Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
HTS heading 8407: Spark-ignition reciprocating or rotary internal combustion piston engines
66 numbered lines under heading 8407, including 47 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 8407 | Spark-ignition reciprocating or rotary internal combustion piston engines: | ||||
| 8407.10.00 | Aircraft engines | Free | 35% | ||
| For use in civil aircraft: | |||||
| New: | |||||
| 8407.10.00.20 | Less than 373 kW | No. | |||
| 8407.10.00.40 | 373 kW or over | No. | |||
| 8407.10.00.60 | Used or rebuilt | No. | |||
| 8407.10.00.90 | Other | No. | |||
| Marine propulsion engines: | |||||
| 8407.21.00 | Outboard motors | Free | 35% | ||
| 8407.21.00.40 | Less than 22.38 kW | No. | |||
| 8407.21.00.80 | Other | No. | |||
| 8407.29.00 | Other | Free | 35% | ||
| 8407.29.00.10 | Inboard engines with outboard drive | No. | |||
| Inboard engines with inboard drive: | |||||
| 8407.29.00.20 | Less than 746 W | No. | |||
| 8407.29.00.30 | 746 W or greater, but not exceeding 18.65 kW | No. | |||
| 8407.29.00.40 | Exceeding 18.65 kW | 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 | No. | |||
| 8407.31.00.80 | Other | 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 | No. | Free | Free | |
| 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 | No. | |||
| 8407.32.20.80 | Other | No. | |||
| 8407.32.90 | Other | Free | 35% | ||
| 8407.32.90.40 | Not exceeding 18.65 kW | No. | |||
| 8407.32.90.80 | Exceeding 18.65 kW | 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 | No. | |||
| Exceeding 37.3 kW: | |||||
| 8407.33.10.60 | Air-cooled | No. | |||
| 8407.33.10.90 | Other | 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 | No. | |||
| 8407.33.30.80 | Other | 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 | No. | |||
| 8407.33.60.80 | Other | No. | |||
| 8407.33.90 | Other | Free | 35% | ||
| 8407.33.90.40 | Not exceeding 18.65 kW | No. | |||
| 8407.33.90.80 | Exceeding 18.65 kW | 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 | No. | |||
| Exceeding 37.3 kW: | |||||
| 8407.34.05.60 | Air-cooled | No. | |||
| 8407.34.05.90 | Other | 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 | No. | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8407.34.18.00 | Other | No. | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8407.34.25.00 | Other | No. | Free | 35% | |
| 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 | No. | |||
| Exceeding 37.3 kW: | |||||
| 8407.34.35.60 | Air-cooled | No. | |||
| 8407.34.35.90 | Other | 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 | No. | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8407.34.48.00 | Other | No. | 2.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8407.34.55.00 | Other | No. | Free | 35% | |
| 8407.90 | Other engines: | ||||
| 8407.90.10 | To be installed in agricultural or horticultural machinery or equipment | Free | Free | ||
| Not exceeding 37.3 kW: | |||||
| 8407.90.10.10 | Less than 4,476 W | No. | |||
| 8407.90.10.20 | Other | No. | |||
| Other: | |||||
| 8407.90.10.60 | Air-cooled | No. | |||
| 8407.90.10.80 | Other | No. | |||
| 8407.90.90 | Other | Free | 35% | ||
| 8407.90.90.10 | Gas (natural or liquid propane (LP)) engines | No. | |||
| Other: | |||||
| 8407.90.90.20 | Less than 746 W | No. | |||
| 8407.90.90.40 | 746 W or greater but less than 4,476 W | No. | |||
| 8407.90.90.60 | 4,476 W or greater but not exceeding 18.65 kW | No. | |||
| 8407.90.90.80 | Exceeding 18.65 kW | No. |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.