{
  "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).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "Chapter",
      "value": "84",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Description",
      "value": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Headings",
      "value": "86",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Subheadings",
      "value": "538",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    }
  ],
  "faq": [
    {
      "question": "What does HS chapter 84 cover?",
      "answer": "HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof."
    },
    {
      "question": "How many headings and subheadings are in HS chapter 84?",
      "answer": "HS chapter 84 has 86 headings and 538 six-digit subheadings in HS2022."
    },
    {
      "question": "Which countries’ tariffs list national lines in HS chapter 84?",
      "answer": "National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this chapter covers",
      "text": [
        "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."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "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."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "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."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under chapter 84 are live on border.bot for the United States (1,706 lines, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "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."
      ]
    }
  ],
  "data": {
    "type": "hs-chapter",
    "edition": "HS2022",
    "chapter": {
      "code": "84",
      "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof"
    },
    "headings": [
      {
        "code": "8419",
        "description": "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",
        "subheadings": [
          {
            "code": "841912",
            "description": "Instantaneous or storage water heaters, non-electric: Solar water heaters"
          },
          {
            "code": "841919",
            "description": "Instantaneous or storage water heaters, non-electric: Other"
          },
          {
            "code": "841920",
            "description": "Medical, surgical or laboratory sterilisers"
          },
          {
            "code": "841933",
            "description": "Dryers: Lyophilisation apparatus, freeze drying units and spray dryers"
          },
          {
            "code": "841934",
            "description": "Dryers: Other, for agricultural products"
          },
          {
            "code": "841935",
            "description": "Dryers: Other, for wood, paper pulp, paper or paperboard"
          },
          {
            "code": "841939",
            "description": "Dryers: Other"
          },
          {
            "code": "841940",
            "description": "Distilling or rectifying plant"
          },
          {
            "code": "841950",
            "description": "Heat exchange units"
          },
          {
            "code": "841960",
            "description": "Machinery for liquefying air or other gases"
          },
          {
            "code": "841981",
            "description": "Other machinery, plant and equipment: For making hot drinks or for cooking or heating food"
          },
          {
            "code": "841989",
            "description": "Other machinery, plant and equipment: Other"
          },
          {
            "code": "841990",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8420",
        "description": "Calendering or other rolling machines, other than for metals or glass, and cylinders therefor",
        "subheadings": [
          {
            "code": "842010",
            "description": "Calendering or other rolling machines"
          },
          {
            "code": "842091",
            "description": "Parts: Cylinders"
          },
          {
            "code": "842099",
            "description": "Parts: Other"
          }
        ]
      },
      {
        "code": "8421",
        "description": "Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases",
        "subheadings": [
          {
            "code": "842111",
            "description": "Centrifuges, including centrifugal dryers: Cream separators"
          },
          {
            "code": "842112",
            "description": "Centrifuges, including centrifugal dryers: Clothes-dryers"
          },
          {
            "code": "842119",
            "description": "Centrifuges, including centrifugal dryers: Other"
          },
          {
            "code": "842121",
            "description": "Filtering or purifying machinery and apparatus for liquids: For filtering or purifying water"
          },
          {
            "code": "842122",
            "description": "Filtering or purifying machinery and apparatus for liquids: For filtering or purifying beverages other than water"
          },
          {
            "code": "842123",
            "description": "Filtering or purifying machinery and apparatus for liquids: Oil or petrol-filters for internal combustion engines"
          },
          {
            "code": "842129",
            "description": "Filtering or purifying machinery and apparatus for liquids: Other"
          },
          {
            "code": "842131",
            "description": "Filtering or purifying machinery and apparatus for gases: Intake air filters for internal combustion engines"
          },
          {
            "code": "842132",
            "description": "Filtering 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"
          },
          {
            "code": "842139",
            "description": "Filtering or purifying machinery and apparatus for gases: Other"
          },
          {
            "code": "842191",
            "description": "Parts: Of centrifuges, including centrifugal dryers"
          },
          {
            "code": "842199",
            "description": "Parts: Other"
          }
        ]
      },
      {
        "code": "8422",
        "description": "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",
