8406.90.40.00
Blades, rotating or stationary
Steam turbines and other vapor turbines, and parts thereof: Parts: Of steam turbines
Duty rates
Column 1 (General / MFN)
5%
Column 2 (Non-NTR)
20%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.03.01
The duty provided in the applicable subheading + 10%
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.02
The duty provided in the applicable subheading
Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026
Effective from February 24, 2026 through July 24, 2026
9903.03.03
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.04
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.05
The duty provided in the applicable subheading
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.06
The duty provided in the applicable subheading
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.07
The duty provided in the applicable subheading
Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter
Applies to origin: CA
Effective from February 24, 2026 through July 24, 2026
9903.03.08
The duty provided in the applicable subheading
Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter
Applies to origin: MX
Effective from February 24, 2026 through July 24, 2026
9903.03.09
The duty provided in the applicable subheading
Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter
Applies to origin: CR, SV, GT, HN, NI, DO
Effective from February 24, 2026 through July 24, 2026
9903.03.10
The duty provided in the applicable subheading
Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering
Effective from February 24, 2026 through July 24, 2026
9903.03.11
The duty provided in the applicable subheading
Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds
Applies to origin: IL
Effective from February 24, 2026 through July 24, 2026
9903.82.03
15.0%
Except for articles classifiable in chapters 72, 73, 74 or 76, articles where the weight of the applicable metal is less than 15 percent of the weight of the imported article, as provided for in subdivision (c) of U.S. note 16 to this subchapter
Effective from April 6, 2026
9903.82.05
The duty provided in the applicable subheading + 15%
Derivative aluminum or steel articles the product of the United Kingdom, as provided for in subdivisions (c)(vi)–(vii) and (d) of U.S. note 16 to this subchapter
Applies to origin: GB
Effective from April 6, 2026
9903.82.06
The duty provided in the applicable subheading + 10%
Except as provided for in headings 9903.82.15 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(ii), (iv), (vi)–(viii) and (e) of U.S. note 16 to this subchapter
Effective from April 6, 2026
9903.82.09
The duty provided in the applicable subheading + 25%
Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
Effective from April 6, 2026
9903.82.13
No change
Motorcycle parts, as provided for in subdivision (g) of U.S. note 16 to the subchapter
Effective from April 6, 2026
9903.82.15
The duty provided in the applicable subheading + 10%
Articles of copper and derivative steel the product of the Russian Federation, as provided for in subdivisions (c)(iv), (vii), (viii) and (e) of U.S. note 16 to this subchapter
Applies to origin: RU
Effective from April 6, 2026
9903.82.16
The duty provided in the applicable subheading + 25%
Articles of copper and derivative steel the product of the Russian Federation, as provided for in subdivisions (c)(vii)–(viii) of U.S. note 16 to this subchapter
Applies to origin: RU
Effective from April 6, 2026
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
The tariff classification of steam turbine parts from Japan.
The parts include a rotor, stationary blade holders, stationary blade rings and an oil console. With the exception of the oil console, these items are spares for a separately imported steam turbine generator set. The rotor is finished, read
The tariff classification of a steam turbine generator set from Japan
The tariff classification of a steam turbine generator set from Japan
FUJI Medium Capacity Steam Turbine; Heading 8406, HTSUS; NY Ruling 874960 Modified
The Area Director of Customs, New York Seaport, advised you by letter dated June 9, 1992 (874960), that the steam turbine generator system was classifiable in subheading 8502.30.00, HTSUS, as an electric generating set; the control system w
Other codes in heading 8406
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8406.90.40.00 from each major US trading partner.
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