HS Code 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
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for 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 is 8483.40. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is Free [USITC HTS 2026].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 84
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 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
Subheading .40
.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
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United States (USITC HTS 2026)
8483.40
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Federal Import VAT / GST
0.00%
US Has NO Federal VAT
Notice: Duty rates and trade remedies change frequently (Section 301, Section 232, anti-dumping orders, de minimis thresholds). Duty calculations are estimates for informational purposes only. Always verify exact rates with U.S. Customs and Border Protection (CBP) or a licensed customs broker prior to import.
TRACK THIS HS CODE
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8483.40
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 8483.40.
MODULE 6: Mandatory Customs Entry Document Matrix
Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
UNIVERSAL DOCUMENT
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
PREFERENTIAL RULE
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
Standard Entry
This commodity does not carry mandatory PGA pre-clearance flags under the ACE message set.
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
China Section 301 Tariff Status
7.5% – 25% Additional Duty (China Origin)
Section 232 Steel/Aluminum Status
Exempt (Non-Metal Commodity)
EU CBAM Carbon Alert
Not in Scope
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for 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
MODULE 11: Official CBP CROSS Binding Classification Rulings
No ruling cached for HS 8483.40.
Query the live U.S. Customs and Border Protection e-Rulings database:
Search Live CBP CROSS Database for 8483.40 →US National HTS Tariff Lines (8483.40)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 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 | Free | Free | Rate on request | — |
| 8483.40.10.00 | 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 | Free | Free | 27.5% | No. |
| 8483.40.30 | 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 | Free | Free | 27.5% | — |
| 8483.40.30.40 | 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, 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 | Free | Free | Rate on request | No. |
| 8483.40.30.80 | 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 | Free | Free | Rate on request | No. |
| 8483.40.50 | 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 | 2.5% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% | — |
| 8483.40.50.10 | 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 | Free | Free | Rate on request | No. |
| 8483.40.50.20 | 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 | Free | Free | Rate on request | No. |
| 8483.40.50.80 | 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 | Free | Free | Rate on request | No. |
| 8483.40.70.00 | 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 | 25¢ each + 3.9% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | $4.50 each + 65% | No. |
| 8483.40.80.00 | 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 | 3.8% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | No. |
| 8483.40.90.00 | 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, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately | 2.5% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% | No. |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8483.10 | Subheading under Heading 8483 | Compare Subheading 8483.10 → |
| 8483.20 | Subheading under Heading 8483 | Compare Subheading 8483.20 → |
| 8483.30 | Subheading under Heading 8483 | Compare Subheading 8483.30 → |
| 8483.50 | Subheading under Heading 8483 | Compare Subheading 8483.50 → |
| 8483.60 | Subheading under Heading 8483 | Compare Subheading 8483.60 → |
| 8483.90 | Subheading under Heading 8483 | Compare Subheading 8483.90 → |
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
U.S. Census NAICS Code
U.S. Census Schedule B (Exports)
Official Primary Sources & Authority References
USITC HTS Chapter 84 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for 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.
CBP CROSS Ruling Database (8483.40) ↗
Binding customs classification precedents for Heading 8483.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for 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?
Under WCO Harmonized System 2022 and United States (USITC HTS), 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 is classified under HS 8483.40 (Heading 8483, Chapter 84). The representative US MFN general duty rate is Free.
How is HS 8483.40 distinguished within 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 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. Subheading 8483.40 specifically isolates 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. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 8483.
What are the primary candidate subheadings related to HS 8483.40?
Related subheadings under Heading 8483 include 8483.10, 8483.20, 8483.30, 8483.50, 8483.60, 8483.90. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import 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?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 8483.40 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of 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?
Commercial shipments of 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 with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 8483.40?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What U.S. Census NAICS industry code corresponds to HS 8483.40?
HS 8483.40 maps to NAICS code 336350 (Motor Vehicle Parts Manufacturing) under official U.S. Census Bureau trade concordance tables.
Does the United States assess federal VAT or GST on imports of HS 8483.40?
No. The United States does NOT charge a federal Value-Added Tax (VAT) or Goods and Services Tax (GST) on imports. Importers pay customs duty + MPF + HMF (if ocean freight).
How are Merchandise Processing Fee (MPF) and Harbor Maintenance Fee (HMF) calculated?
MPF is assessed at 0.3464% of entered value (min $32.71, max $634.62 per entry). HMF is assessed at 0.125% on ocean freight shipments entering US ports.
What is the Section 321 de minimis duty-free threshold for HS 8483.40?
Under Section 321 (19 U.S.C. 1321), eligible shipments valued at $800 USD or less imported by one person on one day enter duty-free and tax-free.
What U.S. Customs bond requirements apply to commercial entries under HS 8483.40?
Formal entries with customs value exceeding $2,500 USD require a continuous customs entry bond (CBP Form 301) to guarantee payment of duties, taxes, and fees.
What Importer Security Filing (ISF 10+2) rules apply to ocean imports of HS 8483.40?
Ocean container shipments bound for US ports require electronic ISF 10+2 submission via ACE at least 24 hours before loading at foreign ports.
How do USMCA preference rules apply to commercial imports under HS 8483.40?
Qualifying originating goods from Canada or Mexico meeting USMCA tariff-shift or Regional Value Content (RVC) rules enter duty-free under SPI code 'P'.