Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HTS heading 8419: Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514…

56 numbered lines under heading 8419, including 39 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 8419
HTS codeDescriptionUnitGeneralSpecialColumn 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:
Instantaneous or storage water heaters, nonelectric:
8419.11.00.00Instantaneous gas water heatersNo.Free45%
8419.12.00.00Solar water heatersNo.Free45%
8419.19.01OtherFree45%
8419.19.01.20Instantaneous water heatersNo.
8419.19.01.60OtherNo.
8419.20.00Medical, surgical or laboratory sterilizersFree35%
8419.20.00.10Medical or surgical sterilizersNo.
8419.20.00.20Laboratory sterilizersNo.
Dryers:
8419.33Lyophilisation apparatus, freeze drying units and spray dryers:
8419.33.10.00For agricultural productsNo.Free35%
8419.33.50.00OtherNo.Free35%
8419.34.00.00Other, for agricultural productsNo.Free35%
8419.35Other, for wood, paper pulp, paper or paperboard
8419.35.10.00For woodNo.Free35%
8419.35.50.00OtherNo.Free35%
8419.39.02OtherFree35%
8419.39.02.70For foods and beveragesNo.
8419.39.02.80OtherNo.
8419.40.00Distilling or rectifying plantFree35%
8419.40.00.10Rotary evaporatorsNo.
8419.40.00.90OtherNo.
8419.50Heat exchange units:
8419.50.10.00Brazed aluminum plate-fin heat exchangersNo.4.2%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)35%
8419.50.50.00OtherNo.Free35%
8419.60Machinery for liquefying air or other gases:
8419.60.10.00Machinery containing brazed aluminum plate-fin heat exchangersNo.4.2%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%
8419.60.50.00OtherNo.Free35%
Other machinery, plant or equipment:
8419.81For making hot drinks or for cooking or heating food:
8419.81.50Cooking stoves, ranges and ovensFree35%
8419.81.50.40For use in civil aircraftNote: See General Note 6.No.
8419.81.50.80OtherNo.
8419.81.90OtherFree35%
8419.81.90.40Of a type used in restaurants, hotels or similar locationsNo.
8419.81.90.80OtherNo.
8419.89Other:
8419.89.10.00For making paper pulp, paper or paperboardNo.Free35%
Other:
8419.89.60.00Molten-salt-cooled acrylic acid reactorsNo.Free35%
8419.89.95Other4.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%
8419.89.95.10Heating mantles; drum heaters and heating belts for heating containersNo.
Other:
Designed for cooling:
8419.89.95.20For food and beveragesNo.
8419.89.95.40OtherNo.
Other:
8419.89.95.50For food and beveragesNo.
8419.89.95.70For rubber and plasticsNo.
8419.89.95.90For other materialsNo.
8419.90Parts:
8419.90.10.00Of instantaneous or storage water heaterskgFree45%
8419.90.20.00Of machinery and plant for making paper pulp, paper or paperboardkgFree35%
8419.90.30.00Of heat exchange unitskgFree35%
Other:
8419.90.50Of molten-salt-cooled acrylic acid reactors; of medical, surgical or laboratory sterilizersFree35%
8419.90.50.40Of medical, surgical or laboratory sterilizerskg
8419.90.50.80Otherkg
8419.90.85.00Of electromechanical tools for working in the hand with self-contained electric motorkgFree35%
8419.90.95Other4%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%
8419.90.95.20Of an apparatus of a type used in restaurants, hotels or similar locationskg
8419.90.95.80Otherkg

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.