Base
HTS 8471.70.40Chapter 84

HTS 8471.70.40Not assembled in cabinets, and without attached external power supply Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · $1390.3M 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

$1390.3M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

2 rulings — · 0 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, CBP CROSS Rulings, 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 — $1390M 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 (4)

CodeDescriptionRate
8471.70.40Not assembled in cabinets, and without attached external power supplyFree
8471.70.40.35Flexible (floppy) magnetic disk drive units
8471.70.40.65Hard magnetic disk drive units
8471.70.40.95Other

CBP Rulings (2)

H082476Marking

    U.S. Government Procurement; Title III, Trade Agreements Act of 1979 (19 U.S.C. § 2511); Subpart B, Part 177, CBP Regulations; ICS Units

H259758Origin

U.S. Government Procurement; Country of Origin of Storage Infrastructure Solution Systems; Substantial Transformation

Matching Export Code (Schedule B)

8471701000Schedule B

MAGNETIC DISK DRIVE UNITS WITH A DISK DIAMETER GT=21 CM,WITH READ-WRITE UNITS ENTERED SEPERATELY

Census Bureau export classification matching this HTS import code.

8471.70.30.008471.70.40.35