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Crown Block Sheave for Drawworks

High-capacity sheaves for crown blocks in drawworks systems handling heavy loads during sinking. Fits 8431.43.80.90 parts definition.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+50.0%50%
🇲🇽MexicoFree+25.0%25%
🇨🇦CanadaFree+25.0%25%
🇩🇪GermanyFree+25.0%25%
🇯🇵JapanFree+25.0%25%

Alternative Classifications

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

8431.10.00Lower: 35% vs 50%

If pulleys for cranes

Sheaves for non-boring hoisting separate.

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Import Tips & Compliance

Load ratings ≥500 tons required

Bearing specifications for extreme environments