Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
8483.90.80.40Tariff line
Classification path
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
8483
Toothed wheels, chain sprockets and other transmission elements presented separately; parts
Parts of universal joints
8483.90.80.40
Rates of duty
General rate (Column 1)2.8%
SpecialFree (A+, AU, B, BH, C, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 245%
Unitkg
Free (A+, AU, B, BH, C, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 2860
Measure flags
for origin CN, entry date 2026-10-26 · base rate 2.8%
- Section 301 forced-labor tariff (12.5%)9903.05.31Conditional+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 1 (9903.88.01)9903.88.01Applies+25%8-digit subheading 8483.90.80 is on L1
- 232 steel / aluminum / copper & derivatives9903.82.09Conditional+25%General (all other countries) | Parts of transmission shafts (including camshafts and crankshafts) and cranks, ball or roller screws, flywheels and pulleys including pulley blocks, and clutche
- AD/CVD: 1 order in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 1 casesConditionalAD 92.84%A570601
Confirmed total 27.8% · max 145.64%Full duty breakdown →
U.S. → China →