# HTS 8407: Spark-ignition reciprocating or rotary internal combustion piston engines: https://geopax.app/tariffs/catalog/84/8407 Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=8407). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator ## 8407: Spark-ignition reciprocating or rotary internal combustion piston engines: | Code | Description | General | Special | Column 2 | Units | | --- | --- | --- | --- | --- | --- | | 8407 | Spark-ignition reciprocating or rotary internal combustion piston engines: | | | | | | 8407.10.00 | Aircraft engines | Free | | 35% | | | | For use in civil aircraft: | Free | | 35% | | | | New: | Free | | 35% | | | 8407.10.00.20 | Less than 373 kW | Free | | 35% | No. | | 8407.10.00.40 | 373 kW or over | Free | | 35% | No. | | 8407.10.00.60 | Used or rebuilt | Free | | 35% | No. | | 8407.10.00.90 | Other | Free | | 35% | No. | | | Marine propulsion engines: | | | | | | 8407.21.00 | Outboard motors | Free | | 35% | | | 8407.21.00.40 | Less than 22.38 kW | Free | | 35% | No. | | 8407.21.00.80 | Other | Free | | 35% | No. | | 8407.29.00 | Other | Free | | 35% | | | 8407.29.00.10 | Inboard engines with outboard drive | Free | | 35% | No. | | | Inboard engines with inboard drive: | Free | | 35% | | | 8407.29.00.20 | Less than 746 W | Free | | 35% | No. | | 8407.29.00.30 | 746 W or greater, but not exceeding 18.65 kW | Free | | 35% | No. | | 8407.29.00.40 | Exceeding 18.65 kW | Free | | 35% | No. | | | 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% | | | 8407.31.00.40 | Less than 746 W | Free | | 35% | No. | | 8407.31.00.80 | Other | Free | | 35% | No. | | 8407.32 | Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc: | | | | | | 8407.32.10.00 | To be installed in tractors suitable for agricultural use | Free | | Free | No. | | 8407.32.20 | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 | Free | | 35% | | | 8407.32.20.40 | Used or rebuilt | Free | | 35% | No. | | 8407.32.20.80 | Other | Free | | 35% | No. | | 8407.32.90 | Other | Free | | 35% | | | 8407.32.90.40 | Not exceeding 18.65 kW | Free | | 35% | No. | | 8407.32.90.80 | Exceeding 18.65 kW | Free | | 35% | No. | | 8407.33 | Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc: | | | | | | 8407.33.10 | To be installed in tractors suitable for agricultural use | Free | | Free | | | 8407.33.10.30 | Not exceeding 37.3 kW | Free | | Free | No. | | | Exceeding 37.3 kW: | Free | | Free | | | 8407.33.10.60 | Air-cooled | Free | | Free | No. | | 8407.33.10.90 | Other | Free | | Free | No. | | | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704: | | | | | | 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% | | | 8407.33.30.40 | Used or rebuilt | Free | | 35% | No. | | 8407.33.30.80 | Other | Free | | 35% | No. | | 8407.33.60 | Other | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | | | 8407.33.60.40 | Used or rebuilt | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.33.60.80 | Other | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.33.90 | Other | Free | | 35% | | | 8407.33.90.40 | Not exceeding 18.65 kW | Free | | 35% | No. | | 8407.33.90.80 | Exceeding 18.65 kW | Free | | 35% | No. | | 8407.34 | Of a cylinder capacity exceeding 1,000 cc: | | | | | | | Of a cylinder capacity not exceeding 2,000 cc: | | | | | | 8407.34.05 | To be installed in tractors suitable for agricultural use | Free | | Free | | | 8407.34.05.30 | Not exceeding 37.3 kW | Free | | Free | No. | | | Exceeding 37.3 kW: | Free | | Free | | | 8407.34.05.60 | Air-cooled | Free | | Free | No. | | 8407.34.05.90 | Other | Free | | Free | No. | | | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704: | | | | | | 8407.34.14.00 | Used or rebuilt | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.34.18.00 | Other | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.34.25.00 | Other | Free | | 35% | No. | | | Of a cylinder capacity exceeding 2,000 cc: | | | | | | 8407.34.35 | To be installed in tractors suitable for agricultural use | Free | | Free | | | 8407.34.35.30 | Not exceeding 37.3 kW | Free | | Free | No. | | | Exceeding 37.3 kW: | Free | | Free | | | 8407.34.35.60 | Air-cooled | Free | | Free | No. | | 8407.34.35.90 | Other | Free | | Free | No. | | | To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704: | | | | | | 8407.34.44.00 | Used or rebuilt | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.34.48.00 | Other | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. | | 8407.34.55.00 | Other | Free | | 35% | No. | | 8407.90 | Other engines: | | | | | | 8407.90.10 | To be installed in agricultural or horticultural machinery or equipment | Free | | Free | | | | Not exceeding 37.3 kW: | Free | | Free | | | 8407.90.10.10 | Less than 4,476 W | Free | | Free | No. | | 8407.90.10.20 | Other | Free | | Free | No. | | | Other: | Free | | Free | | | 8407.90.10.60 | Air-cooled | Free | | Free | No. | | 8407.90.10.80 | Other | Free | | Free | No. | | 8407.90.90 | Other | Free | | 35% | | | 8407.90.90.10 | Gas (natural or liquid propane (LP)) engines | Free | | 35% | No. | | | Other: | Free | | 35% | | | 8407.90.90.20 | Less than 746 W | Free | | 35% | No. | | 8407.90.90.40 | 746 W or greater but less than 4,476 W | Free | | 35% | No. | | 8407.90.90.60 | 4,476 W or greater but not exceeding 18.65 kW | Free | | 35% | No. | | 8407.90.90.80 | Exceeding 18.65 kW | Free | | 35% | No. |