8408.90.10
To be installed in agricultural or horticultural machinery or equipment
Compression-ignition internal combustion piston engines (diesel or semi-diesel engines): Other engines
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
Free
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)
9903.90.08
35%
ActiveArticles 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
Applies to origin: RU, BY
Effective from April 5, 2025
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
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
The tariff classification of an engine parts assembly from India
Pictures and other descriptive literature were submitted with your request. The item under consideration has been identified as an Engine Parts Assembly for a compression ignition reciprocating internal combustion piston engine, used in agr
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
Application for further review of protest number 1601-11-100095; Classification of diesel engine components in Chapter 99; Retroactive Application of the Manufacturing Enhancement Act of 2010
The protestant entered the components through your port on January 15, 2010 and the entries were liquidated as entered on November 26, 2010, classifying the merchandise under subheading 8408.20.20, HTSUS, which provides for engines of a kin
The tariff classification and North American Free Trade Agreement (NAFTA) status of motor vehicle parts from Canada
The tariff classification and North American Free Trade Agreement (NAFTA) status of motor vehicle parts from Canada
North American Free Trade Agreement ("NAFTA"); Regional Value Content; Automobiles
[A] has a new motor vehicle assembly plant in [***], [***]. You state that the building and physical plant are brand new, and all of the manufacturing equipment is similarly brand new and newly-installed. The new machinery comprises [***] o
The tariff classification of rebuilt diesel engines from Mexico.
Descriptive literature was included. According to your request, Cummins is in the practice of acquiring used engines in the United States. These compression ignition engines are designed for use in road tractors. The engines are shipped to
The tariff classification of vehicle parts assemblies and an engine assembly from India
of Alpharetta, Georgia. The items under consideration are parts of a four-door, sport utility motor vehicle which you have identified in your Ruling Request as the “Project 408” vehicle.
The tariff classification and North American Free Trade Agreement (NAFTA) status of motor vehicle parts from Canada
The tariff classification and North American Free Trade Agreement (NAFTA) status of motor vehicle parts from Canada
NAFTA; Used Automotive Parts; 19 CFR §181.132; Disassembly
New England Auto Parts purchases automotive components in Canada from operators of salvage yards. The salvage yards obtain these parts by the disassembly of vehicles in Canada. You indicate that New England Auto Parts serves as the exporter
The tariff classification of various automotive assemblies
Descriptions and photos were included with your request. The merchandise consists of 4 types of assemblies for installation into various automotive vehicles.
NAFTA; Rules of Origin Regulation; Regional Value Content; Automotive Parts; Originating and Non-originating Goods; Waste and Scrap
Cummins is a producer of diesel engines with manufacturing operations in the United States and Mexico. The company remanufactures various diesel engines, components, and parts including diesel engines (classified in heading 8408, Harmonized
The tariff classification of High Horsepower Diesel Engines
You included descriptive literature with your request. Your client will import high horsepower diesel engines designated as the K series that are said to be in the same class or kind of engine that have power generation as their principal u
Other codes in heading 8408
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8408.90.10 from each major US trading partner.
Follow 8408.90.10
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.