Top Drive Gearbox Housing from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide OEM part numbers tying to 8428 top drives; hydrostatic test certificates required
• Pitfall: Declared as generic castings leads to chapter 73