HomeChapter 84Heading 8483

HS Heading 8483 : 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

HEADING DEFINITION & DISAMBIGUATION

HS Heading 8483 encompasses 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. It classifies 7 6-digit WCO subheadings within Chapter 84 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
8483
Subheadings
7 HS6
Status
Verified 2026

Subheadings Under Heading 8483

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
8483.10 Transmission shafts (including camshafts and crankshafts) and cranks 84 View 8483.10 Package →
8483.20 Housed bearings, incorporating ball or roller bearings 84 View 8483.20 Package →
8483.30 Bearing housings; plain shaft bearings 84 View 8483.30 Package →
8483.40 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 84 View 8483.40 Package →
8483.50 Flywheels and pulleys, including pulley blocks 84 View 8483.50 Package →
8483.60 Clutches and shaft couplings (including universal joints) 84 View 8483.60 Package →
8483.90 Toothed wheels, chain sprockets and other transmission elements presented separately; parts 84 View 8483.90 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 8483

Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.

Official Primary Sources & Authority References

USITC HTS Heading 8483 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 8483 precedent rulings.

WCO Nomenclature ↗

World Customs Organization Harmonized System 2022 nomenclature standard.

U.S. Census Foreign Trade ↗

U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.

Heading 8483 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 8483?
HS Heading 8483 covers 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, grouping 7 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 8483?
Subheadings under Heading 8483 range from 8483.11 to 8483.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 8483?
US MFN general duty rates for Heading 8483 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 8483?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 8483?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 8483?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 8483 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 8483?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 8483?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 8483?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.