# HTS 8406: Steam turbines and other vapor turbines, and parts thereof:

https://geopax.app/tariffs/catalog/84/8406

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=8406). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 8406: Steam turbines and other vapor turbines, and parts thereof:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 8406 | Steam turbines and other vapor turbines, and parts thereof: |  |  |  |  |
| 8406.10 |   Turbines for marine propulsion: |  |  |  |  |
| 8406.10.10.00 |     Steam turbines | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.10.90.00 |     Other | Free |  | 27.5% | No. |
|  |   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 | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.35% (JP) | 20% | No. |
| 8406.81.10.70 |         Other | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.35% (JP) | 20% | No. |
| 8406.81.90.00 |       Other | Free |  | 27.5% | No. |
| 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: | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |  |
| 8406.82.10.10 |           Not exceeding 7,460 kW | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.82.10.20 |           Exceeding 7,460 kW | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
|  |         Other: | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% |  |
| 8406.82.10.50 |           Not exceeding 7,460 kW | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.82.10.70 |           Exceeding 7,460 kW | 6.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.82.90.00 |       Other | Free |  | 27.5% | No. |
| 8406.90 |   Parts: |  |  |  |  |
|  |     Of steam turbines: |  |  |  |  |
| 8406.90.20.00 |       Rotors, finished for final assembly | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 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 | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.90.40.00 |       Blades, rotating or stationary | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 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 | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% | No. |
| 8406.90.45.80 |         Other | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 20% | kg |
|  |     Other: |  |  |  |  |
| 8406.90.50.00 |       Rotors, finished for final assembly | Free |  | 27.5% | No. |
| 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 | Free |  | 27.5% | No. |
| 8406.90.70.00 |       Blades, rotating or stationary | Free |  | 27.5% | No. |
| 8406.90.75.00 |       Other | Free |  | 27.5% | kg |