US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 84 · HTS release 2026HTSRev21

HTS 8421 Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free to 2.5%
Additional duty, main origins
0–60%
Statistical lines
24
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China12.5–50%Section 232, Section 301
Mexico0–25%Section 232, Section 301
Canada0–60%Section 232, Section 301, Other Chapter 99
Vietnam10–25%Section 232, Section 301
Germany7.5–25%Section 232, Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.03.14 Other Chapter 99
  • 9903.05.29 Section 301
  • 9903.05.31 Section 301
  • 9903.05.39 Section 301
  • 9903.05.55 Section 301
  • 9903.05.84 Section 301
  • 9903.05.90 Section 301
  • 9903.05.93 Section 301
  • 9903.05.94 Section 301
  • 9903.74.08 Section 232
  • 9903.74.10 Section 232
  • 9903.74.11 Section 232
  • 9903.82.03 Section 232
  • 9903.82.07 Section 232
  • 9903.82.10 Section 232
  • 9903.88.01 Section 301
  • 9903.88.03 Section 301
  • 9903.88.15 Section 301
  • 9903.88.69 Section 301
  • 9903.94.05 Section 232
  • 9903.94.06 Section 232
  • 9903.94.53 Section 232

Every line, every origin, with citations

This page sums heading 8421 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 24 statistical lines of heading 8421

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 8421.11.00.00Centrifuges, including centrifugal dryers › Cream separators
  • 8421.12.00.00Centrifuges, including centrifugal dryers › Clothes-dryers
  • 8421.19.00.00Centrifuges, including centrifugal dryers › Other
  • 8421.21.00.00Filtering or purifying machinery and apparatus for liquids › For filtering or purifying water
  • 8421.22.00.00Filtering or purifying machinery and apparatus for liquids › For filtering or purifying beverages other than…
  • 8421.23.00.00Filtering or purifying machinery and apparatus for liquids › Oil or fuel filters for internal combustion…
  • 8421.29.00.05… › Other › Refrigerant recovery and recycling units
  • 8421.29.00.15… › Other › Oil-separation equipment
  • 8421.29.00.40… › Other › Hydraulic fluid power filters, rated at 1,000 kPa or greater
  • 8421.29.00.65… › Other › Other
  • 8421.31.00.00Filtering or purifying machinery and apparatus for gases › Intake air filters for internal combustion engines
  • 8421.32.00.00Filtering or purifying machinery and apparatus for gases › Catalytic converters or particulate filters,…
  • 8421.39.01.05… › Dust collection and air purification equipment › For machine tools of headings 8456 through 8465,…
  • 8421.39.01.15… › Dust collection and air purification equipment › Other
  • 8421.39.01.20… › Industrial gas cleaning equipment › Electrostatic precipitators
  • 8421.39.01.30… › Industrial gas cleaning equipment › Other
  • 8421.39.01.40… › Other › Gas separation equipment
  • 8421.39.01.60… › Other › Pneumatic fluid power filters, rated at 550 kPa or greater
  • 8421.39.01.90… › Other › Other
  • 8421.91.20.00… › Of centrifuges, including centrifugal dryers › Drying chambers for the clothes-dryers of subheading…
  • 8421.91.40.00… › Of centrifuges, including centrifugal dryers › Furniture designed to receive the clothes-dryers of…
  • 8421.91.60.00… › Of centrifuges, including centrifugal dryers › Other
  • 8421.99.01.40… › Other › Parts of machinery and apparatus for filtering or purifying water
  • 8421.99.01.80… › Other › Other

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.