HTS 84
Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Chapter 84
Current Duty Rates
Source: USITC Harmonized Tariff Schedule — Last updated April 8, 2026
Rates reflect current base duties plus applicable surcharges. Section 301 rates apply to China-origin goods. Verify with your customs broker for your specific classification.
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Recent Changes
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Frequently Asked
What is HTS 84?
HTS 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It falls under Chapter 84 of the Harmonized Tariff Schedule of the United States.
What is the duty rate for HTS 84?
The base (MFN) duty rate for HTS 84 is .
Are there any exclusions for HTS 84?
Exclusions may apply depending on active Section 301 or Section 232 exclusion lists. Check the USTR exclusion portal or use TariffDesk to monitor this code for changes, including new exclusions.
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