United States tariff, chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Last updated
Key facts
- National lines
- 1,706
- Subheadings
- 538
- Tariff
- United States
- Chapter
- 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Summary
The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings.
Subheadings with United States lines
The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings.
Subheadings 201 to 300 of 538, page 3 of 6.
84.31 Parts suitable for use solely or principally with the machinery of headings 8425 to 8430
84.32 Agricultural, horticultural or forestry machinery for soil preparation or cultivation; lawn or sports ground rollers; parts thereof
- 8432.10Ploughs3 lines
- 8432.21Harrows, scarifiers, cultivators, weeders and hoes: Disc harrows1 line
- 8432.29Harrows, scarifiers, cultivators, weeders and hoes: Other4 lines
- 8432.31Seeders, planters and transplanters: No-till direct seeders, planters and transplanters2 lines
- 8432.39Seeders, planters and transplanters: Other2 lines
- 8432.41Manure spreaders and fertiliser distributors: Manure spreaders1 line
- 8432.42Manure spreaders and fertiliser distributors: Fertiliser distributors1 line
- 8432.80Other machinery2 lines
- 8432.90Parts6 lines
84.33 Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof
- 8433.11Mowers for lawns, parks or sports grounds: Powered, with the cutting device rotating in a horizontal plane6 lines
- 8433.19Mowers for lawns, parks or sports grounds: Other5 lines
- 8433.20Other mowers, including cutter bars for tractor mounting3 lines
- 8433.30Other haymaking machinery1 line
- 8433.40Straw or fodder balers, including pick-up balers1 line
- 8433.51Other harvesting machinery; threshing machinery: Combine harvester-threshers2 lines
- 8433.52Other harvesting machinery; threshing machinery: Other threshing machinery1 line
- 8433.53Other harvesting machinery; threshing machinery: Root or tuber harvesting machines1 line
- 8433.59Other harvesting machinery; threshing machinery: Other2 lines
- 8433.60Machines for cleaning, sorting or grading eggs, fruit or other agricultural produce2 lines
- 8433.90Parts7 lines
84.34 Milking machines and dairy machinery, and parts thereof
84.35 Presses, crushers and similar machinery, used in the manufacture of wine, cider, fruit juices or similar beverages; parts thereof
84.36 Other agricultural, horticultural, forestry, poultry-keeping or bee-keeping machinery, including germination plant fitted with mechanical or thermal equipment; poultry incubators and brooders; parts thereof
- 8436.10Machinery for preparing animal feeding stuffs1 line
- 8436.21Poultry-keeping machinery; poultry incubators and brooders: Poultry incubators and brooders1 line
- 8436.29Poultry-keeping machinery; poultry incubators and brooders: Other1 line
- 8436.80Other machinery5 lines
- 8436.91Parts: Of poultry-keeping machinery or poultry incubators and brooders2 lines
- 8436.99Parts: Other6 lines
84.37 Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof
84.38 Machinery, not specified or included elsewhere in this chapter, for the industrial preparation or manufacture of food or drink, other than machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils; parts thereof
- 8438.10Bakery machinery and machinery for the manufacture of macaroni, spaghetti or similar products2 lines
- 8438.20Machinery for the manufacture of confectionery, cocoa or chocolate1 line
- 8438.30Machinery for sugar manufacture1 line
- 8438.40Brewery machinery1 line
- 8438.50Machinery for the preparation of meat or poultry2 lines
- 8438.60Machinery for the preparation of fruits, nuts or vegetables1 line
- 8438.80Other machinery1 line
- 8438.90Parts5 lines
84.39 Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419); parts thereof
84.40 Bookbinding machinery, including book-sewing machines, and parts thereof
84.41 Other machinery for making up paper pulp, paper or paperboard, including cutting machines of all kinds, and parts thereof
- 8441.10Cutting machines1 line
- 8441.20Machines for making bags, sacks or envelopes1 line
- 8441.30Machines for making cartons, boxes, cases, tubes, drums or similar containers, other than by moulding1 line
- 8441.40Machines for moulding articles in paper pulp, paper or paperboard1 line
- 8441.80Other machinery1 line
- 8441.90Parts1 line
84.42 Machinery, apparatus and equipment (other than the machines of headings 8456 to 8465), for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished); parts thereof
84.43 Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442; other printers, copying machines and facsimile machines, whether or not combined; parts and accessories thereof
- 8443.11Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Offset printing machinery, reel-fed2 lines
