8483.40.30Fixed ratio speed changers
HTS Code 8483.40.30 covers any article best defined as Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such ArticlesNuclear reactors, boilers, machinery and mechanical appliances; parts thereofTransmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof:Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters:Gear boxes and other speed changers:Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation:Imported for use with machines for making cellulosic pulp, paper or paperboard in the Harmonized Tariff Schedule — covering 2 sub-classifications.
Estimated Duty on 8483.40.30
$10,000.00 by ocean, entered Oct 21, 2026
- Total duty
- 37.5%
- $3,750.00 on this shipment
- Fees
- 0.47%
- MPF + HMF · $47.14
- Duty + fees
- 37.97%
- Payable to CBP
- Landed cost
- $13,797.14
- On $10,000.00 customs value
- Section 301 – China25%
- Section 301 – Forced Labor12.5%
- Customs fees0.47%
6 exemptions could lower this
Check them against your real shipment details.
Base Duty Rates for 8483.40.30
From the Harmonized Tariff Schedule
- General Rate of Duty
- Free
- Special Rate of Duty
- —
- Column 2 (Non-NTR)
- 27.5%
- China37.5%
- Mexico10%
- Canada10%
- Vietnam12.5%
- Germany10%
Tariff updates
Recent US tariff actions that name 8483.40.30 or its heading.
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
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US Import Duty on HTS 8483.40.30 by Country of Origin
As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Mexico, Canada and 11 more.
| Country of origin | Base rate | Additional tariffs | Total duty |
|---|---|---|---|
| China | Free |
| 37.5% |
| Mexico | Free |
| 10%0% with USMCA |
| Canada | Free |
| 10%0% with USMCA |
| Vietnam | Free |
| 12.5% |
| Germany | Free |
| 10% |
| Japan | Free |
| 12.5% |
| South Korea | Free |
| 12.5% |
| Taiwan | Free |
| 10% |
| India | Free |
| 10% |
| Ireland | Free |
| 10% |
| Italy | Free |
| 10% |
| Switzerland | Free |
| 12.5% |
| Thailand | Free |
| 12.5% |
| Malaysia | Free |
| 10% |
| United Kingdom | Free |
| 10% |
| France | Free |
| 10% |
| Indonesia | Free |
| 10% |
| Brazil | Free |
| 37.5% |
| Bangladesh | Free |
| 10% |
| Cambodia | Free |
| 10% |
Duty from each country, in words
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Canada pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Germany pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Japan pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from South Korea pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Taiwan pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from India pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Ireland pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Italy pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Switzerland pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Thailand pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Malaysia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from United Kingdom pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from France pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Indonesia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Brazil pay 37.5% in duties: a duty-free base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Bangladesh pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
- As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Cambodia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
Duties on goods entered Oct 21, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.
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Top Origins: Countries the US Imports HTS 8483.40.30 From
In 2025 the US imported $50M of fixed ratio speed changers (HTS 8483.40.30 and related codes), up 34% on 2024, mostly from Germany (25%), Italy (21%) and Taiwan (8%). Each country's total duty today is shown beside its imports.
| Country of origin | US imports, 2025 | Share | vs 2024 | Total duty today |
|---|---|---|---|---|
| Germany | $12M | 25% | 27% | 10% |
| Italy | $10M | 21% | 280% | 10% |
| Taiwan | $4M | 8% | 25% | 10% |
| Finland | $4M | 7% | 97% | 10% |
| Japan | $3M | 7% | 25% | 12.5% |
| China | $3M | 6% | 22% | 37.5% |
| India | $2M | 5% | 63% | 10% |
| Switzerland | $1M | 3% | 16% | 12.5% |
| France | $1M | 2% | 67% | 10% |
| Austria | $1M | 2% | 47% | 10% |
Source: U.S. Census Bureau, general imports (8-digit group, as Census has no figures for this exact line). Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 8483.40.30.
Related CROSS Rulings for HTS 8483.40.30
CBP classification rulings related to 8483.40.30. Open a ruling to read how Customs classified a similar product.
No rulings found
No CROSS classification rulings were found for HTS code "8483.40.30".
What does HTS code 8483.40.30 cover?
HTS code 8483.40.30 covers fixed ratio speed changers (Imported for use with machines for making cellulosic pulp, paper or paperboard), classified under Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) in the US Harmonized Tariff Schedule. The general duty rate is Free. There are 2 more specific sub-classifications under this code.
What is the duty rate for HTS 8483.40.30?
The general (Column 1) rate of duty for HTS 8483.40.30 is Free. The Column 2 rate, for countries without normal trade relations, is 27.5%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.
What is the US tariff on fixed ratio speed changers (HTS 8483.40.30) from China?
As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
What is the US tariff on fixed ratio speed changers (HTS 8483.40.30) from Vietnam?
As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
What is the US tariff on fixed ratio speed changers (HTS 8483.40.30) from Mexico?
As of Oct 21, 2026, US imports of fixed ratio speed changers (HTS 8483.40.30) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.
Which country has the lowest US duty on HTS 8483.40.30?
Of the 20 largest sources of US imports, the lowest total duty on HTS 8483.40.30 is 10%, from Mexico, Canada and 11 more, as of the tariffs in effect on 2026-10-21.
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