HTS heading 8483 · Chapter 84
HTS 8483: Transmission shafts and cranks
HTS heading 8483 covers 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. It has 24 tariff lines with a duty rate; the general (MFN) rates are 4.5% (6 lines), 2.8% (6 lines), 2.5% (5 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 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] | Estimate → | |||
| 8483.10.10.30 | Other[No., kg] | Estimate → | |||
| 8483.10.10.50 | Other[No., kg] | Estimate → | |||
| 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] | Estimate → | |||
| 8483.10.30.50 | Other[No., kg] | Estimate → | |||
| 8483.10.50.00 | Other transmission shafts and cranks[kg] | Free | 30% | Estimate → | |
| 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.] | Estimate → | |||
| 8483.20.40.80 | Incorporating roller bearings[No.] | Estimate → | |||
| 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.] | Estimate → | |||
| 8483.20.80.80 | Incorporating roller bearings[No.] | Estimate → | |||
| 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] | Estimate → | |||
| 8483.30.40.80 | Other[kg] | Estimate → | |||
| 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] | Estimate → | |||
| 8483.30.80.40 | Other[kg] | Estimate → | |||
| Plain shaft bearings: | |||||
| With housing: | |||||
| 8483.30.80.55 | Rod end bearings[No., kg] | Estimate → | |||
| 8483.30.80.65 | Other[No., kg] | Estimate → | |||
| Without housing: | |||||
| Spherical: | |||||
| 8483.30.80.71 | Of copper or copper alloys[No., kg] | Estimate → | |||
| 8483.30.80.79 | Other[No., kg] | Estimate → | |||
| Other: | |||||
| 8483.30.80.81 | Of copper or copper alloys[No., kg] | Estimate → | |||
| 8483.30.80.89 | Other[No., kg] | Estimate → | |||
| 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 converters[No.] | Free | 27.5% | Estimate → | |
| 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.] | Estimate → | |||
| 8483.40.30.80 | Other[No.] | Estimate → | |||
| 8483.40.50 | Other | 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.] | Estimate → | |||
| 8483.40.50.20 | Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter[No.] | Estimate → | |||
| 8483.40.50.80 | Other[No.] | Estimate → | |||
| 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% | Estimate → |
| 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% | Estimate → |
| 8483.40.90.00 | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately[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% | Estimate → |
| 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% | Estimate → |
| 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% | Estimate → |
| 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.] | Estimate → | |||
| 8483.50.90.80 | Other[kg] | Estimate → | |||
| 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.] | Estimate → | |||
| 8483.60.40.80 | Universal joints[No.] | Estimate → | |||
| 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% | Estimate → |
| 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] | Estimate → | |||
| 8483.90.10.50 | Other[kg] | Estimate → | |||
| 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% | Estimate → |
| 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% | Estimate → |
| 8483.90.50 | Parts of gearing, gear boxes and other speed changers | 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.] | Estimate → | |||
| 8483.90.50.20 | Parts of gear boxes and speed changers for wind turbines[kg] | Estimate → | |||
| 8483.90.50.80 | Other[kg] | Estimate → | |||
| 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% | Estimate → |
| 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] | Estimate → | |||
| 8483.90.80.40 | Parts of universal joints[kg] | Estimate → | |||
| 8483.90.80.80 | Other[kg] | Estimate → |
60 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 8483.10.10 at the general rate of 2.5%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (2.5%) | $250.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $297.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- B
- Automotive Products Trade Act
- BH
- U.S.–Bahrain FTA
- C
- Agreement on Trade in Civil Aircraft
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 8483?
Heading 8483 has 24 rate lines. The general (MFN) duty rates are 4.5% (6 lines), 2.8% (6 lines), 2.5% (5 lines), Free (3 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 8483?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 8483?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.