HS 843790 Parts

Quick Answer: Parts for machinery of heading 8437 enter the UK duty-free, the EU at 1.70% ad valorem, and the US with rates ranging from Free to 35% ad valorem. This classification specifically covers components and spare parts for machines used in the sowing, planting, and fertilizing of soil, as well as for machines used in the harvesting of agricultural products. Importers should carefully verify the specific part's function to ensure correct classification, as components for different sub-categories within 8437 may have varying duty treatments. According to CustomTariffs data, understanding these jurisdictional differences is crucial for accurate landed cost calculations and compliance.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
8437900000 0.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
8437900000 1.70 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
8437900010 ["No."]
84379000 Free
8437900090 ["No."]

Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).

Data compiled and presented by HSRates.

How Has Trade Volume Developed?

Trade Volume 2023

US$58.4M
ImportsExports

How to Classify This HS Code?

What products does HS 843790 cover?

This subheading covers parts and accessories specifically designed for use with machinery of heading 8437, which pertains to machines for the cleaning, sorting, or grading of seeds, grain, or dried leguminous vegetables, and similar machinery used in the food industry. According to the WCO Harmonized System Explanatory Notes and definitions found in official tariff schedules like the USITC Harmonized Tariff Schedule (HTS) and the EU TARIC, this includes components such as sieves, screens, conveyors, motors, and frames that are integral to the functioning of these specialized agricultural and food processing machines.

What falls outside HS 843790?

The following products are excluded from HS 843790: general-purpose parts that could be used in a variety of machines, not exclusively those of heading 8437, and complete machines of heading 8437 themselves. For instance, standard bolts, nuts, and generic electrical components not specifically manufactured for seed cleaning or grain sorting machinery would be classified elsewhere. Similarly, finished products like bags of paper or plastic used for packaging the processed goods, or separate cleaning agents, are not considered parts of the machinery.

What are common classification mistakes for HS 843790?

A common error is the misclassification of components that are not exclusively designed for machines of heading 8437. General-purpose parts, such as standard bearings or common fasteners, should be classified according to their own specific HS headings, often under Chapter 84 or Chapter 73, rather than under 843790. This is in line with General Rule of Interpretation (GRI) 1, which states that classification shall be determined according to the terms of the headings and any relative section or chapter notes.

How should importers classify products under HS 843790?

The correct procedure for classifying parts under HS 843790 involves a thorough examination of the product's intended use and design. Importers and customs brokers must verify that the part is specifically manufactured for and exclusively used with machinery falling under heading 8437. Consulting the official Explanatory Notes of the WCO Harmonized System and the specific tariff schedule of the importing country, such as the EU TARIC database or the USITC HTS, is crucial for accurate determination.

How is the duty calculated for products under HS 843790?

A set of 50 specialized sieves, designed for a grain sorting machine, with a declared customs value of $1,500 USD, would attract a US duty of $150.00. This is calculated using the Most Favored Nation (MFN) duty rate of 10% ad valorem, applied to the declared value ($1,500 USD × 10% = $150.00). This rate is published in the USITC Harmonized Tariff Schedule, specifically under HTS subheading 8437.90.0000.

Which trade agreements reduce duties for HS 843790?

Several free trade agreements may reduce the applicable duty rate for HS 843790, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying originating goods from Canada and Mexico. Additionally, preferential rates may be available under the Generalized System of Preferences (GSP) for eligible developing countries, potentially offering a reduced rate or Free entry. To claim these preferences, importers typically require a self-certified origin statement for USMCA or a GSP Form A for GSP beneficiaries, depending on the specific jurisdiction and agreement.

Which HS Codes Are Related?

Not the right code? Search all HS codes to find the correct tariff classification.

FAQ

What are the typical import duty rates for HS code 843790 (Parts of machinery for the agricultural, horticultural, forestry, poultry-keeping or breeding purposes)?

Import duty rates for HS code 843790 can vary significantly depending on the importing country and any applicable trade agreements. For example, under the US Harmonized Tariff Schedule (HTS), the general Most Favored Nation (MFN) duty rate is 1.70% ad valorem. However, preferential rates under trade agreements like the USMCA (United States-Mexico-Canada Agreement) may offer duty-free entry (0.00%) for qualifying goods. It is crucial to consult the specific tariff schedule of the importing country, such as the USITC HTS, EU TARIC, or UK Trade Tariff, for the most accurate and up-to-date rates applicable to your shipment.

How is the duty for HS code 843790 calculated, and can you provide an example?

The duty for HS code 843790 is typically calculated on an ad valorem basis, meaning it is a percentage of the declared customs value of the imported parts. For instance, if a shipment of parts for grain milling machinery (classified under 8437) has a customs value of $10,000 USD and the applicable MFN duty rate is 1.70%, the calculated duty would be $10,000 USD * 0.0170 = $170 USD. Some countries may also apply specific duties based on weight or quantity, or a combination of ad valorem and specific duties. Always verify the exact calculation method with the importing country's customs authority.

What documentation is typically required when importing parts classified under HS code 843790?

When importing parts under HS code 843790, standard import documentation is generally required. This includes a commercial invoice detailing the description, quantity, unit price, and total value of the parts; a packing list specifying the contents of each package; and a bill of lading or air waybill as the contract of carriage. Depending on the origin of the goods and any preferential trade agreements being claimed, a Certificate of Origin may also be necessary to prove eligibility for reduced or zero duties. Importers and customs brokers should also be prepared to provide technical specifications or diagrams if customs requires further clarification on the classification of the parts.

Are there specific classification criteria to ensure parts fall under HS code 843790 and not another heading?

Yes, the classification of parts under HS code 843790 requires that they are specifically designed for or adapted to use with the machinery of heading 8437 (which covers machinery for cleaning, sorting, or grading seed, grain, or dried leguminous vegetables; machinery used in the milling or other working of cereals or dried leguminous vegetables; and other machinery for the treatment of cereals or dried leguminous vegetables by processes other than heat-treatment). Parts that are general-purpose or not exclusively or principally intended for machinery of heading 8437 would be classified elsewhere. For example, a generic bolt or screw not specifically shaped or designed for a particular machine in 8437 would likely fall under a more general parts heading. Consulting the Explanatory Notes to the Harmonized System (WCO) and national tariff rulings is essential for precise classification.

How do trade agreements, such as the EU-UK Trade and Cooperation Agreement (TCA), affect duty rates for HS code 843790?

Trade agreements can significantly impact duty rates for HS code 843790. For instance, under the EU-UK TCA, goods originating in the EU and imported into the UK, or vice versa, may be eligible for preferential tariff treatment, potentially resulting in a 0.00% duty rate, provided they meet the rules of origin stipulated in the agreement. This means that the parts must be considered 'originating' from the respective territory. Importers must obtain and present a valid proof of origin, such as a declaration on origin, to the customs authorities to claim these preferential rates. Failure to meet the rules of origin will result in the standard MFN duty rates being applied.