What is the duty rate for HTS 8483.40.50?

The general duty rate for HTS 8483.40.50 is 2.5%. Special rates: Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). This code covers: Other.

HTS 8483.40.50Chapter 84

HTS 8483.40.50 — Other Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · 1 pending regulation · 1 court case · $296.8M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

2.5%

Special

Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

Column 2

27.5%

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Monthly Imports

$296.8M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

6 rulings — · 1 reg · 1 CIT, 0 CAFC

Global Rates

🇺🇸 2.5%

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

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, CourtListener, CPSC SaferProducts.gov, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-26 · 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 — $297M 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)

Code	Description	Rate
8483.40.50	Other	2.5%
8483.40.50.10	Fixed ratio speed changers	—
8483.40.50.20	Gear boxes and speed changers for wind turbines, as described in statistical note 6 to this chapter	—
8483.40.50.80	Other	—

CBP Rulings (6)

950930Classification

Protest No. 4102-91-100114; Drive Units for Lift Trucks; Gear Boxes; Braking Assembly; EN 84.83; Section XVI, Note 2(a); U.S. v.Citroen; 8431.20.00 Dear Sir:

956344Classification

Protest 3196-93-100089; miniature indexer, torque limiter and timing sensor; EN 84.83; EN 90.29; Section XVI, note 1(m); Section XVI, note 2(a); Chapter 90, note 2(a); subheading 8431.39.00; NY 898158

952440Classification

Protests 5301-9-000340, 000359 - 000366; Gear Boxes; Parts of Gear Boxes; Agricultural Use Provisions; Actual Use; Declaration of Intent; Rotary Mowers; Irrigation Systems; Post Hole diggers; 19 CFR 10.133, 10.134,10.138, 177.9(d)(2), (d)(3); 9817.00.50

H074955Classification

Tariff classification of transmission assemblies

854413Classification

The tariff classification of hay baler components from WestGermany

868442Classification

The tariff classification of aircraft engine kits from Canada.