Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
8483.40.10.00Tariff 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
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
Torque converters
8483.40.10.00
Rates of duty
General rate (Column 1)Free
Special—
Column 227.5%
UnitNo.
Printed page 2858
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- 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 8483.40.10 is on L1
- 232 steel / aluminum / copper & derivatives9903.82.09Conditional+25%General (all other countries) | Gears and gearing, torque converters
Confirmed total 25% · max 50%Full duty breakdown →