{ "summary": "The United States tariff splits HS 8483.40 (gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters) into 9 national lines: 8483.40.10.00 (torque converters), 8483.40.30.40 (fixed ratio speed changers), 8483.40.30.80 (other), 8483.40.50.10 (fixed ratio speed changers) and 5 others.", "updatedAt": "2026-10-09", "facts": [ { "label": "HS subheading", "value": "8483.40", "source": null, "url": "https://border.bot/hs-codes/848340" }, { "label": "National lines", "value": "9", "source": null }, { "label": "Tariff", "value": "United States", "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false", "url": "https://border.bot/countries/united-states" }, { "label": "Chapter", "value": "84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof", "source": null } ], "faq": [ { "question": "How many national tariff lines does the United States tariff have under HS 8483.40?", "answer": "The United States tariff splits HS 8483.40 (gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters) into 9 national lines: 8483.40.10.00 (torque converters), 8483.40.30.40 (fixed ratio speed changers), 8483.40.30.80 (other), 8483.40.50.10 (fixed ratio speed changers) and 5 others." } ], "sections": [ { "id": "covers", "title": "United States lines under 8483.40", "text": [ "The United States tariff splits HS 8483.40 (gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters) into 9 national lines: 8483.40.10.00 (torque converters), 8483.40.30.40 (fixed ratio speed changers), 8483.40.30.80 (other), 8483.40.50.10 (fixed ratio speed changers) and 5 others." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 8483.40 yet." ] }, { "id": "sources", "title": "Sources and updates", "text": [ "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." ] } ], "data": { "type": "country-subheading", "country": { "code": "US", "name": "United States", "slug": "united-states" }, "schedule": { "code": "US", "name": "United States", "slug": "united-states" }, "borrowed": false, "localTaxes": [], "localDeminimis": [], "ratesLive": true, "provenance": [ { "dataset": "US:hs", "country": "US", "kind": "hs", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:50.043Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] }, { "dataset": "US:rates", "country": "US", "kind": "rates", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:36.287Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] }, { "dataset": "US:programmes", "country": "US", "kind": "programmes", "seq": 1, "version": "2026HTSRev21", "liveAt": "2026-10-09T21:15:58.040Z", "origin": "source", "sourceUrls": [ "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false" ] } ], "dateModified": "2026-10-09T21:15:58.040Z", "chapter": { "code": "84", "description": "Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof" }, "heading": { "code": "8483", "description": "Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof" }, "subheading": { "code": "848340", "description": "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters" }, "lines": [ { "code": "8483401000", "description": "Torque converters", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Torque converters" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "8483401000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "8483403040", "description": "Fixed ratio speed changers", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation", "Imported for use with machines for making cellulosic pulp, paper or paperboard", "Fixed ratio speed changers" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "84834030", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "8483403080", "description": "Other", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation", "Imported for use with machines for making cellulosic pulp, paper or paperboard", "Other" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "84834030", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "8483405010", "description": "Fixed ratio speed changers", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation", "Other", "Fixed ratio speed changers" ], "english": null, "keywords": [ "Used fixed ratio speed changers" ], "lang": "en", "general": { "code": "84834050", "dutyText": "2.5%", "startDate": null, "endDate": null, "unit": null }, "preferences": [ { "dutyText": "Free", "origins": [ { "code": "A*", "label": "a group of origins (origin group