| 8402 | | Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof: | | | | |
| 8403 | | Central heating boilers (other than those of heading 8402) and parts thereof: | | | | |
| 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% |
| 8406.90.50 | 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% |
| 8407 | | Spark-ignition reciprocating or rotary internal combustion piston engines: | | | | |
| 8407.32.10 | 00 | To be installed in tractors suitable for agricultural use | No. | Free | | Free |
| 8407.32.20 | | To be installed in vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | | Free | | 35% |
| 8407.33.10 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8407.33.30 | | To be installed in vehicles of subheading 8701.20, or heading 8702, 8703 or 8704: | | | | |
| 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 |
| 8407.34.14 | 00 | To be installed in vehicles of subheading 8701.20, or heading 8702, 8703 or 8704: | | | | |
| 8407.34.35 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 8407.34.44 | 00 | To be installed in vehicles of subheading 8701.20, or heading 8702, 8703 or 8704: | | | | |
| 8407.90.10 | | To be installed in agricultural or horticultural machinery or equipment | | Free | | Free |
| 8407.90.90 | 10 | Gas (natural or LP) engines | No. | | | |
| 8408 | | Compression-ignition internal combustion piston engines (diesel or semi-diesel engines): | | | | |
| 8408.20.10 | | To be installed in tractors suitable for agricultural use | | Free | | Free |
| 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% |
| 8408.90.10 | | 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% |
