CNC Machine Variable Speed Reducer Gearbox from Japan
A precision gearbox used in CNC machining centers for variable speed control with multiple ratios selected manually via handwheel or lever. Classified under HTS 8483.40.5080 as a fixed/variable ratio speed changer for industrial machinery. It transmits power while allowing manual ratio adjustments without electronic controls.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify gearbox ratios are manually selectable to avoid 8483.40.30 classification; provide engineering specs showing mechanical ratio selection
• Ensure origin certification for machinery parts duty preferences
• Common pitfall: misclassifying electronically controlled units as servomotors under 8501