- 8443.12Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Offset printing machinery, sheet-fed, office type (using sheets with one side not exceeding 22cm and the other side not exceeding 36cm in the unfolded state)1 line
- 8443.13Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Other offset printing machinery1 line
- 8443.14Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Letterpress printing machinery, reel fed, excluding flexographic printing1 line
- 8443.15Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Letterpress printing machinery, other than reel fed, excluding flexographic printing1 line
- 8443.16Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Flexographic printing machinery1 line
- 8443.17Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Gravure printing machinery1 line
- 8443.19Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Other2 lines
- 8443.31Other printers, copying machines and facsimile machines, whether or not combined: Machines which perform two or more of the functions of printing, copying or facsimile transmission, capable of connecting to an automatic data processing machine or to a network1 line
- 8443.32Other printers, copying machines and facsimile machines, whether or not combined: Other, capable of connecting to an automatic data processing machine or to a network10 lines
- 8443.39Other printers, copying machines and facsimile machines, whether or not combined: Other7 lines
- 8443.91Parts and accessories: Parts and accessories of printing machinery used for printing by means of plates, cylinders and other printing components of heading 84.423 lines
- 8443.99Parts and accessories: Other12 lines
84.44 Machines for extruding, drawing, texturing or cutting man- made textile materials
- 8444.00Machines for extruding, drawing, texturing or cutting man- made textile materials2 lines
84.45 Machines for preparing textile fibers; spinning, doubling or twisting machines and other machinery for producing textile yarns; textile reeling or winding (including weft winding) machines and machines for preparing textile yarns for use on the machines of heading 8446 or 8447
- 8445.11Machines for preparing textile fibres: Carding machines1 line
- 8445.12Machines for preparing textile fibres: Combing machines1 line
- 8445.13Machines for preparing textile fibres: Drawing or roving machines1 line
- 8445.19Machines for preparing textile fibres: Other2 lines
- 8445.20Textile spinning machines1 line
- 8445.30Textile doubling or twisting machines2 lines
- 8445.40Textile winding (including weft-winding) or reeling machines1 line
- 8445.90Other1 line
84.46 Weaving machines (looms)
- 8446.10For weaving fabrics of a width not exceeding 30cm2 lines
- 8446.21For weaving fabrics of a width exceeding 30 cm, shuttle type: Power looms2 lines
- 8446.29For weaving fabrics of a width exceeding 30 cm, shuttle type: Other1 line
- 8446.30For weaving fabrics of a width exceeding 30cm, shuttleless type6 lines
84.47 Knitting machines, stitch-bonding machines and machines for making gimped yarn, tulle, lace, embroidery, trimmings, braid or net and machines for tufting
84.48 Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms); parts and accessories suitable for use solely or principally with the machines of this heading or of heading 8444, 8445, 8446 or 8447 (for example, spindles and spindle flyers, card clothing, combs, extruding nipples, shuttles, healds and heald-frames, hosiery needles)
- 8448.11Auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Dobbies and Jacquards; card reducing, copying, punching or assembling machines for use therewith1 line
- 8448.19Auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Other1 line
- 8448.20Parts and accessories of machines of heading 84.44 or of their auxiliary machinery3 lines
- 8448.31Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Card clothing1 line
- 8448.32Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Of machines for preparing textile fibres, other than card clothing2 lines
- 8448.33Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Spindles, spindle flyers, spinning rings and ring travellers1 line
- 8448.39Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Other3 lines
- 8448.42Parts and accessories of weaving machines (looms) or of their auxiliary machinery: Reeds for looms, healds and heald-frames1 line
- 8448.49Parts and accessories of weaving machines (looms) or of their auxiliary machinery: Other2 lines
In other countries
No other national tariff on border.bot has live lines under chapter 84 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have in HS chapter 84?
The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: