Pulp Digger Speed Changer Gearbox

Heavy-duty fixed ratio speed changer gearbox for vertical pulp digester rotation drives, handling extreme torque loads during continuous cooking of wood chips into pulp. Features splash lubrication and high-capacity bearings for 24/7 pulp mill operation. HTS 8483.40.30.40 designation requires proof of pulp digester application.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8419.89Lower: 14.2% vs 35%

If as part of complete digestion machinery

Machinery for treatment of pulp materials includes integrated speed systems.

8483.60Lower: 12.8% vs 35%

If imported with integrated clutches

Clutch and shaft coupling combinations classify separately.

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

Include digester engineering drawings showing gearbox mounting interface

Avoid 'paper industry equipment' vagueness; specify 'cellulosic pulp digester' exactly

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