HTS heading 8483
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 — 68 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 8483 | 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 + Ch. 99 | not stated | — |
| 8483.10 | Transmission shafts (including camshafts and crankshafts) and cranks + Ch. 99 | not stated | — |
| 8483.10.10 | Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines + Ch. 99 | 2.5% | — |
| 8483.10.10.10 | For motorcycles + Ch. 99 | 2.5% (inherited from 8483.10.10) | No., kg |
| 8483.10.10.30 | Other + Ch. 99 | 2.5% (inherited from 8483.10.10) | No., kg |
| 8483.10.10.50 | Other + Ch. 99 | 2.5% (inherited from 8483.10.10) | No., kg |
| 8483.10.30 | Other + Ch. 99 | 2.5% | — |
| 8483.10.30.10 | For vehicles of chapter 87 + Ch. 99 | 2.5% (inherited from 8483.10.30) | No., kg |
| 8483.10.30.50 | Other + Ch. 99 | 2.5% (inherited from 8483.10.30) | No., kg |
| 8483.10.50.00 | Other transmission shafts and cranks + Ch. 99 | Free | kg |
| 8483.20 | Housed bearings, incorporating ball or roller bearings + Ch. 99 | not stated | — |
| 8483.20.40 | Flange, take-up, cartridge and hanger units + Ch. 99 | 4.5% | — |
| 8483.20.40.40 | Incorporating ball bearings + Ch. 99 | 4.5% (inherited from 8483.20.40) | No. |
| 8483.20.40.80 | Incorporating roller bearings + Ch. 99 | 4.5% (inherited from 8483.20.40) | No. |
| 8483.20.80 | Other + Ch. 99 | 4.5% | — |
| 8483.20.80.40 | Incorporating ball bearings + Ch. 99 | 4.5% (inherited from 8483.20.80) | No. |
| 8483.20.80.80 | Incorporating roller bearings + Ch. 99 | 4.5% (inherited from 8483.20.80) | No. |
| 8483.30 | Bearing housings; plain shaft bearings + Ch. 99 | not stated | — |
| 8483.30.40 | Flange, take-up, cartridge and hanger units + Ch. 99 | 4.5% | — |
| 8483.30.40.40 | Ball or roller bearing type + Ch. 99 | 4.5% (inherited from 8483.30.40) | kg |
| 8483.30.40.80 | Other + Ch. 99 | 4.5% (inherited from 8483.30.40) | kg |
| 8483.30.80 | Other + Ch. 99 | 4.5% | — |
| 8483.30.80.20 | Ball or roller bearing type + Ch. 99 | 4.5% (inherited from 8483.30.80) | kg |
| 8483.30.80.40 | Other + Ch. 99 | 4.5% (inherited from 8483.30.80) | kg |
| 8483.30.80.55 | Rod end bearings + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.30.80.65 | Other + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.30.80.71 | Of copper or copper alloys + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.30.80.79 | Other + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.30.80.81 | Of copper or copper alloys + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.30.80.89 | Other + Ch. 99 | 4.5% (inherited from 8483.30.80) | No., kg |
| 8483.40 | 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 + Ch. 99 | not stated | — |
| 8483.40.10.00 | Torque converters + Ch. 99 | Free | No. |
| 8483.40.30 | Imported for use with machines for making cellulosic pulp, paper or paperboard + Ch. 99 | Free | — |
| 8483.40.30.40 | Fixed ratio speed changers + Ch. 99 | Free (inherited from 8483.40.30) | No. |
| 8483.40.30.80 | Other + Ch. 99 | Free (inherited from 8483.40.30) | No. |
| 8483.40.50 | Other + Ch. 99 | 2.5% | — |
| 8483.40.50.10 | Fixed ratio speed changers + Ch. 99 | 2.5% (inherited from 8483.40.50) | No. |
| 8483.40.50.20 | Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter + Ch. 99 | 2.5% (inherited from 8483.40.50) | No. |
| 8483.40.50.80 | Other + Ch. 99 | 2.5% (inherited from 8483.40.50) | No. |
| 8483.40.70.00 | Other speed changers + Ch. 99 | 25¢ each + 3.9% | No. |
| 8483.40.80.00 | Ball or roller screws + Ch. 99 | 3.8% | No. |
| 8483.40.90.00 | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately + Ch. 99 | 2.5% | No. |
| 8483.50 | Flywheels and pulleys, including pulley blocks + Ch. 99 | not stated | — |
| 8483.50.40.00 | Gray-iron awning or tackle pulleys, not over 6.4 cm in wheel diameter + Ch. 99 | 5.7% | No. |
| 8483.50.60.00 | Flywheels + Ch. 99 | 2.8% | No. |
| 8483.50.90 | Other + Ch. 99 | 2.8% | — |
| 8483.50.90.40 | Grooved pulleys + Ch. 99 | 2.8% (inherited from 8483.50.90) | No. |
| 8483.50.90.80 | Other + Ch. 99 | 2.8% (inherited from 8483.50.90) | kg |
| 8483.60 | Clutches and shaft couplings (including universal joints) + Ch. 99 | not stated | — |
| 8483.60.40 | Clutches and universal joints + Ch. 99 | 2.8% | — |
| 8483.60.40.40 | Clutches + Ch. 99 | 2.8% (inherited from 8483.60.40) | No. |
| 8483.60.40.80 | Universal joints + Ch. 99 | 2.8% (inherited from 8483.60.40) | No. |
| 8483.60.80.00 | Other + Ch. 99 | 2.8% | No. |
| 8483.90 | Toothed wheels, chain sprockets and other transmission elements presented separately; parts + Ch. 99 | not stated | — |
| 8483.90.10 | Chain sprockets and parts thereof + Ch. 99 | 2.8% | — |
| 8483.90.10.10 | Forged + Ch. 99 | 2.8% (inherited from 8483.90.10) | kg |
| 8483.90.10.50 | Other + Ch. 99 | 2.8% (inherited from 8483.90.10) | kg |
| 8483.90.20.00 | Parts of flange, take-up, cartridge and hanger units + Ch. 99 | 4.5% | kg |
| 8483.90.30.00 | Other + Ch. 99 | 4.5% | kg |
| 8483.90.50 | Parts of gearing, gear boxes and other speed changers + Ch. 99 | 2.5% | — |
| 8483.90.50.10 | Forged gear blanks + Ch. 99 | 2.5% (inherited from 8483.90.50) | No. |
| 8483.90.50.20 | Parts of gear boxes and speed changers for wind turbines + Ch. 99 | 2.5% (inherited from 8483.90.50) | kg |
| 8483.90.50.80 | Other + Ch. 99 | 2.5% (inherited from 8483.90.50) | kg |
| 8483.90.70.00 | Parts of articles of subheading 8483.20 + Ch. 99 | 5.5% | kg |
| 8483.90.80 | Other + Ch. 99 | 2.8% | — |
| 8483.90.80.10 | Parts of articles of subheading 8483.60.80 + Ch. 99 | 2.8% (inherited from 8483.90.80) | kg |
| 8483.90.80.40 | Parts of universal joints + Ch. 99 | 2.8% (inherited from 8483.90.80) | kg |
| 8483.90.80.80 | Other + Ch. 99 | 2.8% (inherited from 8483.90.80) | kg |
36 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
68 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.