| 8402.90.00 | 10 | Heat exchangers | t | | | |
| 8403.10.00 | 00 | Boilers | No. | Free | | 45% |
| 8403.90.00 | 00 | Parts | X | Free | | 45% |
| 8404.10.00 | 10 | Economizers | t | | | |
| 8404.20.00 | 00 | Condensers for steam or other vapor power units | t | 5.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 45% |
| 8404.90.00 | 00 | Parts | X | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 45% |
| 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% |
| 8405.90.00 | 00 | Parts | X | Free | | 45% |
| 8406.10.10 | 00 | Steam turbines | No. | 6.7% | Free (A,BH,CA,CL, E,IL,J,JO, MA,MX,P,SG) 3.3% (AU) | 20% |
| 8406.81.10 | | Steam turbines | | 6.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 8406.82.10 | | Steam turbines | | 6.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 8406.90.20 | 00 | Rotors, finished for final assembly | No. | 6.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 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% |
| 8406.90.40 | 00 | Blades, rotating or stationary | No. | 6.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 8406.90.45 | 40 | Rotors or spindles and rotor or spindle assemblies | No. | | | |
| 8406.90.50 | 00 | Rotors, finished for final assembly | No. | Free | | 27.5% |
| 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% |
| 8406.90.70 | 00 | Blades, rotating or stationary | No. | Free | | 27.5% |
| 8407.10.00 | | Aircraft engines | | Free | | 35% |
| 8407.21.00 | | Outboard motors | | Free | | 35% |
| 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% |
| 8407.90.90 | 10 | Gas (natural or LP) engines | No. | | | |
| 8408.10.00 | | Marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.10.00 | | For aircraft engines | | Free | | 35% |
| 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% |
