HS 840890 Other engines

Quick Answer: Other engines imported under HS 840890 enter the UK at 4.00%, the EU at 4.20%, and the US at rates ranging from Free to 35% ad valorem. This classification covers internal combustion piston engines, other than those specifically listed in preceding headings of Chapter 84, such as those for vehicles, aircraft, or marine propulsion. This includes engines designed for use in industrial machinery, agricultural equipment, and portable generators. Importers should note the significant duty rate variation in the US, necessitating careful verification of the specific engine type and its intended application against the US Harmonized Tariff Schedule. 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
8408906720 4.00 % — —
8408906790 4.00 % — —
8408908100 — — —
8408908110 — — —
8408908190 4.00 % — —

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
8408904190 4.20 % — —
8408904300 — — —
8408900000 — — —
8408902100 4.20 % — —
8408902700 — — —

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
8408901040 — — ["No."]
8408901080 — — ["No."]
8408909010 — — ["No."]
84089010 Free — —
8408909020 — — ["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 to Classify This HS Code?

```html

What products does HS 840890 cover?

This subheading covers "Other engines" not elsewhere specified within Heading 8408, which pertains to internal combustion piston engines. According to the World Customs Organization's Harmonized System Nomenclature, this category encompasses engines that are not specifically listed under subheadings for marine propulsion, aircraft, or vehicles. For instance, stationary engines used in industrial machinery, agricultural equipment, or portable generators that do not fit into more specific classifications would fall here. The USITC Harmonized Tariff Schedule (HTS) and the EU's TARIC database provide further detail on the precise scope, generally including engines with a cylinder capacity not exceeding 50 cm³ if for spark-ignition or not exceeding 500 cm³ if for compression-ignition, when not designed for vehicles or aircraft.

What falls outside HS 840890?

The following products are excluded from HS 840890: internal combustion piston engines designed specifically for the propulsion of vehicles of Chapter 87 (e.g., car engines, motorcycle engines), aircraft engines (HS 8407), and marine propulsion engines (HS 840810). Additionally, electric motors (Chapter 85) and steam or other vapor turbines (HS 8406) are classified elsewhere. For example, a diesel engine for a truck would be classified under a more specific heading for vehicle engines, not under 840890, and a small electric motor for a fan would fall under HS 8501.

What are common classification mistakes for HS 840890?

A common error is misclassifying engines based on their intended application rather than their inherent design characteristics, particularly when they could be adapted for multiple uses. For instance, classifying a general-purpose engine that is not specifically designed for a vehicle or marine application under a vehicle engine code. General Interpretative Rule 1 and Rule 3 of the Harmonized System are crucial here, emphasizing that classification is determined by the terms of the headings and any relative Section or Chapter Notes. Importers may also incorrectly classify engines that are part of a larger machine, failing to recognize that the engine itself might be classifiable separately if it meets the criteria for 840890.

How should importers classify products under HS 840890?

The correct procedure for classifying engines under HS 840890 involves a detailed examination of the engine's specifications and intended use, referencing official tariff schedules. Importers and customs brokers must first determine if the engine is an internal combustion piston engine. Subsequently, they must ascertain if it is specifically designed for vehicles, aircraft, or marine propulsion. If it is not, and it does not fall under any other more specific heading within 8408, then 840890 is the appropriate classification. Consulting the Explanatory Notes to the Harmonized System and the specific national tariff schedules, such as the USITC HTS or EU TARIC, is essential for accurate determination.

How is the duty calculated for products under HS 840890?

A single-cylinder, air-cooled gasoline engine weighing 15 kg, declared at a customs value of $300 USD, would attract a US duty of $15.00. This is calculated using the Most Favored Nation (MFN) duty rate of 5% ad valorem, as published in the USITC Harmonized Tariff Schedule for HS code 840890. The calculation is: 5% of $300 USD = $15.00. If the engine were subject to a specific duty, such as $1 per kg, the duty would be $15.00 (1 kg × $15). The final duty is the higher of the two if both apply, but for this example, the ad valorem rate dictates the amount.

Which trade agreements reduce duties for HS 840890?

Several free trade agreements may reduce the applicable duty rate for HS 840890, including the United States-Mexico-Canada Agreement (USMCA) and the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). Under USMCA, engines originating from Canada or Mexico may be eligible for Free (0%) duty. For CPTPP, originating engines from countries like Japan or Singapore could also benefit from preferential rates, potentially Free. To claim these preferences, a self-certified origin statement or a Certificate of Origin is typically required, depending on the specific agreement and jurisdiction. Documentation requirements are jurisdiction-specific and must be meticulously followed.

