HS Heading 8433 : Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof
HEADING DEFINITION & DISAMBIGUATION
HS Heading 8433 encompasses harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof. It classifies 11 6-digit WCO subheadings within Chapter 84 under the Harmonized System [USITC HTS 2026].
Subheadings Under Heading 8433
| HS Code | WCO 6-Digit Subheading Description | Chapter | Operational Package |
|---|---|---|---|
| 8433.11 | Mowers for lawns, parks or sports grounds, Powered, with the cutting device rotating in a horizontal plane | 84 | View 8433.11 Package → |
| 8433.19 | Mowers for lawns, parks or sports grounds, Other | 84 | View 8433.19 Package → |
| 8433.20 | Other mowers, including cutter bars for tractor mounting | 84 | View 8433.20 Package → |
| 8433.30 | Other haymaking machinery | 84 | View 8433.30 Package → |
| 8433.40 | Straw or fodder balers, including pick-up balers | 84 | View 8433.40 Package → |
| 8433.51 | Other harvesting machinery; threshing machinery, Combine harvester-threshers | 84 | View 8433.51 Package → |
| 8433.52 | Other harvesting machinery; threshing machinery, Other threshing machinery | 84 | View 8433.52 Package → |
| 8433.53 | Other harvesting machinery; threshing machinery, Root or tuber harvesting machines | 84 | View 8433.53 Package → |
| 8433.59 | Other harvesting machinery; threshing machinery, Other | 84 | View 8433.59 Package → |
| 8433.60 | Machines for cleaning, sorting or grading eggs, fruit or other agricultural produce | 84 | View 8433.60 Package → |
| 8433.90 | Parts | 84 | View 8433.90 Package → |
DISAMBIGUATION & CLASSIFICATION GUIDE
How to Select the Correct Subheading Under Heading 8433
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 8433 ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
CBP e-Rulings database for Heading 8433 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 8433 Frequently Asked Questions (FAQ)
What commercial articles are grouped under HS Heading 8433?
HS Heading 8433 covers Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof, grouping 11 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 8433?
Subheadings under Heading 8433 range from 8433.11 to 8433.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 8433?
US MFN general duty rates for Heading 8433 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 8433?
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 8433?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 8433?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 8433 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 8433?
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 8433?
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 8433?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.