Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
HTS heading 8406: Steam turbines and other vapor turbines, and parts thereof
27 numbered lines under heading 8406, including 19 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 |
|---|---|---|---|---|---|
| 8406 | Steam turbines and other vapor turbines, and parts thereof: | ||||
| 8406.10 | Turbines for marine propulsion: | ||||
| 8406.10.10.00 | Steam turbines | No. | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |
| 8406.10.90.00 | Other | No. | Free | 27.5% | |
| Other turbines: | |||||
| 8406.81 | Of an output exceeding 40 MW: | ||||
| 8406.81.10 | Steam turbines | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.35% (JP) | 20% | |
| 8406.81.10.20 | Stationary steam turbines, condensing type | No. | |||
| 8406.81.10.70 | Other | No. | |||
| 8406.81.90.00 | Other | No. | Free | 27.5% | |
| 8406.82 | Of an output not exceeding 40 MW: | ||||
| 8406.82.10 | Steam turbines | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| Stationary steam turbines, condensing type: | |||||
| 8406.82.10.10 | Not exceeding 7,460 kW | No. | |||
| 8406.82.10.20 | Exceeding 7,460 kW | No. | |||
| Other: | |||||
| 8406.82.10.50 | Not exceeding 7,460 kW | No. | |||
| 8406.82.10.70 | Exceeding 7,460 kW | No. | |||
| 8406.82.90.00 | Other | No. | Free | 27.5% | |
| 8406.90 | Parts: | ||||
| Of steam turbines: | |||||
| 8406.90.20.00 | Rotors, finished for final assembly | No. | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |
| 8406.90.30.00 | Rotors, not further advanced than cleaned or machined for removal of fins, gates, sprues, and risers, or to permit location in finishing machinery | No. | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% |
| 8406.90.40.00 | Blades, rotating or stationary | No. | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% |
| 8406.90.45 | Other | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% | |
| 8406.90.45.40 | Rotors or spindles and rotor or spindle assemblies | No. | |||
| 8406.90.45.80 | Other | kg | |||
| Other: | |||||
| 8406.90.50.00 | Rotors, finished for final assembly | No. | Free | 27.5% | |
| 8406.90.60.00 | Rotors, not further advanced than cleaned or machined for removal of fins, gates, sprues, and risers, or to permit location in finishing machinery | No. | Free | 27.5% | |
| 8406.90.70.00 | Blades, rotating or stationary | No. | Free | 27.5% | |
| 8406.90.75.00 | OtherNote: See 9903.90.08. | kg | Free | 27.5% |
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.