Wind Turbine Gearbox Cooling Finned Cover

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7616.99.51Same rate: 37.5%

If imported without specific gearbox mounting features

Aluminum cast articles lacking transmission function classified in Chapter 76.

8483.90.50Same rate: 37.5%

If cooling cover for industrial speed reducers

Only wind-specific gearbox parts qualify for 8483.90.5020.

8419.89.95Higher: 39.2% vs 37.5%

If primary function considered machinery cooling equipment

Machinery for temperature change classified in heading 8419.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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

Related Products under HTS 8483.90.50.20

Wind Turbine Planetary Gearbox Housing

This robust cast iron housing encases the planetary gears within a wind turbine's main gearbox, transmitting torque from the rotor to the generator. It falls under HTS 8483.90.50.20 as a dedicated part of gearboxes for wind turbines, designed to withstand high radial and axial loads in harsh offshore environments.

Wind Turbine High-Speed Gear Shaft

Precision-forged alloy steel shaft with helical gears that connects the gearbox output to the generator in wind turbines, rated for speeds up to 1800 RPM. Classified under HTS 8483.90.50.20 due to its integral role in wind turbine speed changers for power transmission.

Wind Turbine Gearbox Bearing Retainer Ring

Specialized steel retainer ring that secures large roller bearings within wind turbine gearbox housings, engineered for extreme shock loads and vibration. It qualifies for HTS 8483.90.50.20 as an essential component of wind turbine speed changing mechanisms.

Wind Turbine Main Gearbox Torque Arm

Heavy-duty fabricated steel arm that mounts the main gearbox to the wind turbine nacelle bedplate, absorbing torque reactions up to 10 million Nm. Falls under HTS 8483.90.50.20 as a structural part of wind turbine gear boxes and speed changers.

Wind Turbine Gearbox Oil Pump Mounting Bracket

Precision CNC-machined aluminum bracket that positions the lubrication oil pump within wind turbine gearboxes, ensuring reliable cooling under full load. Classified in HTS 8483.90.50.20 for its role in maintaining wind turbine speed changer functionality.

Wind Turbine Parallel Shaft Gearbox Coupler

High-strength forged coupler connecting parallel shafts within multi-stage wind turbine gearboxes, transmitting over 5 MW power with minimal backlash. HTS 8483.90.50.20 applies as a critical internal transmission element for wind turbine speed changers.