8407.10.00
Aircraft engines
Spark-ignition reciprocating or rotary internal combustion piston engines
Data provenance: Rates from HTS Revision 19 (Sep 16, 2026); trade measures verified against CBP CSMS and Federal Register notices through Sep 3, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
35%
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)
9903.88.01
LIST_1
The duty provided in the applicable subheading plus 25%
ActiveExcept as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Applies to origin: CN
Effective from July 6, 2018
SECTION_338
9903.03.12
The duty provided in the applicable subheading + 50%
ActiveSection 338 (Canada): goods of Canada in the Proclamation 11046 annex (provincial liquor-board discrimination against US alcoholic beverages), 50% additional ad valorem duty. The annex reaches well past alcohol: wood (4413/4420/4421), paper (4804-4811) and hockey sticks (9506.99.25) are in it.
Applies to origin: CA
Effective from August 22, 2026
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
SCOPE_EXPANSION Procs. 11046 / 11047 / 11048 (91 FR 46639) — Section 338 Canada
Section 338 (Canada) alcoholic beverages: 611 subheadings under 9903.03.12 at 50%, effective 2026-08-22
See the change → -
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
USMCA Fungible Goods and Materials; RVC Averaging; Automotive Engines
The merchandise at issue consists of various automotive engines that your client, Hyundai Mobis Mexico S. de R.L. de C.V., will manufacture in Mexico using originating and non-originating fungible materials. You state that the goods are cla
USMCA Eligibility; Used Automotive Parts; Disassembly
that you reassert in the instant matter. In Headquarters Ruling Letter (“HQ”) H004446, dated April 11, 2007, we issued a decision regarding the eligibility of used auto parts for preferential tariff treatment under the North American Free T
The tariff classification of an outboard motor from China
Pictures and other descriptive literature was submitted with your request. The article under consideration is a Yadao T4.0 water cooled, 2-stroke, 4 horsepower (hp) Outboard Motor, which is principally used with small vessels. The maximum o
Country of origin; Gasoline-powered horizontal shaft engine; Section 301 trade remedy; 9903.88.02, HTSUS
The subject merchandise is a gasoline-powered, carbureted or fuel injected, horizontal shaft engine for a snow thrower classifiable under subheading 8407.90.90, HTSUS. The engine is made from component parts all sourced from China that inc
Country of Origin; Marine propulsion outboard engine; Section 301 trade remedy; 9903.88.01, HTSUS
The merchandise at issue is described as a four-stroke marine propulsion outboard engine ranging from 40 to 60 horsepower classifiable in subheading 8407.21.00, Harmonized Tariff Schedule of the United States (“HTSUS”). The outboard engine
The tariff classification of engines for chipper shredder vacuums from China
00.60, Harmonized Tariff Schedule of the United States (HTSUS). The items under consideration have been identified as Engines (Model numbers 752Z1X65CUA and 752Z1X65CUB), which are designed to be used with Walk-Behind Chipper Shredder Vacuu
The tariff classification of lawn mower engines from China
00.60, Harmonized Tariff Schedule of the United States (HTSUS). The items under review are fifty two (52) models of lawn mower engines of a cylinder capacity ranging from 79 cubic centimeters (cc) to 679 (cc). You describe the products as s
The tariff classification of a competition sidecar and parts from the United Kingdom
The items under consideration have been identified as an Ireson Honda 2009 road racing competition sidecar, spare engine, and parts.
The tariff classification of a long block from Japan.
The item under consideration has been identified as a Long Block, which is a component of a spark-ignition reciprocating internal combustion piston engine with a displacements of 653 cubic centimeters (cc) and an output of 20.5 to 22 horsep
The tariff classification of engine assemblies from China
The items under consideration are Engine Assemblies for spark-ignition reciprocating internal combustion piston engines, model numbers A-32, A-42, A-62, and A-160, used in oil and gas field pumping, and auxiliary power applications.
Ruling Request; NAFTA; Regional Value Content; 19 CFR, Part 181 App. Section 13(2) – Motor Vehicles Produced in a New Plant
According to your submission, the importer plans to introduce a new line of automobiles to the U.S. market in the near future. The importer’s affiliate in Mexico has already begun construction of the plant where this new line of vehicles wi
The tariff classification of a cylinder head assembly from Japan.
The items under consideration have been identified a Short Block and Cylinder Head Assembly, which are used in a 1,500 cubic centimeters (cc) gasoline variable compression rate turbo charger engine for midsized sedan automobiles. You descri
Other codes in heading 8407
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8407.10.00 from each major US trading partner.
Follow 8407.10.00
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.