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Mitsubishi Heavy Industries ZG Series Gear Grinder

Mitsubishi ZG Series machines are CNC gear grinders for automotive transmission gears, featuring automatic wheel balancing and in-process measurement. They achieve micron-level accuracy for high-volume production. Classified under 8461.40.50 for specialized gear finishing operations.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.4%+37.5%41.9%
🇲🇽Mexico4.4%+10.0%14.4%
🇨🇦Canada4.4%+10.0%14.4%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

8460Lower: 16.9% vs 41.9%

If primarily numerical control grinding for non-gear cylindrical parts

General NC grinding machines when gear functions are optional add-ons.

8462.29.00Same rate: 41.9%

If for gear finishing by bending without material removal

Non-metal removing gear machines classify under Chapter 84 heading 8462.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Submit OEM technical manuals highlighting gear-specific CNC programming

• Include measurement system integration details for gear profile verification

• Differentiate from general OD/ID grinders by documenting involute profile functions