Industrial Fixed Ratio Gear Reducer

A fixed ratio speed changer used in heavy machinery to reduce motor speed while increasing torque output for consistent operation. It falls under HTS 8483.40.5010 as a gear box with a fixed gear ratio selected manually, distinct from variable or multiple ratio types. Commonly employed in conveyor systems and pumps.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8483.50.90Higher: 37.8% vs 37.5%

If incorporating a torque converter

Torque converters are specifically classified under 8483.50, shifting from pure speed changers.

8483.90.80Higher: 37.8% vs 37.5%

If imported as individual gears or unfinished assemblies

Parts of speed changers, not complete gear boxes, fall under the parts heading 8483.90.

8479.89.65Lower: 20.3% vs 37.5%

If for semiconductor wafer processing equipment

Speed changers integral to semiconductor manufacturing machines are classified with the machine in Chapter 84.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Verify exact gear ratio is fixed and manually selectable to confirm classification under 8483.40.5010; variable ratios shift to other subheadings

Include detailed technical specs and assembly diagrams in documentation to avoid misclassification as parts under 8483.90

Ensure CE or ISO certification for industrial safety compliance to prevent customs holds