Question 1

What does HTS 8483.40.50 cover?

Accepted Answer

HTS 8483.40.50 is an 8-digit tariff item of the U.S. Harmonized Tariff Schedule covering 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, other. It belongs to Chapter 84 and rolls up 3 10-digit statistical lines that brokers actually file at entry.

Question 2

What is the duty rate for HTS 8483.40.50?

Accepted Answer

Every 10-digit line under HTS 8483.40.50 carries a general (Column 1) duty rate of 2.5%. Chapter 99 flags and potentially relevant AD/CVD order flags are shown at the per-line level; applicability depends on the shipment facts, written scope, and entry date.

Question 3

Are there Chapter 99 provisions linked to HTS 8483.40.50?

Accepted Answer

Tandom links section_232 provision 9903.82.05 to HTS 8483.40.50. Its published rate notation is 15%, and its status on 2026-09-26 is active. 9 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.

Question 4

How do I find the right 10-digit line under HTS 8483.40.50?

Accepted Answer

U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader tariff item HTS 8483.40.50 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.

Question 5

Are there potentially relevant AD/CVD order flags under HTS 8483.40.50?

Accepted Answer

Tandom's current catalog view links no potentially relevant AD/CVD (antidumping or countervailing duty) order flags to lines under HTS 8483.40.50. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.

Code	Authority	Rate	Countries
9903.82.05	section_232Active	15%	GB
9903.82.06	section_232Active	10%	All countries
9903.82.13	section_232Active	0%	All countries
9903.81.91	section_232Expired	The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content.	All countries
9903.82.15	section_232Active	10%	RU
9903.81.92	section_232Expired	The duty provided in the applicable subheading.	All countries
9903.81.98	section_232Expired	The duty provided in the applicable subheading + 25%	GB
9903.81.86	section_232Expired	The duty provided in the applicable subheading + 25%	MX
9903.80.03	section_232Expired	The duty provided in the applicable subheading + 25%	All countries
9903.81.84	section_232Expired	The duty provided in the applicable subheading + 25%	UA

`8483.40.50`—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, other

Plain-English explanation

10-digit lines under 8483.40.50(3)

Chapter 99 flags(10)

Frequently asked questions

What does HTS 8483.40.50 cover?

What is the duty rate for HTS 8483.40.50?

Are there Chapter 99 provisions linked to HTS 8483.40.50?

How do I find the right 10-digit line under HTS 8483.40.50?

Are there potentially relevant AD/CVD order flags under HTS 8483.40.50?

Learn more

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Wire the Tandom Duty Calculator API into a TMS or broker software

Section 301 China tariff exclusions in 2026

Trade compliance APIs in broker workflows

8483.40.50—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, other

Plain-English explanation

10-digit lines under 8483.40.50(3)

Chapter 99 flags(10)

Frequently asked questions

What does HTS 8483.40.50 cover?

What is the duty rate for HTS 8483.40.50?

Are there Chapter 99 provisions linked to HTS 8483.40.50?

How do I find the right 10-digit line under HTS 8483.40.50?

Are there potentially relevant AD/CVD order flags under HTS 8483.40.50?

Learn more

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Wire the Tandom Duty Calculator API into a TMS or broker software

Section 301 China tariff exclusions in 2026

Trade compliance APIs in broker workflows

`8483.40.50`—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, other