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Home › Chapter 84 › Heading 8408

HS Heading 8408 : Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)

HEADING DEFINITION & DISAMBIGUATION

HS Heading 8408 encompasses compression-ignition internal combustion piston engines (diesel or semi-diesel engines). It classifies 3 6-digit WCO subheadings within Chapter 84 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
8408
Subheadings
3 HS6
Status
Verified 2026

Subheadings Under Heading 8408

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
8408.10 Marine propulsion engines 84 View 8408.10 Package →
8408.20 Engines of a kind used for the propulsion of vehicles of chapter 87 84 View 8408.20 Package →
8408.90 Other engines 84 View 8408.90 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 8408

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 8408 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 8408 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 8408 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 8408?
HS Heading 8408 covers Compression-ignition internal combustion piston engines (diesel or semi-diesel engines), grouping 3 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 8408?
Subheadings under Heading 8408 range from 8408.11 to 8408.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 8408?
US MFN general duty rates for Heading 8408 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 8408?
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 8408?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 8408?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 8408 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 8408?
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 8408?
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 8408?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.