Chapter 84, Machinery and mechanical appliances / Heading 8483
HTS 8483.50.90.40: Grooved pulleys (transmission shafts)
Schedule text: Grooved pulleys. 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 › Flywheels and pulleys, including pulley blocks › Other › Other › Grooved pulleys
General rate of duty
2.8%
Column 1, USITC schedule
From China, all in
52.8%
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: 2.8% 8483.50.90.40 | 2.8% | $280.00 |
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 | 52.8% | $5,280.00 |
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.
Related lines
Statistical lines under the same 8-digit heading share one legal rate; the last two digits report statistics.
- 8483.50.90Other (rate line, 2.8%)
- 8483.50.90.80Other
Questions about this example
- What is HTS code 8483.50.90.40?
- HTS 8483.50.90.40 covers grooved pulleys (transmission shafts); the schedule's own line text is "Grooved pulleys". 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 › Flywheels and pulleys, including pulley blocks › Other › Other › Grooved pulleys. It sits in chapter 84 (Machinery and mechanical appliances) under heading 8483.
- What is the general duty rate for HTS 8483.50.90.40?
- The Column 1 general rate of duty is 2.8%. 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 8483.50.90.40 from China?
- Priced on $10,000 of goods, the effective duty from China is 52.8%: 2.8% 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 8483.50.90.40?
- It is a statistical line under the 8-digit rate line 8483.50.90 (Other), which has 1 other statistical line. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.