Harmonized Tariff Schedule of the United States · HTS code · HS 8408.90

8408.90.10

8408.90.10: Other diesel engines: To be installed in agricultural or horticultural machinery or equipment

Other diesel engines

Not declarable on its own: use one of its 2 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. 8408.90 Other engines:
  3. 8408.90.10 To be installed in agricultural or horticultural machinery or equipment

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges 1 additional measure
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.

Additional duties and charges 1

  • Additional dutyRussia rate increase (Pub. L. 117-110) — Russian Federation (rates in lieu of column 2) 35%
    Applies to goods from
    Russia
    In force
    from 28 June 2022
    Legal act
    HTSUS 9903.90.08

Subdivisions

  1. 8408.90.10 To be installed in agricultural or horticultural machinery or equipment Free
  2. 8408.90.10.40 Not exceeding 37.3 kW No.
  3. 8408.90.10.80 Exceeding 37.3 kW No.

Footnotes

  • 9903.90.08 Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter

Same subheading in other tariffs

8408.90 Compression-ignition internal combustion piston engines: other engines

UK 4% Third-country duty 26 tariff lines EU 4.2% Third-country duty 12 tariff lines Türkiye Free – 4.2% Third-country duty 23 tariff lines · average 2.2% Canada Free General (MFN) 6 tariff lines Mexico Free – 5% General (MFN) 2 tariff lines · average 2.5% Brazil 7.2% – 12.6% General (MFN) 2 tariff lines · average 9.9% Argentina Free – 12.6% General (MFN) 3 tariff lines · average 8.4% Peru Free General (MFN) 2 tariff lines New Zealand Free General (MFN) 2 tariff lines Japan Free General (MFN) 4 tariff lines Taiwan 2.5% – 5% General (MFN) 3 tariff lines · average 3.3% GCC 5% General (MFN) 2 tariff lines Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia 7% – 15% General (MFN) 12 tariff lines · average 14.3% Nigeria 10% General (MFN) 1 tariff line

USA lines: 8408.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N328385 U.S. CBP 24 October 2022 · 8408.90.10.40

    The tariff classification of an engine parts assembly from India

Legal notes

Chapter notes: Chapter 84 →

HTS code 8408.90.10 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 8408.90 (compression-ignition internal combustion piston engines: other engines).

The general duty is free.

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

For the same subheading, the UK duty is 4%, the EU duty is 4.2%, the Türkiye duty is 0%–4.2%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 7.2%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is 2.5%–5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 7%–15% and the Nigeria duty is 10%.

The United States imported goods of subheading 8408.90 worth US$2.9bn in 2024; the largest supplier was Japan, and the United Kingdom ranked 2nd with US$779m.

Questions and answers

What is the USA import duty for HTS code 8408.90.10?

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

Where does the United States import these goods from?

For subheading 8408.90 as a whole, the largest supplier in 2024 was Japan (US$813m), followed by the United Kingdom.

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Typical products

Everyday names, not part of the legal text.