HS 841630 Mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances

Quick Answer: Mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances imported under HS 841630 enter the UK at 0.00%, the EU at 1.70% ad valorem, and the US at a Free rate or 27.5% ad valorem, depending on the specific classification. This code covers automated systems designed to feed fuel, such as coal, into industrial furnaces or boilers, and to remove the resulting ash. Importers and customs brokers should verify the specific subheadings and any applicable preferential trade agreements, as duty rates can vary significantly. CustomTariffs aggregates this data, highlighting the importance of precise classification for accurate duty assessment.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
8416300000 0.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
8416300000 1.70 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
8416300000 Free ["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?

How to Classify This HS Code?

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What products does HS 841630 cover?

This subheading covers mechanical stokers designed for feeding fuel into furnaces or boilers, along with their integral mechanical components such as grates and ash dischargers. According to the World Customs Organization's Harmonized System Explanatory Notes and definitions found in official tariff schedules like the USITC Harmonized Tariff Schedule (HTS) and the EU's TARIC, these appliances are characterized by their automated or semi-automated operation for fuel delivery and ash removal, ensuring continuous combustion processes in industrial settings.

What falls outside HS 841630?

The following products are excluded from HS 841630: manually operated fuel feeding devices, separate ash conveyors not integrated with the stoker, and complete boiler or furnace units that may incorporate stokers but are classified under their respective headings. For instance, a complete industrial boiler with an integrated stoker would be classified under heading 8402, not solely under 8416. Similarly, standalone grates or ash removal systems not part of a mechanical stoker are typically classified elsewhere based on their specific function and construction.

What are common classification mistakes for HS 841630?

A common error is misclassifying components of a stoker system as separate articles or classifying complete boiler/furnace units under this subheading. This often arises from not adhering to General Rule of Interpretation (GRI) 3(b) for composite goods or GRI 1, which mandates classification based on the essential character of the good. For example, a mechanical stoker that is an integral part of a larger furnace should be classified with the furnace, not as a standalone stoker under 8416.30.

How should importers classify products under HS 841630?

The correct procedure for classifying products under HS 841630 involves a thorough examination of the product's design, function, and components. Importers and customs brokers must consult the official tariff schedule of the importing country, such as the USITC HTS or the UK Trade Tariff, and refer to the Explanatory Notes of the Harmonized System. Verification of whether the appliance is a mechanical stoker with integrated grates and ash dischargers is crucial for accurate classification.

How is the duty calculated for products under HS 841630?

A specific model of a traveling grate mechanical stoker, weighing 5,000 kg and declared at a customs value of $25,000 USD, would attract a US duty of $1,250. This is calculated using the Most Favored Nation (MFN) duty rate of 5.0% ad valorem, applied to the declared customs value ($25,000 USD × 0.05 = $1,250). This calculation is based on the rates published in the USITC Harmonized Tariff Schedule for HS code 8416.30.

Which trade agreements reduce duties for HS 841630?

Several free trade agreements may reduce the applicable duty rate for HS 841630, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying goods originating from Canada or Mexico. Documentation required to claim preference under USMCA typically involves a self-certified origin statement. While not directly applicable to this specific HS code for all countries, broader GSP schemes might offer reduced rates for eligible developing countries, requiring a GSP Form A.

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FAQ

What are the typical import duty rates for HS code 841630 (Mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances) in the United States?

For imports into the United States, the Most Favored Nation (MFN) duty rate for HS code 841630 is 1.70% ad valorem. However, preferential rates may apply under trade agreements. For instance, goods originating from countries with a Free Trade Agreement (FTA) with the U.S. might be eligible for duty-free entry. Always verify the specific country of origin and applicable trade agreements to determine the correct duty rate. You can consult the US International Trade Commission (USITC) Harmonized Tariff Schedule for detailed information.

How is the import duty for HS code 841630 calculated, and can you provide an example?

The import duty for HS code 841630 is typically calculated on an ad valorem basis, meaning it's a percentage of the declared value of the goods. For example, if the MFN duty rate is 1.70% and you import mechanical stokers valued at $10,000, the duty would be calculated as follows: $10,000 (value) × 0.0170 (duty rate) = $170.00. If the tariff also specifies a per-unit duty, the calculation would be the sum of the ad valorem duty and the per-unit duty, or whichever is higher, depending on the specific tariff provision. Always refer to the official tariff schedule for the exact calculation method.

What are the key classification criteria for goods falling under HS code 841630?

HS code 841630 covers mechanical stokers and their integral components like mechanical grates and mechanical ash dischargers. The primary classification criteria are that the appliance must be mechanical in nature and designed for the automatic feeding of fuel (stoking) into a furnace or boiler, and/or the automatic removal of ash. Appliances that are manually operated or do not perform these specific functions would likely be classified elsewhere. For precise classification, refer to the Explanatory Notes of the Harmonized System (HS) provided by the World Customs Organization (WCO) and the specific tariff schedule of the importing country.

What documentation is typically required when importing goods classified under HS code 841630?

When importing goods under HS code 841630, standard import documentation is generally required. This includes a commercial invoice, packing list, and bill of lading or air waybill. Crucially, a certificate of origin is often necessary to claim preferential duty rates under trade agreements. Depending on the importing country's regulations and the nature of the equipment, additional documents such as import permits, safety certifications, or manufacturer's declarations might be requested. It is advisable for importers and customs brokers to consult the specific import requirements of the destination country's customs authority.

Are there any specific trade agreements that commonly affect the duty rates for HS code 841630 for U.S. imports?

Yes, trade agreements can significantly impact duty rates for HS code 841630. For imports into the United States, agreements like the United States-Mexico-Canada Agreement (USMCA) or other Free Trade Agreements (FTAs) may provide for reduced or zero duty rates on goods originating from partner countries, provided they meet the rules of origin. Importers should always verify if their goods qualify for preferential treatment under any applicable trade agreements by checking the specific provisions and ensuring they have the necessary documentation, such as a valid Certificate of Origin. The USITC Harmonized Tariff Schedule provides details on preferential duty rates.