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Import duty / Chapter 84 / Heading 8421

Import duty on Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids or gases (HS 8421)

Heading 8421 covers 12 tariff lines in LoadLoom's table; 11 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.

HS codeGoodsUS dutyCanada dutyUSMCA
8421.11Centrifuges; cream separatorsFreeFreeFree with certificate
8421.12Centrifuges; clothes-dryersFreeFreeFree with certificate
8421.19Centrifuges; n.e.c. in heading no. 8421, including centrifugal dryers (but not clothes-dryers)1.3%FreeFree with certificate
8421.21Machinery; for filtering or purifying waterFreeFreeFree with certificate
8421.22Machinery; for filtering or purifying beverages other than waterFreeFreeFree with certificate
8421.23Machinery; filtering or purifying machinery, oil or petrol filters for internal combustion engines2.5%FreeFree with certificate
8421.29Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2FreeFreeFree with certificate
8421.31Machinery; intake air filters for internal combustion engines2.5%FreeFree with certificate
8421.32Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion enginesFreeFreeFree with certificate
8421.39Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion enginesFreeFreeFree with certificate
8421.91Centrifuges; parts thereof, including parts for centrifugal dryersFreeFreeNot eligible
8421.99Machinery; parts for filtering or purifying liquids or gasesFreeFreeFree with certificate

This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.

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Chapter 84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof · Every chapter

USDOT Number: 3852466