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Home / Section XVI / HS 84.83

HS 84.83

Heading

Transmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings

HS Code 84.83 classifies "Transmission shafts (including cam and crank) and cranks, bearing housings and plain shaft bearings, gears and gearing, ball or roller screws, gear boxes and other speed changers, flywheels and pulleys, clutches and shaft couplings" under Section XVI (Machinery and Mechanical Appliances; Electrical Equipment). This heading-level code is used internationally for customs classification, tariff determination, and trade statistics.

Classification Details

HS Code84.83
DescriptionTransmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings
LevelHeading (4-digit)
SectionXVI — Machinery and Mechanical Appliances; Electrical Equipment
Chapter84

🇺🇸 US Import Duty

Average Duty Rate2%
Duty Range0-6%
NotesMachinery: computers 0%, engines 2.5%, turbines 2-3%
Free Trade AgreementsITA: 0% for many electronics. Most FTAs: 0%

Rates are approximate and based on MFN (Most Favored Nation) tariffs. Actual rates may vary by specific product classification. Always verify with USITC for official rates.

Classification Guide

When classifying goods under HS 84.83, ensure the product matches the specific description. This is a heading-level code. For customs declaration, you may need the more specific 6-digit subheading. Check with your national customs authority for additional digits required.

Trade Context

Section XVI covers machinery, electrical equipment, and electronics — the highest value trade category.

Regulatory Note

Electronics and machinery represent the largest share of global trade. Export controls may apply to dual-use technology.

🇺🇸 US Import Document Checklist

Documents required when importing products under HS 84.83 into the United States.

Required for All Imports

☑Commercial InvoiceCBP
Detailed invoice from the seller showing product description, quantity, unit price, total value, and terms of sale (Incoterms).
☑Packing ListCBP
Itemized list of contents in each package, including weights, dimensions, and marks/numbers matching the shipping containers.
☑Bill of Lading (B/L) or Airway BillCarrier
Transport document issued by the carrier confirming receipt of goods for shipment. Acts as a contract of carriage and receipt.
☑CBP Entry Summary (Form 7501)CBP
The formal customs declaration filed with US Customs and Border Protection for all commercial imports.
☑Importer Security Filing (ISF/10+2)CBP
Must be filed at least 24 hours before ocean cargo is loaded. Required for all ocean shipments to the US.
☑Customs BondCBP
A financial guarantee ensuring payment of duties, taxes, and fees. Required for commercial shipments over $2,500.

Product-Specific Requirements

📋FCC Declaration of ConformityMay be required

Required for electronic/electrical equipment that may emit radio frequency energy.

Agency: FCC

📋UL/NRTL CertificationMay be required

Safety certification for electrical equipment. Not legally required but practically necessary for sale.

Agency: OSHA/NRTL

📋Energy Star / DOE ComplianceMay be required

Certain appliances must meet Department of Energy efficiency standards.

Agency: DOE

FTA Certificate of Origin (for preferential rates)

🤝USMCA Certificate of Origin — self-certification by importer, exporter, or producer. No prescribed format.
🤝Korea-US FTA Certificate of Origin — can be issued by importer, exporter, or producer.

This checklist is for general guidance only. Actual requirements may vary based on specific product, country of origin, and current regulations. Always consult with a licensed customs broker or the relevant agency for official requirements.

Sub-Classifications

8483.10Transmission shafts (including cam shafts and crank shafts) and cranksSubheading8483.20Bearing housings, incorporating ball or roller bearingsSubheading8483.30Bearing housings, not incorporating ball or roller bearings and plain shaft bearingsSubheading8483.40Gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque convertersSubheading8483.50Pulleys and flywheels, including pulley blocksSubheading8483.60Clutches and shaft couplings (including universal joints)Subheading8483.90Transmission components; toothed wheels, chain sprockets and other transmission elements presented separately; partsSubheading

Related HS Codes

84.01Nuclear reactors; fuel elements (cartridges), non-irradiated8401.10Nuclear reactors8401.20Machinery and apparatus; for isotopic separation, and parts 8401.30Fuel elements (cartridges); non-irradiated8401.40Nuclear reactors; parts thereof84.02Boilers; steam or other vapour generating (other than centra8402.11Boilers; watertube boilers with a steam production exceeding8402.12Boilers; watertube boilers with a steam production not excee

Related Data Resources

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Frequently Asked Questions

What is HS Code 84.83?
HS Code 84.83 classifies "Transmission shafts (including cam and crank) and cranks, bearing housings and plain shaft bearings, gears and gearing, ball or roller screws, gear boxes and other speed changers, flywheels and pulleys, clutches and shaft couplings" under Section XVI (Machinery and Mechanical Appliances; Electrical Equipment). This heading-level code is used internationally for customs classification, tariff determination, and trade statistics.
What products fall under HS 84.83?
HS Code 84.83 covers: Transmission shafts (including cam and crank) and cranks, bearing housings and plain shaft bearings, gears and gearing, ball or roller screws, gear boxes and other speed changers, flywheels and pulleys, clutches and shaft couplings. This is a broad category that includes more specific subcategories. Browse the child codes below for detailed product classifications.
How do I use HS Code 84.83 for customs?
When classifying goods under HS 84.83, ensure the product matches the specific description. This is a heading-level code. For customs declaration, you may need the more specific 6-digit subheading. Check with your national customs authority for additional digits required.
What are the trade regulations for Machinery and Mechanical Appliances; Electrical Equipment?
Electronics and machinery represent the largest share of global trade. Export controls may apply to dual-use technology.
Is HS 84.83 the same in every country?
The first 6 digits of HS codes are standardized worldwide by the World Customs Organization (WCO). However, most countries add additional digits (8-10 total) for their national tariff schedules. Always verify the full code with your destination country's customs authority.
What is the US import duty for HS 84.83?
The average US import duty for products under HS 84.83 is approximately 2% (range: 0-6%). ITA: 0% for many electronics. Most FTAs: 0% Note: actual rates depend on the specific product classification and country of origin. Verify with USITC for official rates.
Can I get a lower tariff rate under a Free Trade Agreement?
ITA: 0% for many electronics. Most FTAs: 0%. The US has FTAs with 20 countries including Canada, Mexico (USMCA), South Korea (KORUS), Australia, and others. To qualify for preferential rates, goods must meet rules of origin requirements and have proper documentation (e.g., Certificate of Origin).

Data verified March 2026 · Source: UN Comtrade & USITC

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