# HTS 8408: Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):

https://geopax.app/tariffs/catalog/84/8408

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=8408). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 8408: Compression-ignition internal combustion piston engines (diesel or semi-diesel engines):

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 8408 | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines): |  |  |  |  |
| 8408.10.00 |   Marine propulsion engines | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |  |
| 8408.10.00.05 |     Not exceeding 111.9 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.10.00.15 |     Exceeding 111.9 kW but not exceeding 149.2 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.10.00.20 |     Exceeding 149.2 kW but not exceeding 223.8 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.10.00.30 |     Exceeding 223.8 kW but not exceeding 373 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.10.00.40 |     Exceeding 373 kW but not exceeding 746 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.10.00.50 |     Exceeding 746 kW | 2.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.20 |   Engines of a kind used for the propulsion of vehicles of chapter 87: |  |  |  |  |
| 8408.20.10 |     To be installed in tractors suitable for agricultural use | Free |  | Free |  |
| 8408.20.10.40 |       Not exceeding 37.3 kW | Free |  | Free | No. |
| 8408.20.10.80 |       Exceeding 37.3 kW | Free |  | Free | No. |
| 8408.20.20.00 |     To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 | 2.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.20.90.00 |     Other | 2.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8408.90 |   Other engines: |  |  |  |  |
| 8408.90.10 |     To be installed in agricultural or horticultural machinery or equipment | Free |  | Free |  |
| 8408.90.10.40 |       Not exceeding 37.3 kW | Free |  | Free | No. |
| 8408.90.10.80 |       Exceeding 37.3 kW | Free |  | Free | No. |
| 8408.90.90 |     Other | Free |  | 35% |  |
| 8408.90.90.10 |       Not exceeding 149.2 kW | Free |  | 35% | No. |
| 8408.90.90.20 |       Exceeding 149.2 kW but not exceeding 373 kW | Free |  | 35% | No. |
| 8408.90.90.30 |       Exceeding 373 kW but not exceeding 746 kW | Free |  | 35% | No. |
| 8408.90.90.40 |       Exceeding 746 kW but not exceeding 1,119 kW | Free |  | 35% | No. |
| 8408.90.90.50 |       Exceeding 1,119 kW | Free |  | 35% | No. |