Tariff reference › Chapter 84 › 8483.40.70.00
HTS 8483.40.70.00 — Other speed changers
The current US import duty for Other speed changers (HTS 8483.40.70.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
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: › Gear boxes and other speed changers: › Other speed changers
Current US duty rate
| Column 1 (General / MFN) | 25¢ each + 3.9% |
|---|---|
| Special (FTA programs) | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) |
| Column 2 (other) | $4.50 each + 65% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=8483.40.70.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).