Wind Turbine Gearbox Cooling Finned Cover from Japan

Die-cast aluminum cover with integrated cooling fins for wind turbine gearbox housings, facilitating heat dissipation from 100°C+ oil temperatures. Classified under HTS 8483.90.50.20 as part of wind turbine speed changing equipment enclosures.

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 thermal finite element analysis validating cooling capacity for MW-class turbines

Document IP65+ sealing specifications required for offshore wind gearbox protection

Classify as gearbox part vs general castings by proving mounting hole patterns match turbine gearboxes