Base
HTS 8429.52.50Chapter 84

HTS 8429.52.50Other Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · 3 pending regulations · $380.2M 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

$380.2M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

0 rulings — · 3 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 5 NCM codes

Compare All →

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

Active DisputesRecent court cases or pending regulations affect this code
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 — $380M 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 (3)

CodeDescriptionRate
8429.52.50OtherFree
8429.52.50.10New
8429.52.50.90Used or rebuilt

Federal Register (3)

Notice2020-17973
2020-08-18

Notice of Modification of Section 301 Action: Enforcement of U.S. World Trade Organization (WTO) Rights in Large Civil Aircraft Dispute

Enforcement of U.S. World Trade Organization (WTO) Rights in Large Civil Aircraft Dispute

Notice2020-03454
2020-02-21

Notice of Modification of Section 301 Action: Enforcement of U.S. WTO Rights in Large Civil Aircraft Dispute

Enforcement of U.S. WTO Rights in Large Civil Aircraft Dispute

Notice2019-07267
2019-04-12

Initiation of Investigation; Notice of Hearing and Request for Public Comments: Enforcement of U.S. WTO Rights in Large Civil Aircraft Dispute

Notice of initiation of investigation, hearing, and request for comments.

Matching Export Code (Schedule B)

8429521010Schedule B

BACKHOES, SHOVELS, CLAMSHELLS AND DRAGLINES WITH A 360 DEGREE REVOLVING SUPERSTRUCTURE, CRAWLER MOUNTED, HYDRAULIC, NEW

Census Bureau export classification matching this HTS import code.

8429.52.10.508429.52.50.10