Subheading 840710: Engines; for Aircraft, Spark-ignition Reciprocating or Rotary … etc.
Subheading 840721: Engines; Outboard Motors for Marine Propulsion, Spark-ignitio … etc.
Subheading 840729: Engines; for Marine Propulsion, (other than Outboard Motors), … etc.
Subheading 840731: Engines; Reciprocating Piston Engines, of a Kind Used for the … etc.
Subheading 840732: Engines; Reciprocating Piston Engines, of a Kind Used for the … etc.
Subheading 840733: Engines; Reciprocating Piston Engines, of a Kind Used for the … etc.
Subheading 840734: Engines; Reciprocating Piston Engines, of a Kind Used for the … etc.
Subheading 840790: Engines; Rotary Internal Combustion Piston Engines, for other … etc.