Section XVI · Nuclear reactors, boilers, machinery and mechanical appliances; parts

8419.89

Other:

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How this code is built
84

Chapter

Nuclear reactors, boilers, machinery and mechanical appliances; parts

19

Heading

The product family within the chapter

89

Subheading

The specific good, identical worldwide

The first six digits are the same in every country that uses the Harmonized System. The United States adds two more for the tariff rate and, often, two more for statistics — which is why the rates below are listed against 8- and 10-digit numbers rather than against this code.

How the schedule reaches this code

  1. 84Nuclear reactors, boilers, machinery and mechanical appliances; parts
  2. 8419Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof:
  3. Other machinery, plant or equipment:
  4. Other:

Published US duty rates

Duty is set at the 8- or 10-digit line, not at this 6-digit subheading, so more than one rate can sit under this code.

  • 8419.89.10.00For making paper pulp, paper or paperboardNo.
    General
    Free
    Special (FTA)
    —

    No preferential rate published.

    Column 2
    35%

    Countries without normal trade relations.

  • 8419.89.60.00Molten-salt-cooled acrylic acid reactorsNo.
    General
    Free
    Special (FTA)
    —

    No preferential rate published.

    Column 2
    35%

    Countries without normal trade relations.

  • 8419.89.95Other
    General
    4.2%
    Special (FTA)
    Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

    Only if the goods qualify under one of these programs.

    Column 2
    35%

    Countries without normal trade relations.

This is the listed rate. Antidumping and countervailing duty orders, Chapter 99 actions and preference qualification all change what is actually collected, and classification is a judgement about your goods. Verify with your licensed customs broker before you file.

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Other subheadings in heading 8419

Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 20, released 2026-09-28, published at hts.usitc.gov. A U.S. Government work in the public domain.