HS chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Last updated
Key facts
- Chapter
- 84
- Description
- Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Headings
- 86
- Subheadings
- 538
- Edition
- HS2022
Summary
HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It has 86 headings, 84.01 to 84.87, and 538 six-digit subheadings in HS2022. National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country).
What this chapter covers
HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
It has 86 headings, 84.01 to 84.87, and 538 six-digit subheadings in HS2022.
Subheadings 201 to 300 of 538, page 3 of 6.
84.32 Agricultural, horticultural or forestry machinery for soil preparation or cultivation; lawn or sports-ground rollers
- 8432.10Ploughs
- 8432.21Harrows, scarifiers, cultivators, weeders and hoes: Disc harrows
- 8432.29Harrows, scarifiers, cultivators, weeders and hoes: Other
- 8432.31Seeders, planters and transplanters: No-till direct seeders, planters and transplanters
- 8432.39Seeders, planters and transplanters: Other
- 8432.41Manure spreaders and fertiliser distributors: Manure spreaders
- 8432.42Manure spreaders and fertiliser distributors: Fertiliser distributors
- 8432.80Other machinery
- 8432.90Parts
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 84.37
- 8433.11Mowers for lawns, parks or sports grounds: Powered, with the cutting device rotating in a horizontal plane
- 8433.19Mowers for lawns, parks or sports grounds: Other
- 8433.20Other mowers, including cutter bars for tractor mounting
- 8433.30Other haymaking machinery
- 8433.40Straw or fodder balers, including pick-up balers
- 8433.51Other harvesting machinery; threshing machinery: Combine harvester-threshers
- 8433.52Other harvesting machinery; threshing machinery: Other threshing machinery
- 8433.53Other harvesting machinery; threshing machinery: Root or tuber harvesting machines
- 8433.59Other harvesting machinery; threshing machinery: Other
- 8433.60Machines for cleaning, sorting or grading eggs, fruit or other agricultural produce
- 8433.90Parts
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
- 8436.10Machinery for preparing animal feeding stuffs
- 8436.21Poultry-keeping machinery; poultry incubators and brooders: Poultry incubators and brooders
- 8436.29Poultry-keeping machinery; poultry incubators and brooders: Other
- 8436.80Other machinery
- 8436.91Parts: Of poultry-keeping machinery or poultry incubators and brooders
- 8436.99Parts: Other
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
- 8438.10Bakery machinery and machinery for the manufacture of macaroni, spaghetti or similar products
- 8438.20Machinery for the manufacture of confectionery, cocoa or chocolate
- 8438.30Machinery for sugar manufacture
- 8438.40Brewery machinery
- 8438.50Machinery for the preparation of meat or poultry
- 8438.60Machinery for the preparation of fruits, nuts or vegetables
- 8438.80Other machinery
- 8438.90Parts
84.43 Printing machinery used for printing by means of plates, cylinders and other printing components of heading 84.42; 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-fed
- 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)
- 8443.13Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Other offset printing machinery
- 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 printing
- 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 printing
- 8443.16Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Flexographic printing machinery
- 8443.17Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Gravure printing machinery
- 8443.19Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: Other
- 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 network
- 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 network
- 8443.39Other printers, copying machines and facsimile machines, whether or not combined: Other
- 8443.91Parts and accessories: Parts and accessories of printing machinery used for printing by means of plates, cylinders and other printing components of heading 84.42
- 8443.99Parts and accessories: Other
84.44 Machines for extruding, drawing, texturing or cutting man- made textile materials
- 8444.00Machines for extruding, drawing, texturing or cutting man- made textile materials
84.45 Machines for preparing textile fibres; 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 84.46 or 84.47
- 8445.11Machines for preparing textile fibres: Carding machines
- 8445.12Machines for preparing textile fibres: Combing machines
- 8445.13Machines for preparing textile fibres: Drawing or roving machines
- 8445.19Machines for preparing textile fibres: Other
- 8445.20Textile spinning machines
- 8445.30Textile doubling or twisting machines
- 8445.40Textile winding (including weft-winding) or reeling machines
- 8445.90Other
84.48 Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, jacquards, automatic stop motions, 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 therewith
- 8448.19Auxiliary machinery for machines of heading 8444, 8445, 8446 or 8447: Other
- 8448.20Parts and accessories of machines of heading 84.44 or of their auxiliary machinery
- 8448.31Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Card clothing
- 8448.32Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Of machines for preparing textile fibres, other than card clothing
- 8448.33Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Spindles, spindle flyers, spinning rings and ring travellers
- 8448.39Parts and accessories of machines of heading 8445 or of their auxiliary machinery: Other
- 8448.42Parts and accessories of weaving machines (looms) or of their auxiliary machinery: Reeds for looms, healds and heald-frames
- 8448.49Parts and accessories of weaving machines (looms) or of their auxiliary machinery: Other
What it doesn’t cover
Chapter 83, before it, covers miscellaneous articles of base metal; chapter 85, after it, covers electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles.
How it is structured
Chapter 84 is the first level of the Harmonized System. Its headings add two digits to the chapter number (84.01), and each heading's subheadings add two more.
In other countries
National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country).
- United States1,706 lines, used by 1 other country
Frequently asked questions
What does HS chapter 84 cover?
HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
How many headings and subheadings are in HS chapter 84?
HS chapter 84 has 86 headings and 538 six-digit subheadings in HS2022.
Which countries’ tariffs list national lines in HS chapter 84?
National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 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.