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Multi-Ratio Gearbox for Metalworking Lathes from Japan

Precision gearbox with 12-16 manually selectable ratios for controlling spindle speeds on metal lathes. Falls under HTS 8483.40.30.80 as fixed ratio speed changer for machine tools, not pulp equipment. Essential for machinists requiring exact cutting speeds.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include machining speed charts showing discrete ratio steps vs. continuous variation,Specify heat-treated alloy steel construction suitable for metalworking,Document as replacement part for existing lathe models when applicable