HTS Number	Description	Unit of Quantity	General Rate of Duty	Details
8407 9090	Other		Free
8407 9090.10	Gas (natural or liquid propane (LP)) engines	No.	Free	More
8407 9090.20	Less than 746 W	No.	Free	More
8407 9090.40	746 W or greater but less than 4,476 W	No.	Free	More
8407 9090.60	4,476 W or greater but not exceeding 18.65 kW	No.	Free	More
8407 9090.80	Exceeding 18.65 kW	No.	Free	More