Caterpillar 3512C Marine Diesel Engine from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• 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