Base
HTS 8408.90.90Chapter 84

HTS 8408.90.90Other Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · $228.6M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

35%

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Monthly Imports

$228.6M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

4 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 2 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, CPSC SaferProducts.gov, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

High-Volume Code

This is a high-volume import code — $229M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (6)

CodeDescriptionRate
8408.90.90OtherFree
8408.90.90.10Not exceeding <il>149.2 kW</il>
8408.90.90.20Exceeding <il>149.2 kW</il> but not exceeding <il>373 kW</il>
8408.90.90.30Exceeding <il>373 kW </il>but not exceeding <il>746 kW</il>
8408.90.90.40Exceeding <il>746 kW</il> but not exceeding <il>1,119 kW</il>
8408.90.90.50Exceeding <il>1,119 kW</il>

CBP Rulings (4)

809652Classification

The tariff classification of jack-up barge components from Canada

957494Classification

PRD 1401-94-100350; Compression-Ignition Engines for Agricultural Tractors; Actual Use Certificates, Additional U.S. Rule 1(b); Section 10.138, Customs Regulations (19 CFR 10.138)

I83751Classification

The tariff classification of High Horsepower Diesel Engines

951873Classification

Protest No. 3801-92-100517; 19 CFR Part 177; skids; powertrains; GRI 2(a); 8427.20.00; unfinished forklift truck; EN VII to GRI 3(b); essential character; HRL 086555; HRL 088524; 8431.20.00; part of forklift truck; Note 2 to Section XVI; EN 84.08; engine

Matching Export Code (Schedule B)

8408901000Schedule B

COMPRESSION-IGNITION INTERNAL COMBUSTION PISTON ENGINES (DIESEL), TO BE INSTALLED IN AGRICULTURAL OR HORTICULTURAL MACHINERY OR EQUIPMENT

Census Bureau export classification matching this HTS import code.

8408.90.10.808408.90.90.10