Wind Turbine Gearbox Cooling Finned Cover from China
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 — 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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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