        "subheadings": [
          {
            "code": "842211",
            "description": "Dishwashing machines: Of the household type"
          },
          {
            "code": "842219",
            "description": "Dishwashing machines: Other"
          },
          {
            "code": "842220",
            "description": "Machinery for cleaning or drying bottles or other containers"
          },
          {
            "code": "842230",
            "description": "Machinery 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"
          },
          {
            "code": "842240",
            "description": "Other packing or wrapping machinery (including heat-shrink wrapping machinery)"
          },
          {
            "code": "842290",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8423",
        "description": "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",
        "subheadings": [
          {
            "code": "842310",
            "description": "Personal weighing machines, including baby scales; household scales"
          },
          {
            "code": "842320",
            "description": "Scales for continuous weighing of goods on conveyors"
          },
          {
            "code": "842330",
            "description": "Constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales"
          },
          {
            "code": "842381",
            "description": "Other weighing machinery: Having a maximum weighing capacity not exceeding 30kg"
          },
          {
            "code": "842382",
            "description": "Other weighing machinery: Having a maximum weighing capacity exceeding 30kg but not exceeding 5,000kg"
          },
          {
            "code": "842389",
            "description": "Other weighing machinery: Other"
          },
          {
            "code": "842390",
            "description": "Weighing machine weights of all kinds; parts of weighing machinery"
          }
        ]
      },
      {
        "code": "8424",
        "description": "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",
        "subheadings": [
          {
            "code": "842410",
            "description": "Fire extinguishers, whether or not charged"
          },
          {
            "code": "842420",
            "description": "Spray guns and similar appliances"
          },
          {
            "code": "842430",
            "description": "Steam or sand blasting machines and similar jet projecting machines"
          },
          {
            "code": "842441",
            "description": "Agricultural or horticultural sprayers: Portable sprayers"
          },
          {
            "code": "842449",
            "description": "Agricultural or horticultural sprayers: Other"
          },
          {
            "code": "842482",
            "description": "Other appliances: Agricultural or horticultural"
          },
          {
            "code": "842489",
            "description": "Other appliances: Other"
          },
          {
            "code": "842490",
            "description": "Parts"
          }
        ]
      },
      {
        "code": "8425",
        "description": "Pulley tackle and hoists other than skip hoists; winches and capstans; jacks",
        "subheadings": [
          {
            "code": "842511",
            "description": "Pulley tackle and hoists other than skip hoists or hoists of a kind used for raising vehicles: Powered by electric motor"
          },
          {
            "code": "842519",
            "description": "Pulley tackle and hoists other than skip hoists or hoists of a kind used for raising vehicles: Other"
          },
          {
            "code": "842531",
            "description": "Winches; capstans: Powered by electric motor"
          },
          {
            "code": "842539",
            "description": "Winches; capstans: Other"
          },
          {
            "code": "842541",
            "description": "Jacks; hoists of a kind used for raising vehicles: Built-in jacking systems of a type used in garages"
          },
          {
            "code": "842542",
            "description": "Jacks; hoists of a kind used for raising vehicles: Other jacks and hoists, hydraulic"
          },
          {
            "code": "842549",
            "description": "Jacks; hoists of a kind used for raising vehicles: Other"
          }
        ]
      },
      {
        "code": "8426",
        "description": "Ships' derricks; cranes, including cable cranes; mobile lifting frames, straddle carriers and works trucks fitted with a crane",
        "subheadings": [
          {
            "code": "842611",
            "description": "Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Overhead travelling cranes on fixed support"
          },
          {
            "code": "842612",
            "description": "Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Mobile lifting frames on tyres and straddle carriers"
          },
          {
            "code": "842619",
            "description": "Overhead travelling cranes, transporter cranes, gantry cranes, bridge cranes, mobile lifting frames and straddle carriers: Other"
          },
          {
            "code": "842620",
            "description": "Tower cranes"
          },
          {
            "code": "842630",
            "description": "Portal or pedestal jib cranes"
          },
          {
            "code": "842641",
            "description": "Other machinery, self-propelled: On tyres"
          },
          {
            "code": "842649",
            "description": "Other machinery, self-propelled: Other"
          },
          {
            "code": "842691",
            "description": "Other machinery: Designed for mounting on road vehicles"
          },
          {
            "code": "842699",
            "description": "Other machinery: Other"
          }
        ]
      },
      {
        "code": "8427",
        "description": "Fork-lift trucks; other works trucks fitted with lifting or handling equipment",
        "subheadings": [
