Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
HTS heading 8483: Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and…
68 numbered lines under heading 8483, including 47 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 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: | ||||
| 8483.10 | Transmission shafts (including camshafts and crankshafts) and cranks: | ||||
| Camshafts and crankshafts: | |||||
| 8483.10.10 | Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines | 2.5% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| For vehicles of chapter 87: | |||||
| 8483.10.10.10 | For motorcycles | No., kg | |||
| 8483.10.10.30 | Other | No., kg | |||
| 8483.10.10.50 | Other | No., kg | |||
| 8483.10.30 | Other | 2.5% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8483.10.30.10 | For vehicles of chapter 87 | No., kg | |||
| 8483.10.30.50 | Other | No., kg | |||
| 8483.10.50.00 | Other transmission shafts and cranksNote: See 9903.90.08. | kg | Free | 30% | |
| 8483.20 | Housed bearings, incorporating ball or roller bearings: | ||||
| 8483.20.40 | Flange, take-up, cartridge and hanger units | 4.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.20.40.40 | Incorporating ball bearings | No. | |||
| 8483.20.40.80 | Incorporating roller bearings | No. | |||
| 8483.20.80 | Other | 4.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.20.80.40 | Incorporating ball bearings | No. | |||
| 8483.20.80.80 | Incorporating roller bearings | No. | |||
| 8483.30 | Bearing housings; plain shaft bearings: | ||||
| 8483.30.40 | Flange, take-up, cartridge and hanger units | 4.5% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.30.40.40 | Ball or roller bearing type | kg | |||
| 8483.30.40.80 | Other | kg | |||
| 8483.30.80 | Other | 4.5% | Free (A+,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| Bearing housings: | |||||
| 8483.30.80.20 | Ball or roller bearing type | kg | |||
| 8483.30.80.40 | Other | kg | |||
| Plain shaft bearings: | |||||
| With housing: | |||||
| 8483.30.80.55 | Rod end bearings | No., kg | |||
| 8483.30.80.65 | Other | No., kg | |||
| Without housing: | |||||
| Spherical: | |||||
| 8483.30.80.71 | Of copper or copper alloys | No., kg | |||
| 8483.30.80.79 | Other | No., kg | |||
| Other: | |||||
| 8483.30.80.81 | Of copper or copper alloys | No., kg | |||
| 8483.30.80.89 | Other | 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: | ||||
| 8483.40.10.00 | Torque convertersNote: See 9903.90.08. | No. | Free | 27.5% | |
| Gear boxes and other speed changers: | |||||
| Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation: | |||||
| 8483.40.30 | Imported for use with machines for making cellulosic pulp, paper or paperboard | Free | 27.5% | ||
| 8483.40.30.40 | Fixed ratio speed changers | No. | |||
| 8483.40.30.80 | Other | No. | |||
| 8483.40.50 | OtherNote: See 9903.90.08. | 2.5% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% | |
| 8483.40.50.10 | Fixed ratio speed changers | No. | |||
| 8483.40.50.20 | Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter | No. | |||
| 8483.40.50.80 | Other | No. | |||
| 8483.40.70.00 | Other speed changers | No. | 25¢ each + 3.9% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | $4.50 each + 65% |
| 8483.40.80.00 | Ball or roller screws | No. | 3.8% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 8483.40.90.00 | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separatelyNote: See 9903.90.08. | No. | 2.5% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% |
| 8483.50 | Flywheels and pulleys, including pulley blocks: | ||||
| 8483.50.40.00 | Gray-iron awning or tackle pulleys, not over 6.4 cm in wheel diameter | No. | 5.7% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| Other: | |||||
| 8483.50.60.00 | Flywheels | No. | 2.8% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 8483.50.90 | Other | 2.8% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.50.90.40 | Grooved pulleys | No. | |||
| 8483.50.90.80 | Other | kg | |||
| 8483.60 | Clutches and shaft couplings (including universal joints): | ||||
| 8483.60.40 | Clutches and universal joints | 2.8% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.60.40.40 | Clutches | No. | |||
| 8483.60.40.80 | Universal joints | No. | |||
| 8483.60.80.00 | Other | No. | 2.8% | Free (A+,AU,B,BH, C,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 8483.90 | Toothed wheels, chain sprockets and other transmission elements presented separately; parts: | ||||
| 8483.90.10 | Chain sprockets and parts thereof | 2.8% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8483.90.10.10 | Forged | kg | |||
| 8483.90.10.50 | Other | kg | |||
| Parts of bearing housings and plain shaft bearings: | |||||
| 8483.90.20.00 | Parts of flange, take-up, cartridge and hanger units | kg | 4.5% | Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 8483.90.30.00 | Other | kg | 4.5% | Free (A+,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 8483.90.50 | Parts of gearing, gear boxes and other speed changersNote: See 9903.90.08. | 2.5% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% | |
| 8483.90.50.10 | Forged gear blanks | No. | |||
| 8483.90.50.20 | Parts of gear boxes and speed changers for wind turbines | kg | |||
| 8483.90.50.80 | Other | kg | |||
| Other: | |||||
| 8483.90.70.00 | Parts of articles of subheading 8483.20 | kg | 5.5% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% |
| 8483.90.80 | Other | 2.8% | Free (A+,AU,B,BH, C,CL,CO,D,E, IL,JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | |
| 8483.90.80.10 | Parts of articles of subheading 8483.60.80 | kg | |||
| 8483.90.80.40 | Parts of universal joints | kg | |||
| 8483.90.80.80 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.