A*)" }, { "code": "AU", "label": "United States-Australia Free Trade Agreement" }, { "code": "BH", "label": "United States-Bahrain Free Trade Agreement Implementation Act" }, { "code": "CL", "label": "United States-Chile Free Trade Agreement" }, { "code": "CO", "label": "United States-Colombia Trade Promotion Agreement Implementation Act" }, { "code": "D", "label": "African Growth and Opportunity Act" }, { "code": "E", "label": "Caribbean Basin Economic Recovery Act" }, { "code": "IL", "label": "United States-Israel Free Trade Area" }, { "code": "JO", "label": "United States-Jordan Free Trade Area Implementation Act" }, { "code": "KR", "label": "United States-Korea Free Trade Agreement Implementation Act" }, { "code": "MA", "label": "United States-Morocco Free Trade Agreement Implementation Act" }, { "code": "OM", "label": "United States-Oman Free Trade Agreement Implementation Act" }, { "code": "P", "label": "Dominican Republic-Central America-United States Free Trade Agreement" }, { "code": "PA", "label": "United States-Panama Trade Promotion Agreement Implementation Act" }, { "code": "PE", "label": "United States-Peru Trade Promotion Agreement Implementation Act" }, { "code": "S", "label": "United States-Mexico-Canada Agreement" }, { "code": "SG", "label": "United States-Singapore Free Trade Agreement" } ] } ], "measures": [], "restrictions": [] }, { "code": "8483405020", "description": "Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation", "Other", "Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter" ], "english": null, "keywords": [ "Used fixed ratio speed changers" ], "lang": "en", "general": { "code": "84834050", "dutyText": "2.5%", "startDate": null, "endDate": null, "unit": null }, "preferences": [ { "dutyText": "Free", "origins": [ { "code": "A*", "label": "a group of origins (origin group A*)" }, { "code": "AU", "label": "United States-Australia Free Trade Agreement" }, { "code": "BH", "label": "United States-Bahrain Free Trade Agreement Implementation Act" }, { "code": "CL", "label": "United States-Chile Free Trade Agreement" }, { "code": "CO", "label": "United States-Colombia Trade Promotion Agreement Implementation Act" }, { "code": "D", "label": "African Growth and Opportunity Act" }, { "code": "E", "label": "Caribbean Basin Economic Recovery Act" }, { "code": "IL", "label": "United States-Israel Free Trade Area" }, { "code": "JO", "label": "United States-Jordan Free Trade Area Implementation Act" }, { "code": "KR", "label": "United States-Korea Free Trade Agreement Implementation Act" }, { "code": "MA", "label": "United States-Morocco Free Trade Agreement Implementation Act" }, { "code": "OM", "label": "United States-Oman Free Trade Agreement Implementation Act" }, { "code": "P", "label": "Dominican Republic-Central America-United States Free Trade Agreement" }, { "code": "PA", "label": "United States-Panama Trade Promotion Agreement Implementation Act" }, { "code": "PE", "label": "United States-Peru Trade Promotion Agreement Implementation Act" }, { "code": "S", "label": "United States-Mexico-Canada Agreement" }, { "code": "SG", "label": "United States-Singapore Free Trade Agreement" } ] } ], "measures": [], "restrictions": [] }, { "code": "8483405080", "description": "Other", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation", "Other", "Other" ], "english": null, "keywords": [ "Used fixed ratio speed changers" ], "lang": "en", "general": { "code": "84834050", "dutyText": "2.5%", "startDate": null, "endDate": null, "unit": null }, "preferences": [ { "dutyText": "Free", "origins": [ { "code": "A*", "label": "a group of origins (origin group A*)" }, { "code": "AU", "label": "United States-Australia Free Trade Agreement" }, { "code": "BH", "label": "United States-Bahrain Free Trade Agreement Implementation Act" }, { "code": "CL", "label": "United States-Chile Free Trade Agreement" }, { "code": "CO", "label": "United States-Colombia Trade Promotion Agreement Implementation Act" }, { "code": "D", "label": "African Growth and Opportunity Act" }, { "code": "E", "label": "Caribbean Basin Economic Recovery Act" }, { "code": "IL", "label": "United States-Israel Free Trade Area" }, { "code": "JO", "label": "United States-Jordan Free Trade Area Implementation Act" }, { "code": "KR", "label": "United States-Korea Free Trade Agreement Implementation Act" }, { "code": "MA", "label": "United States-Morocco Free