTS 8407.90.10.80 for 'other' engines to be installed in non-tractor ag/hort machinery. Its compact design suits push mowers and power rakes.

Kohler Command PRO CH440 Engine

Kohler Command PRO CH440 is a 429cc spark-ignition engine for agricultural sprayers and cultivators. It qualifies for HTS 8407.90.10.80 as an 'other' engine for installation in horticultural equipment excluding tractors. Features include electronic ignition for reliable field operation.

Subaru EA190V Vertical Shaft Engine

Subaru EA190V is an air-cooled spark-ignition engine with vertical shaft for riding lawn mowers and horticultural aerators. Falls under HTS 8407.90.10.80 for 'other' agricultural/horticultural engines not for tractors. Known for low vibration in grass maintenance equipment.

Yamaha MZ360 Spark Ignition Engine

Yamaha MZ360 is a 357cc spark-ignition engine for agricultural generators and brush cutters. HTS 8407.90.10.80 applies to this 'other' category for horticultural machinery installation. Features overhead cam for high-RPM horticultural tasks.

LCT Predator 420cc Engine

LCT Predator 420cc is a budget spark-ignition OHV engine for go-karts repurposed in agricultural carts and tillers. Classified HTS 8407.90.10.80 for 'other' horticultural machinery engines. Electric start option suits remote farm use.

Lifan LF190F Horizontal Shaft Engine

Lifan LF190F is a 420cc spark-ignition horizontal shaft engine for agricultural water pumps and tillers. HTS 8407.90.10.80 covers this as an 'other' engine for horticultural machinery installation. Popular for its affordability in small farm equipment.