| 8407 | | Spark-ignition reciprocating or rotary internal combustion piston engines: | | | | |
| 8407.21.00 | | Marine propulsion engines: | | | | |
| 8407.31.00 | | Reciprocating piston engines of a kind used for the propulsion of vehicles of chapter 87: | | | | |
| 8407.31.00 | | Of a cylinder capacity not exceeding 50 cc | | Free | | 35% |
| 8407.32 | | Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc: | | | | |
| 8407.33 | | Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc: | | | | |
| 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 | | Of a cylinder capacity exceeding 1,000 cc: | | | | |
| 8407.34.05 | | Of a cylinder capacity not exceeding 2,000 cc: | | | | |
| 8407.34.35 | | Of a cylinder capacity exceeding 2,000 cc: | | | | |
| 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): | | | | |
| 8408.10.00 | | Marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8408.20 | | Engines of a kind used for the propulsion of vehicles of chapter 87: | | | | |
| 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 | | | |
| 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: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
