| 8407.34.35 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 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 |
| 8409 | | Parts suitable for use solely or principally with the engines of heading 8407 or 8408: | | | | |
| 8409.10.00 | | For aircraft engines | | Free | | 35% |
| 8409.10.00 | 40 | For use in civil aircraft | kg | | | |
| 8409.91 | | Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines): | | | | |
| 8409.91.10 | | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery | | Free | | 10% |
| 8409.91.10 | 40 | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | kg | | | |
| 8409.91.10 | 60 | For marine propulsion engines | kg | | | |
| 8409.91.30 | 00 | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704: | | | | |
| 8409.91.92 | | For marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.99.10 | | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery | | Free | | 10% |
| 8409.99.10 | 40 | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | kg | | | |
| 8409.99.10 | 60 | For marine propulsion engines | kg | | | |
| 8409.99.91 | | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | | 2.5% | Free (A*,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.99.92 | | For marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8410 | | Hydraulic turbines, water wheels and regulators therefor; parts thereof: | | | | |
| 8411.91.10 | | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery | | Free | | 10% |
| 8411.91.10 | 60 | For use in civil aircraft | kg | | | |
| 8411.99.10 | | Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery | | Free | | 10% |
| 8411.99.10 | 40 | For use in civil aircraft | X | | | |
| 8412.29.40 | 00 | Hydrojet engines for marine propulsion | No. | Free | | 30% |
| 8412.90.10 | 00 | Of hydrojet engines for marine propulsion | X | Free | | 30% |
| 8413 | | Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: | | | | |
Harmonized Tariff Schedule of the United States inquiry: gaming
