Caterpillar 3512C Marine Diesel Engine

A compression-ignition marine propulsion engine with 300 kW power output, designed for medium-sized commercial vessels like fishing boats and ferries. It falls under HTS 8408.10.00.30 due to its power rating between 223.8 kW and 373 kW and specific use in marine propulsion systems.

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.

8408.20Lower: 12.5% vs 37.5%

If used for industrial or vehicle applications

Engines not specifically for marine propulsion classify under other diesel engine subheadings in 8408.

8408.90.10Lower: 35% vs 37.5%

If power exceeds 373 kW

Higher power marine diesel engines fall into separate power band provisions.

8479.89.65.00Lower: 20.3% vs 37.5%

If imported as part of a complete marine vessel

Engines installed in imported boats may be classified with the vessel rather than separately.

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 certification from manufacturer to confirm it fits 223.8-373 kW range

Provide EPA Tier 3 or IMO emissions documentation for marine engines to avoid customs delays

Label clearly as 'marine propulsion' to prevent reclassification as industrial engines