| 8402.19.00 | 00 | Other vapor generating boilers, including hybrid boilers | t | 5.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 45% |
| 8405 | | Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof: | | | | |
| 8405.10.00 | 00 | Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers | X | Free | | 45% |
| 8406.10 | | Turbines for marine propulsion: | | | | |
| 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. | 6.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 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% |
| 8407.21.00 | | Marine propulsion engines: | | | | |
| 8407.29.00 | 10 | Inboard engines with outboard drive | No. | | | |
| 8407.29.00 | 20 | Inboard engines with inboard drive: | | | | |
| 8407.32.10 | 00 | To be installed in tractors suitable for agricultural use | No. | Free | | Free |
| 8407.33.10 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8407.33.30 | | To be installed in vehicles specially designed for traveling on snow, golf carts, non-amphibious all-terrain vehicles and burden carriers | | Free | | 35% |
| 8407.34.05 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8407.34.35 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8407.90.10 | | To be installed in agricultural or horticultural machinery or equipment | | Free | | Free |
| 8408.10.00 | | Marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8408.20.10 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8408.90.10 | | To be installed in agricultural or horticultural machinery or equipment | | Free | | Free |
| 8409 | | Parts suitable for use solely or principally with the engines of heading 8407 or 8408: | | | | |
| 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 | 60 | For marine propulsion engines | kg | | | |
| 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 | 60 | For marine propulsion engines | kg | | | |