HTS 8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)

Product or HTS code

Rate lines17

Code	Description	General	Special	Column 2	Units
8408.10.00	8408.10.00Marine propulsion enginesGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35%	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%
8408.10.00.05	8408.10.00.05Not exceeding 111.9 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.10.00.15	8408.10.00.15Exceeding 111.9 kW but not exceeding 149.2 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.10.00.20	8408.10.00.20Exceeding 149.2 kW but not exceeding 223.8 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.10.00.30	8408.10.00.30Exceeding 223.8 kW but not exceeding 373 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.10.00.40	8408.10.00.40Exceeding 373 kW but not exceeding 746 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.10.00.50	8408.10.00.50Exceeding 746 kWGeneral 2.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.20	8408.20Engines of a kind used for the propulsion of vehicles of chapter 87
8408.20.10	8408.20.10To be installed in tractors suitable for agricultural useGeneral Free · Column 2 Free	Free		Free
8408.20.10.40	8408.20.10.40Not exceeding 37.3 kWGeneral Free · Column 2 Free · No.	Free		Free	No.
8408.20.10.80	8408.20.10.80Exceeding 37.3 kWGeneral Free · Column 2 Free · No.	Free		Free	No.
8408.20.20.00	8408.20.20.00To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704General 2.5% · Special Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.20.90.00	8408.20.90.00OtherGeneral 2.5% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 35% · No.	2.5%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	35%	No.
8408.90	8408.90Other engines
8408.90.10	8408.90.10To be installed in agricultural or horticultural machinery or equipmentGeneral Free · Column 2 Free	Free		Free
8408.90.10.40	8408.90.10.40Not exceeding 37.3 kWGeneral Free · Column 2 Free · No.	Free		Free	No.
8408.90.10.80	8408.90.10.80Exceeding 37.3 kWGeneral Free · Column 2 Free · No.	Free		Free	No.
8408.90.90	8408.90.90OtherGeneral Free · Column 2 35%	Free		35%
8408.90.90.10	8408.90.90.10Not exceeding 149.2 kWGeneral Free · Column 2 35% · No.	Free		35%	No.
8408.90.90.20	8408.90.90.20Exceeding 149.2 kW but not exceeding 373 kWGeneral Free · Column 2 35% · No.	Free		35%	No.
8408.90.90.30	8408.90.90.30Exceeding 373 kW but not exceeding 746 kWGeneral Free · Column 2 35% · No.	Free		35%	No.
8408.90.90.40	8408.90.90.40Exceeding 746 kW but not exceeding 1,119 kWGeneral Free · Column 2 35% · No.	Free		35%	No.
8408.90.90.50	8408.90.90.50Exceeding 1,119 kWGeneral Free · Column 2 35% · No.	Free		35%	No.

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Mexico34.61% of imports	Germany15.42% of imports	United Kingdom15.34% of imports	Japan13.7% of imports	France4.41% of imports	Sweden3.11% of imports	South Korea2.64% of imports	Italy2.42% of imports	India1.83% of imports	Austria1.81% of imports
8408.10.00.05Not exceeding 111.9 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.10.00.15Exceeding 111.9 kW but not exceeding 149.2 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.10.00.20Exceeding 149.2 kW but not exceeding 223.8 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.10.00.30Exceeding 223.8 kW but not exceeding 373 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.10.00.40Exceeding 373 kW but not exceeding 746 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.10.00.50Exceeding 746 kW	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.20.10.40Not exceeding 37.3 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.20.10.80Exceeding 37.3 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.20.20.00To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704	From 2.5%Depends on product facts	From 15%9903.94.53Depends on product facts	From 10%9903.94.32Depends on product facts	VariesDepends on product facts	From 15%9903.94.53Depends on product facts	From 15%9903.94.53Depends on product facts	From 15%9903.94.63Depends on product facts	From 15%9903.94.53Depends on product facts	From 2.5%Depends on product facts	From 15%9903.94.53Depends on product facts
8408.20.90.00Other	12.5%9903.05.55	10%9903.05.39	12.5%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	12.5%9903.05.44	10%9903.05.39
8408.90.10.40Not exceeding 37.3 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.10.80Exceeding 37.3 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.90.10Not exceeding 149.2 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.90.20Exceeding 149.2 kW but not exceeding 373 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.90.30Exceeding 373 kW but not exceeding 746 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.90.40Exceeding 746 kW but not exceeding 1,119 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39
8408.90.90.50Exceeding 1,119 kW	10%9903.05.55	10%9903.05.39	10%9903.05.81	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	12.5%9903.05.71	10%9903.05.39	10%9903.05.44	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).