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 101 to 200 of 538, page 2 of 6.
84.19 Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 85.14), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilising, pasteurising, steaming, drying, evaporating, vaporising, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, non-electric
- 8419.12Instantaneous or storage water heaters, non-electric: Solar water heaters
- 8419.19Instantaneous or storage water heaters, non-electric: Other
- 8419.20Medical, surgical or laboratory sterilisers
- 8419.33Dryers: Lyophilisation apparatus, freeze drying units and spray dryers
- 8419.34Dryers: Other, for agricultural products
- 8419.35Dryers: Other, for wood, paper pulp, paper or paperboard
- 8419.39Dryers: Other
- 8419.40Distilling or rectifying plant
- 8419.50Heat exchange units
- 8419.60Machinery for liquefying air or other gases
- 8419.81Other machinery, plant and equipment: For making hot drinks or for cooking or heating food
- 8419.89Other machinery, plant and equipment: Other
- 8419.90Parts
84.21 Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases
- 8421.11Centrifuges, including centrifugal dryers: Cream separators
- 8421.12Centrifuges, including centrifugal dryers: Clothes-dryers
- 8421.19Centrifuges, including centrifugal dryers: Other
- 8421.21Filtering or purifying machinery and apparatus for liquids: For filtering or purifying water
- 8421.22Filtering or purifying machinery and apparatus for liquids: For filtering or purifying beverages other than water
- 8421.23Filtering or purifying machinery and apparatus for liquids: Oil or petrol-filters for internal combustion engines
- 8421.29Filtering or purifying machinery and apparatus for liquids: Other
- 8421.31Filtering or purifying machinery and apparatus for gases: Intake air filters for internal combustion engines
- 8421.32Filtering or purifying machinery and apparatus for gases: Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
- 8421.39Filtering or purifying machinery and apparatus for gases: Other
- 8421.91Parts: Of centrifuges, including centrifugal dryers
- 8421.99Parts: Other
84.22 Dish washing machines; machinery for cleaning or drying bottles or other containers; machinery for filling, closing, sealing or labelling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; other packing or wrapping machinery (including heat-shrink wrapping machinery); machinery for aerating beverages
- 8422.11Dishwashing machines: Of the household type
- 8422.19Dishwashing machines: Other
- 8422.20Machinery for cleaning or drying bottles or other containers
- 8422.30Machinery for filling, closing, sealing, or labelling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; machinery for aerating beverages
- 8422.40Other packing or wrapping machinery (including heat-shrink wrapping machinery)
- 8422.90Parts
84.23 Weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight operated counting or checking machines; weighing machine weights of all kinds
- 8423.10Personal weighing machines, including baby scales; household scales
- 8423.20Scales for continuous weighing of goods on conveyors
- 8423.30Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales
- 8423.81Other weighing machinery: Having a maximum weighing capacity not exceeding 30kg
- 8423.82Other weighing machinery: Having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg
- 8423.89Other weighing machinery: Other
- 8423.90Weighing machine weights of all kinds; parts of weighing machinery
84.24 Mechanical appliances (whether or not hand-operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines
- 8424.10Fire extinguishers, whether or not charged
- 8424.20Spray guns and similar appliances
- 8424.30Steam or sand blasting machines and similar jet projecting machines
- 8424.41Agricultural or horticultural sprayers: Portable sprayers
- 8424.49Agricultural or horticultural sprayers: Other
- 8424.82Other appliances: Agricultural or horticultural
- 8424.89Other appliances: Other
- 8424.90Parts
84.25 Pulley tackle and hoists other than skip hoists; winches and capstans; jacks
- 8425.11Pulley tackle and hoists other than skip hoists or hoists of a kind used for raising vehicles: Powered by electric motor
- 8425.19Pulley tackle and hoists other than skip hoists or hoists of a kind used for raising vehicles: Other
- 8425.31Winches; capstans: Powered by electric motor
- 8425.39Winches; capstans: Other
- 8425.41Jacks; hoists of a kind used for raising vehicles: Built-in jacking systems of a type used in garages
- 8425.42Jacks; hoists of a kind used for raising vehicles: Other jacks and hoists, hydraulic
- 8425.49Jacks; hoists of a kind used for raising vehicles: Other
84.26 Ships' derricks; cranes, including cable cranes; mobile lifting frames, straddle carriers and works trucks fitted with a crane
- 8426.11Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Overhead travelling cranes on fixed support
- 8426.12Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Mobile lifting frames on tyres and straddle carriers
- 8426.19Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Other
- 8426.20Tower cranes
- 8426.30Portal or pedestal jib cranes
- 8426.41Other machinery, self-propelled: On tyres
- 8426.49Other machinery, self-propelled: Other
- 8426.91Other machinery: Designed for mounting on road vehicles
- 8426.99Other machinery: Other
84.28 Other lifting, handling, loading or unloading machinery (for example, lifts, escalators, conveyors, teleferics)
- 8428.10Lifts and skip hoists
- 8428.20Pneumatic elevators and conveyors
- 8428.31Other continuous-action elevators and conveyors, for goods or materials: Specially designed for underground use
- 8428.32Other continuous-action elevators and conveyors, for goods or materials: Other, bucket type
- 8428.33Other continuous-action elevators and conveyors, for goods or materials: Other, belt type
- 8428.39Other continuous-action elevators and conveyors, for goods or materials: Other
- 8428.40Escalators and moving walkways
- 8428.60Teleferics, chair-lifts, ski-draglines; traction mechanisms for funiculars
- 8428.70Industrial robots
- 8428.90Other machinery
84.29 Self-propelled bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers
- 8429.11Bulldozers and angledozers: Track laying
- 8429.19Bulldozers and angledozers: Other
- 8429.20Graders and levellers
- 8429.30Scrapers
- 8429.40Tamping machines and road rollers
- 8429.51Mechanical shovels, excavators and shovel loaders: Front-end shovel loaders
- 8429.52Mechanical shovels, excavators and shovel loaders: Machinery with a 360 revolving superstructure
- 8429.59Mechanical shovels, excavators and shovel loaders: Other
84.30 Other moving, grading, levelling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores; pile-drivers and pile-extractors; snow-ploughs and snow- blowers
- 8430.10Pile-drivers and pile-extractors
- 8430.20Snow-ploughs and snow-blowers
- 8430.31Coal or rock cutters and tunnelling machinery: Self-propelled
- 8430.39Coal or rock cutters and tunnelling machinery: Other
- 8430.41Other boring or sinking machinery: Self-propelled
- 8430.49Other boring or sinking machinery: Other
- 8430.50Other machinery, self-propelled
- 8430.61Other machinery, not self-propelled: Tamping or compacting machinery
- 8430.69Other machinery, not self-propelled: 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.