Top Drive Gearbox Module from China
The gearbox module within an offshore top drive system transmits power to rotate the drill string on oil/gas platforms (HTS 8431.43.40.00). Designed for harsh marine environments and high-torque requirements of 8430.41/8430.49 boring rigs. A key power transmission part solely for offshore drilling.
Duty Rate — China → United States
35%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Specify torque rating (e.g
• 60,000 ft-lbs) and API 7G certification; provide gear ratio/mounting flange drawings matching platform top drives; exclude general gearboxes under 8483