Trade Agreement Implementation Act" }, { "code": "OM", "label": "United States-Oman Free Trade Agreement Implementation Act" }, { "code": "P", "label": "Dominican Republic-Central America-United States Free Trade Agreement" }, { "code": "PA", "label": "United States-Panama Trade Promotion Agreement Implementation Act" }, { "code": "PE", "label": "United States-Peru Trade Promotion Agreement Implementation Act" }, { "code": "S", "label": "United States-Mexico-Canada Agreement" }, { "code": "SG", "label": "United States-Singapore Free Trade Agreement" } ] } ], "measures": [], "restrictions": [] }, { "code": "8483407000", "description": "Other speed changers", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Gear boxes and other speed changers", "Other speed changers" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "8483407000", "dutyText": "25¢ each + 3.9%", "startDate": null, "endDate": null, "unit": null }, "preferences": [ { "dutyText": "Free", "origins": [ { "code": "A*", "label": "a group of origins (origin group A*)" }, { "code": "AU", "label": "United States-Australia Free Trade Agreement" }, { "code": "BH", "label": "United States-Bahrain Free Trade Agreement Implementation Act" }, { "code": "CL", "label": "United States-Chile Free Trade Agreement" }, { "code": "CO", "label": "United States-Colombia Trade Promotion Agreement Implementation Act" }, { "code": "D", "label": "African Growth and Opportunity Act" }, { "code": "E", "label": "Caribbean Basin Economic Recovery Act" }, { "code": "IL", "label": "United States-Israel Free Trade Area" }, { "code": "JO", "label": "United States-Jordan Free Trade Area Implementation Act" }, { "code": "KR", "label": "United States-Korea Free Trade Agreement Implementation Act" }, { "code": "MA", "label": "United States-Morocco Free Trade Agreement Implementation Act" }, { "code": "OM", "label": "United States-Oman Free Trade Agreement Implementation Act" }, { "code": "P", "label": "Dominican Republic-Central America-United States Free Trade Agreement" }, { "code": "PA", "label": "United States-Panama Trade Promotion Agreement Implementation Act" }, { "code": "PE", "label": "United States-Peru Trade Promotion Agreement Implementation Act" }, { "code": "S", "label": "United States-Mexico-Canada Agreement" }, { "code": "SG", "label": "United States-Singapore Free Trade Agreement" } ] } ], "measures": [], "restrictions": [] }, { "code": "8483408000", "description": "Ball or roller screws", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters", "Ball or roller screws" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "8483408000", "dutyText": "3.8%", "startDate": null, "endDate": null, "unit": null }, "preferences": [ { "dutyText": "Free", "origins": [ { "code": "A*", "label": "a group of origins (origin group A*)" }, { "code": "AU", "label": "United States-Australia Free Trade Agreement" }, { "code": "BH", "label": "United States-Bahrain Free Trade Agreement Implementation Act" }, { "code": "CL", "label": "United States-Chile Free Trade Agreement" }, { "code": "CO", "label": "United States-Colombia Trade Promotion Agreement Implementation Act" }, { "code": "D", "label": "African Growth and Opportunity Act" }, { "code": "E", "label": "Caribbean Basin Economic Recovery Act" }, { "code": "IL", "label": "United States-Israel Free Trade Area" }, { "code": "JO", "label": "United States-Jordan Free Trade Area Implementation Act" }, { "code": "KR", "label": "United States-Korea Free Trade Agreement Implementation Act" }, { "code": "MA", "label": "United States-Morocco Free Trade Agreement Implementation Act" }, { "code": "OM", "label": "United States-Oman Free Trade Agreement Implementation Act" }, { "code": "P", "label": "Dominican Republic-Central America-United States Free Trade Agreement" }, { "code": "PA", "label": "United States-Panama Trade Promotion Agreement Implementation Act" }, { "code": "PE", "label": "United States-Peru Trade Promotion Agreement Implementation Act" }, { "code": "S", "label": "United States-Mexico-Canada Agreement" }, { "code": "SG", "label": "United States-Singapore Free Trade Agreement" } ] } ], "measures": [], "restrictions": [] }, { "code": "8483409000", "description": "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately", "levels": [ "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; 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