Wind Turbine Multi-Stage Gearbox Spacer Ring from Germany

Hardened steel ring maintaining precise axial spacing between gear stages in compound wind turbine gearboxes, critical for gear mesh alignment. Falls under HTS 8483.90.50.20 as essential internal part of wind turbine speed changers.

Duty Rate — Germany → 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 gear stage layout drawings showing spacer critical dimensions

Certify hardness (HRC 58-64) and straightness tolerances (<0.02mm/100mm)

Avoid general 'ring' classification (7326) by documenting transmission function