| 8407.90.90 | 40 | 746 W or greater but less than 4,476 W | No. | | | |
| 8407.90.90 | 60 | 4,476 W or greater but not exceeding 18.65 kW | No. | | | |
| 8407.90.90 | 80 | Exceeding 18.65 kW | No. | | | |
| 8408 | | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines): | | | | |
| 8408.10.00 | | Marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8408.10.00 | 05 | Not exceeding 111.9 kW | No. | | | |
| 8408.10.00 | 15 | Exceeding 111.9 kW but not exceeding 149.2 kW | No. | | | |
| 8408.10.00 | 20 | Exceeding 149.2 kW but not exceeding 223.8 kW | No. | | | |
| 8408.10.00 | 30 | Exceeding 223.8 kW but not exceeding 373 kW | No. | | | |
| 8408.10.00 | 40 | Exceeding 373 kW but not exceeding 746 kW | No. | | | |
| 8408.10.00 | 50 | Exceeding 746 kW | 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 | No. | | | |
| 8408.20.10 | 80 | Exceeding 37.3 kW | No. | | | |
| 8408.20.20 | 00 | To be installed in vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | No. | 2.5% | Free (A*,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8408.20.90 | 00 | Other | No. | 2.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 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 | No. | | | |
| 8408.90.10 | 80 | Exceeding 37.3 kW | No. | | | |
| 8408.90.90 | | Other | | Free | | 35% |
| 8408.90.90 | 10 | Not exceeding 149.2 kW | No. | | | |
| 8408.90.90 | 20 | Exceeding 149.2 kW but not exceeding 373 kW | No. | | | |
| 8408.90.90 | 30 | Exceeding 373 kW but not exceeding 746 kW | No. | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