```

Which HS Codes Are Related?

HS 840790 HS 842890 HS 840910 HS 840820 HS 840810 HS 840710

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 840890, covering 'Other engines'?

Import duty rates for HS code 840890, which encompasses 'other engines' not specified elsewhere in heading 8408, vary significantly by country and trade agreement. For example, the United States applies a Most Favored Nation (MFN) duty rate of 4.20% ad valorem. The European Union, under the TARIC system, may have rates ranging from free to higher percentages depending on the specific engine type and origin. The UK Trade Tariff also shows varied rates, often around 4.00% ad valorem for goods from non-preferential sources. It is crucial to consult the specific tariff schedule of the importing country for the exact rate applicable to your shipment.

How is the import duty for HS 840890 calculated, and can you provide an example?

The import duty for HS code 840890 is typically calculated on an ad valorem basis, meaning it's a percentage of the declared customs value of the goods. For instance, if a shipment of 'other engines' valued at $10,000 USD is imported into the United States, and the MFN duty rate is 4.20%, the duty would be calculated as: $10,000 (Value) × 0.0420 (Duty Rate) = $420.00 (Duty Amount). Some engines might also be subject to specific duties based on weight or other units, so always verify the basis of duty calculation in the importing country's tariff.

What are the key classification criteria to ensure an engine is correctly classified under HS 840890 as 'Other engines'?

HS code 840890 is a residual category for internal combustion piston engines and rotary combustion piston engines that are not specifically covered by other subheadings within heading 8408. This typically includes engines designed for specific applications not listed elsewhere, such as certain types of auxiliary engines, engines for specialized machinery, or engines that do not fit the more specific descriptions of spark-ignition or compression-ignition engines for vehicles, aircraft, or marine propulsion. To ensure correct classification, importers must refer to the Explanatory Notes of the Harmonized System (WCO) and the specific tariff rulings of the importing country. Key considerations include the engine's power source, its intended use, and whether it meets the criteria for more specific headings or subheadings.

Which common trade agreements can affect the duty rates for HS code 840890, and how can importers benefit?

Several trade agreements can significantly reduce or eliminate duties for HS code 840890. For example, goods originating from countries that are part of the United States-Mexico-Canada Agreement (USMCA) may benefit from preferential duty rates when imported into the US, Canada, or Mexico, potentially reaching 'Free' status. Similarly, the EU has numerous Free Trade Agreements (FTAs) with partner countries that can offer reduced or zero duties under TARIC. Importers can benefit by obtaining a valid Certificate of Origin from the exporter, demonstrating that the engines meet the rules of origin stipulated in the relevant trade agreement. This documentation is crucial for claiming preferential treatment and reducing landed costs.

What documentation is typically required for importing engines classified under HS 840890?

Beyond the standard import documentation such as a commercial invoice, packing list, and bill of lading/air waybill, importing engines under HS 840890 may require specific certifications. Depending on the importing country's regulations and the engine's intended use, this could include emissions compliance certificates (e.g., EPA certification for the US), safety certifications, or proof of origin for preferential duty claims. For engines that are part of a larger piece of machinery, the classification might shift, so a detailed description of the engine's function and its relation to the complete unit is essential. Consulting with a customs broker or the importing country's customs authority is recommended to ensure all necessary documents are prepared.