Honda GX630 V-Twin Gasoline Engine

The Honda GX630 is a 20.8 horsepower spark-ignition V-twin engine exceeding 18.65 kW, designed for heavy-duty applications like generators and pressure washers. It features overhead valves for efficiency and is classified under HTS 8407.90.9080 as a reciprocating internal combustion piston engine not for vehicles.

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 rated 13.40 kW or greater but not exceeding 18.65 kW

Lower power output shifts to different statistical suffix within same heading.

8408.90.90Same rate: 35%

If compression-ignition (diesel) type

Chapter 84 distinguishes spark-ignition (8407) from compression-ignition engines (8408).

8479.89Lower: 12.5% vs 35%

If imported as complete machinery unit rather than bare engine

Assembled into equipment like a generator set changes classification to machines not elsewhere specified.

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 with manufacturer specs to confirm >18.65 kW classification; include test reports in documentation

Ensure EPA/CARB emission labels are affixed for US compliance; missing labels lead to CBP holds

Declare exact horsepower in kW equivalent on entry to avoid misclassification penalties