Parts for engines and motors, not elsewhere specified

US trade by year

US imports were $3.73B in the 12 months to Aug 2026, up 83% on the 12 months to Aug 2017. US exports were $1.15B, up 50%. In January 2022 the HS 2022 revision moved some goods between this code and 8549.21, 8549.29, 8549.31 and 3 more, so part of a change across the dashed line can be the revision. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Mexico
• India
• China
• Denmark
• All countries

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

The 3 largest suppliers had 53.4% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

• Price
• Freight and insurance
• Duty

Landed at a US port, Mexico was cheapest, at $4.27/kg: 29.0% below China.

Landed cost from Mexico fell 46% on a year earlier, to $4.27/kg, mostly on price: $7.80/kg then, $4.24/kg now.

How the market is shifting

India gained the most share: 16.1% of US imports over the last 12 months, up from 12.8% in the 12 months before. Mexico lost the most: 26.3%, down from 30.2%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Mexico
• India
• China
• Denmark
• All countries

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

1. February–March 2026 · Duty paid: India 50.1% → 11.2%, China 47.2% → 35.4%, all countries 19.2% → 9.0%.
   • Overhead Door Counterbalance Torsion Springs From India: Antidumping Duty and Countervailing Duty OrdersMar 4, 2026 · International Trade Administration
   • Overhead Door Counterbalance Torsion Springs From the People's Republic of China: Antidumping Duty Order and Countervailing Duty OrderJan 23, 2026 · International Trade Administration
   • Overhead Door Counterbalance Torsion Springs From India: Final Affirmative Countervailing Duty Determination and Final Affirmative Critical Circumstances DeterminationDec 31, 2025 · International Trade Administration
2. October 2025 · Duty paid: India 9.8% → 50.1%, all countries 13.1% → 20.6%.
   • Implementing Certain Tariff-Related Elements of the U.S.-EU Framework on an Agreement on Reciprocal, Fair, and Balanced TradeSep 25, 2025 · Office of the US Trade Representative
   • Implementing Certain Tariff-Related Elements of the United States-Japan AgreementSep 16, 2025 · International Trade Administration
   • Adoption and Procedures of the Section 232 Steel and Aluminum Tariff Inclusions ProcessAug 19, 2025 · Bureau of Industry and Security
3. March–June 2025 · Duty paid: India 0.0% → 9.3%, China 24.8% → 53.0%, Spain 0.4% → 10.5%, all countries 4.8% → 11.5%.
   • Imports of Automobiles, Automobile Parts, Civil Aircraft and Civil Aircraft Parts From the United Kingdom Under Executive Order 14309Jun 30, 2025 · International Trade Administration
   • Overhead Door Counterbalance Torsion Springs From India: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination, and Extension of Provisional MeasuresJun 2, 2025 · International Trade Administration
   • Overhead Door Counterbalance Torsion Springs From the People's Republic of China: Preliminary Affirmative Determination of Sales at Less Than Fair ValueJun 2, 2025 · International Trade Administration
4. July 2019 · Duty paid: China 8.9% → 21.5%.
5. October 2018 · Duty paid: China 0.0% → 9.1%.
   • Request for Comments Concerning Proposed Modification of Action Pursuant to Section 301: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and InnovationJul 17, 2018 · Office of the US Trade Representative

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. These are the 5 newest of 14. Search the Federal Register for 8412.90

• Linear Hydraulic Cylinders From Canada, China, India, Mexico, and South Korea, DeterminationsOct 14, 2026 · International Trade Commission
• Certain Linear Hydraulic Cylinders and Parts Thereof From the People's Republic of China, India, and Mexico: Initiation of Countervailing Duty InvestigationsSep 14, 2026 · International Trade Administration
• Certain Linear Hydraulic Cylinders and Parts Thereof From Canada, the People's Republic of China, India, the Republic of Korea, and Mexico: Initiation of Less-Than-Fair-Value InvestigationsSep 14, 2026 · International Trade Administration
• Request for Public Comments on the Proposed Implementation of Duties on Additional Aluminum, Steel, and Copper Derivative Articles Under Section 232Aug 6, 2026 · Bureau of Industry and Security
• Linear Hydraulic Cylinders From Canada, China, India, Mexico, and South Korea; Institution of Antidumping and Countervailing Duty Investigations and Scheduling of Preliminary Phase InvestigationsAug 4, 2026 · International Trade Commission

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 122 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

The biggest market outside the US is Germany, which imported $1.60B of this product in 2025, 3.2% of that from the US.

The US supplies 32.4% of imports into Canada, but under 10% into Germany, China and Denmark.

Of these, imports into Poland grew fastest: up 107% from 2024 to 2025.

Related products

Other products under heading 8412: engines and motors not elsewhere specified, and parts thereof. US trade over the 12 months to August 2026.