Top Drive Gearbox Housing from Canada
Cast housing for gearbox in top drive drilling systems used on oil/gas rigs (8428), housing gears for rotating drill string. Designed for high-pressure, corrosive environments. Exclusive to oilfield qualifies for 8431.39.0050.
Duty Rate — Canada → United States
10%
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 OEM part numbers tying to 8428 top drives; hydrostatic test certificates required
• Pitfall: Declared as generic castings leads to chapter 73