          {
            "code": "842710",
            "description": "Self-propelled trucks powered by an electric motor"
          },
          {
            "code": "842720",
            "description": "Other self-propelled trucks"
          },
          {
            "code": "842790",
            "description": "Other trucks"
          }
        ]
      },
      {
        "code": "8428",
        "description": "Other lifting, handling, loading or unloading machinery (for example, lifts, escalators, conveyors, teleferics)",
        "subheadings": [
          {
            "code": "842810",
            "description": "Lifts and skip hoists"
          },
          {
            "code": "842820",
            "description": "Pneumatic elevators and conveyors"
          },
          {
            "code": "842831",
            "description": "Other continuous-action elevators and conveyors, for goods or materials: Specially designed for underground use"
          },
          {
            "code": "842832",
            "description": "Other continuous-action elevators and conveyors, for goods or materials: Other, bucket type"
          },
          {
            "code": "842833",
            "description": "Other continuous-action elevators and conveyors, for goods or materials: Other, belt type"
          },
          {
            "code": "842839",
            "description": "Other continuous-action elevators and conveyors, for goods or materials: Other"
          },
          {
            "code": "842840",
            "description": "Escalators and moving walkways"
          },
          {
            "code": "842860",
            "description": "Teleferics, chair-lifts, ski-draglines; traction mechanisms for funiculars"
          },
          {
            "code": "842870",
            "description": "Industrial robots"
          },
          {
            "code": "842890",
            "description": "Other machinery"
          }
        ]
      },
      {
        "code": "8429",
        "description": "Self-propelled bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers",
        "subheadings": [
          {
            "code": "842911",
            "description": "Bulldozers and angledozers: Track laying"
          },
          {
            "code": "842919",
            "description": "Bulldozers and angledozers: Other"
          },
          {
            "code": "842920",
            "description": "Graders and levellers"
          },
          {
            "code": "842930",
            "description": "Scrapers"
          },
          {
            "code": "842940",
            "description": "Tamping machines and road rollers"
          },
          {
            "code": "842951",
            "description": "Mechanical shovels, excavators and shovel loaders: Front-end shovel loaders"
          },
          {
            "code": "842952",
            "description": "Mechanical shovels, excavators and shovel loaders: Machinery with a 360 revolving superstructure"
          },
          {
            "code": "842959",
            "description": "Mechanical shovels, excavators and shovel loaders: Other"
          }
        ]
      },
      {
        "code": "8430",
        "description": "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",
        "subheadings": [
          {
            "code": "843010",
            "description": "Pile-drivers and pile-extractors"
          },
          {
            "code": "843020",
            "description": "Snow-ploughs and snow-blowers"
          },
          {
            "code": "843031",
            "description": "Coal or rock cutters and tunnelling machinery: Self-propelled"
          },
          {
            "code": "843039",
            "description": "Coal or rock cutters and tunnelling machinery: Other"
          },
          {
            "code": "843041",
            "description": "Other boring or sinking machinery: Self-propelled"
          },
          {
            "code": "843049",
            "description": "Other boring or sinking machinery: Other"
          },
          {
            "code": "843050",
            "description": "Other machinery, self-propelled"
          },
          {
            "code": "843061",
            "description": "Other machinery, not self-propelled: Tamping or compacting machinery"
          },
          {
            "code": "843069",
            "description": "Other machinery, not self-propelled: Other"
          }
        ]
      },
      {
        "code": "8431",
        "description": "Parts suitable for use solely or principally with the machinery of headings 84.25 to 84.30",
        "subheadings": [
          {
            "code": "843110",
            "description": "Of machinery of heading 84.25"
          },
          {
            "code": "843120",
            "description": "Of machinery of heading 84.27"
          },
          {
            "code": "843131",
            "description": "Of machinery of heading 8428: Of lifts, skip hoists or escalators"
          },
          {
            "code": "843139",
            "description": "Of machinery of heading 8428: Other"
          },
          {
            "code": "843141",
            "description": "Of machinery of heading 8426, 8429 or 8430: Buckets, shovels, grabs and grips"
          }
        ]
      }
    ],
    "previous": {
      "code": "83",
      "description": "Miscellaneous articles of base metal",
      "indexable": true
    },
    "next": {
      "code": "85",
      "description": "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",
      "indexable": true
    },
    "schedules": [
      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1706,
        "members": 1
      }
    ],
    "provenance": [
      {
        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
        "origin": "upload",
        "sourceUrls": []
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  "code": "84",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "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.",
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