Harmonized Tariff Schedule of the United States · HTS code · HS 8408.10

8408.10.00

8408.10.00: Marine diesel engines: Compression-ignition internal combustion piston engines: marine propulsion engines

Marine diesel engines

Not declarable on its own: use one of its 6 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 8408 Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):
  2. 8408.10.00 Marine propulsion engines

What you pay

Importing into USA

Customs duty 2.5% standard rate depends on the country of origin
Additional duties and charges —
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—2.5%
US–Australia FTA AUAustraliaFree
US–Bahrain FTA BHBahrainFree
US–Chile FTA CLChileFree
US–Colombia TPA COColombiaFree
US–Israel FTA ILIsraelFree
US–Jordan FTA JOJordanFree
US–Korea FTA KRSouth KoreaFree
US–Morocco FTA MAMoroccoFree
US–Oman FTA OMOmanFree
CAFTA-DR PCosta Rica, Dominican Republic, El Salvador, Guatemala, Honduras, NicaraguaFree
US–Panama TPA PAPanamaFree
US–Peru TPA PEPeruFree
USMCA SCanada, MexicoFree
US–Singapore FTA SGSingaporeFree
Column 2Cuba, North Korea, Russia, Belarus35%

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

Subdivisions

  1. 8408.10.00 Marine propulsion engines 2.5%
  2. 8408.10.00.05 Not exceeding 111.9 kW No.
  3. 8408.10.00.15 Exceeding 111.9 kW but not exceeding 149.2 kW No.
  4. 8408.10.00.20 Exceeding 149.2 kW but not exceeding 223.8 kW No.
  5. 8408.10.00.30 Exceeding 223.8 kW but not exceeding 373 kW No.
  6. 8408.10.00.40 Exceeding 373 kW but not exceeding 746 kW No.
  7. 8408.10.00.50 Exceeding 746 kW No.

Same subheading in other tariffs

8408.10 Compression-ignition internal combustion piston engines: marine propulsion engines

UK 2% Third-country duty 18 tariff lines EU Free – 2.7% Third-country duty 18 tariff lines · average 1.4% Türkiye Free – 2.7% Third-country duty 18 tariff lines · average 1.4% Canada Free Third-country duty 1 tariff line Mexico Free – 5% Third-country duty 2 tariff lines · average 2.5% Brazil 20% Third-country duty 2 tariff lines Argentina 12.6% Third-country duty 2 tariff lines Peru Free Third-country duty 1 tariff line New Zealand Free – 5% Third-country duty 4 tariff lines · average 2.5% Japan Free Third-country duty 1 tariff line Taiwan 5% Third-country duty 1 tariff line GCC 5% Third-country duty 1 tariff line Switzerland Free Third-country duty 1 tariff line Norway Free Third-country duty 6 tariff lines North Macedonia 15% Third-country duty 18 tariff lines Nigeria 10% Third-country duty 1 tariff line

Legal notes

Chapter notes: Chapter 84 →

In the Harmonized Tariff Schedule of the United States, 8408.10.00 is one of 1 line under subheading 8408.10, compression-ignition internal combustion piston engines.

The general duty is 2.5%.

6 statistical sub-lines below it are used in the declaration.

For the same subheading, the UK duty is 2%, the EU duty is 0%–2.7%, the Türkiye duty is 0%–2.7%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 20%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 15% and the Nigeria duty is 10%.

The United States imported goods of subheading 8408.10 worth US$175m in 2024; the largest supplier was Germany, and the United Kingdom ranked 3rd with US$20m.

Questions and answers

What is the USA import duty for HTS code 8408.10.00?

The general duty in the Harmonized Tariff Schedule of the United States is 2.5%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Is there a lower rate for 8408.10.00 under US trade agreements?

Yes. The Special column reads “Free (A, AU, BH, CL, CO,D,E, IL, JO, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.

Where does the United States import these goods from?

For subheading 8408.10 as a whole, the largest supplier in 2024 was Germany (US$76m), followed by Japan.

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Typical products

Everyday names, not part of the legal text.