Harmonized System
Section XVI > Chapter 84 > Heading 8408 > 8408.10
Marine propulsion engines
Section XVI > Chapter 84 > Heading 8408 > 8408.20
Engines of a kind used for the propulsion of vehicles of Chapter 87
Section XVI > Chapter 84 > Heading 8408 > 8408.90
Other engines
Section XVI > Chapter 84 > Heading 8409
Parts suitable for use solely or principally with the engines of heading 84.07 or 84.08.
Section XVI > Chapter 84 > Heading 8409 > 8409.10
For aircraft engines
Section XVI > Chapter 84 > Heading 8409 > 8409.9 > 8409.91
Suitable for use solely or principally with spark-ignition internal combustion piston engines
Section XVI > Chapter 84 > Heading 8410
Hydraulic turbines, water wheels, and regulators therefor.
Section XVI > Chapter 84 > Heading 8410 > 8410.1
Hydraulic turbines and water wheels