Yanmar 4JH57 Marine Diesel Engine from China

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 — China → United States

37.5%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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