Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):
Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):
What this covers
Compression-ignition internal combustion piston engines, such as diesel or semi-diesel engines, are covered by this HTS heading and include engines used in vehicles, machinery, and generators.
How the 15.0% is built.
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1Apply base HTS rateColumn 1 General (MFN) or Special (FTA)
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2Add Section 301 (if origin qualifies)Chapter 99 subheading layered on
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3Add IEEPA / 232 surchargesCountry-scoped emergency measures
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4Add MPF & HMF feesApplied to entered value
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Rate by country of origin
Same HTS, very different landed cost. Here's how 8408 looks from the top trading partners — on a $10,000 shipment.
Citations for 8408
FAQ for this HTS code.
What is this HTS code?
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):". It determines base duty rates for imports; additional duties may apply by country of origin.
Does origin affect duty?
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
How do I compute total duty?
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.