Chapter 84, Machinery and mechanical appliances / Heading 8483
HTS 8483.40.90.00: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
Schedule text: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. Classification: Transmission 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 › Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
General rate of duty
2.5%
Column 1, USITC schedule
From China, all in
52.5%
Priced live by the Gateway engine
Section 301 China
25%
List 1
Forced labor 301
exempt
9903.05.90
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: 2.5% 8483.40.90.00 | 2.5% | $250.00 |
Section 301 China (List 1) | 25% | $2,500.00 |
Section 232 Steel (Derivative) As of April 6, 2026, CBP may assess Section 232 metals duties based on US sales price rather than declared customs value. | 25% | $2,500.00 |
Effective duty rate | 52.5% | $5,250.00 |
Checked and not applied
- Section 301 forced labor: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52)
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Questions about this example
- What is HTS code 8483.40.90.00?
- HTS 8483.40.90.00 covers gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; the schedule's own line text is "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately". Its full classification path in the Harmonized Tariff Schedule of the United States is: Transmission 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 › Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. It sits in chapter 84 (Machinery and mechanical appliances) under heading 8483.
- What is the general duty rate for HTS 8483.40.90.00?
- The Column 1 general rate of duty is 2.5%. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 8483.40.90.00 from China?
- Priced on $10,000 of goods, the effective duty from China is 52.5%: 2.5% general rate + 25% Section 301 + 25% Section 232 Steel (Derivative). Section 301 applies (List 1). Forced-labor duty: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52).
- Which lines are related to HTS 8483.40.90.00?
- Neighbouring statistical lines under the same 8-digit heading are listed on this page. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.