Yanmar 6LYA-STP Marine Engine

Yanmar 6LYA-STP is a 370 cu.in. diesel inline-6 engine at 128 kW for sportfishing boats. Falls under HTS 8408.10.0015 as a semi-diesel marine propulsion engine in the specified 111.9-149.2 kW power band.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

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

8408.90.10Lower: 35% vs 37.5%

If modified for marine generator application

Generator drive engines classify differently even if same base power rating.

8412.90.90Lower: 35% vs 37.5%

If imported as bare engine block without marine accessories

Incomplete engines may classify as reaction engines parts if lacking propulsion features.

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

Include propeller matching certification; customs verifies propulsion intent vs auxiliary capability

Saltwater cooling system docs required; fresh water heat exchanger variants may need material composition declaration