Base
HTS 8420.99.90.00Chapter 84

HTS 8420.99.90.00Other Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

35%

Units: kg

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Data compiled from USITC HTS, Regulations.gov, CPSC SaferProducts.gov, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-09-06 · Updates weekly

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 (1)

CodeDescriptionRate
8420.99.90.00OtherFree

Regulatory Dockets (2)

USTR regulatory documents related to this tariff code from Regulations.gov.

Source: Regulations.gov

Matching Export Code (Schedule B)

8420990000Schedule B

PARTS, EXCEPT CYLINDERS, FOR CALENDERING OR OTHER ROLLING MACHINES, OTHER THAN FOR METALS OR GLASS

Census Bureau export classification matching this HTS import code.

8420.99.20.008431.49.90.84