Yanmar 4JH57 Marine Diesel Engine from Japan
Yanmar's 4JH57 is a 57 hp (42 kW) inline-4 diesel engine optimized for sailboat and small yacht propulsion with low vibration and freshwater cooling. Classified under HTS 8408.10.00.05 for marine propulsion compression-ignition engines ≤111.9 kW. It features electronic fuel injection for efficient operation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide detailed installation diagrams showing propulsion shaft connection to prove marine propulsion use
• Check for country-of-origin marking requirements; engines often assembled in Japan or Europe needing specific labels
• Avoid common pitfall of missing noise emission certificates required for recreational marine imports