HS Code 8407.90 : Other engines
The 6-digit Harmonized System (HS) code for other engines is 8407.90. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is Free [USITC HTS Tariff Schedule 2026].
Import Duty Rates by Destination
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8407.90
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MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Official CBP CROSS Binding Classification Rulings
No official CBP CROSS classification precedents indexed for subheading 840790 yet.
US National HTS Tariff Lines (8407.90)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 8407.90 | Other engines | Free | Free | Rate on request | — |
| 8407.90.10 | Other engines, To be installed in agricultural or horticultural machinery or equipment | Free | Free | Free | — |
| 8407.90.10.10 | Other engines, To be installed in agricultural or horticultural machinery or equipment, Not exceeding |
Free | Free | Rate on request | No. |
| 8407.90.10.20 | Other engines, To be installed in agricultural or horticultural machinery or equipment, Not exceeding |
Free | Free | Rate on request | No. |
| 8407.90.10.60 | Other engines, To be installed in agricultural or horticultural machinery or equipment, Other, Air-cooled | Free | Free | Rate on request | No. |
| 8407.90.10.80 | Other engines, To be installed in agricultural or horticultural machinery or equipment, Other, Other | Free | Free | Rate on request | No. |
| 8407.90.90 | Other engines, Other | Free | Free | 35% | — |
| 8407.90.90.10 | Other engines, Other, Gas (natural or liquid propane (LP)) engines | Free | Free | Rate on request | No. |
| 8407.90.90.20 | Other engines, Other, Other, Less than |
Free | Free | Rate on request | No. |
| 8407.90.90.40 | Other engines, Other, Other, |
Free | Free | Rate on request | No. |
| 8407.90.90.60 | Other engines, Other, Other, |
Free | Free | Rate on request | No. |
| 8407.90.90.80 | Other engines, Other, Other, Exceeding |
Free | Free | Rate on request | No. |
HS 8407.90 appears in the scope of 4 active U.S. Antidumping/Countervailing Duty order(s) — covering Certain Vertical Shaft Engines Between 22C and 999CC, and Parts Thereof, Certain Vertical Shaft Engines Between 99 Cubic Centimeters and Up to 225cc, and Parts Thereof, Certain Vertical Shaft Engines Between 99cc and Up to 225cc, and Parts Thereof from China (Commerce case(s) A-570-119, C-570-120, C-570-125, A-570-124). Scope is defined by written product description, and duty rates are exporter-specific.
US 10-Digit Statistical HTS Breakout (8407.90)
10 Declarable Lines · USITC 2026If imported from China, merchandise under this HTS line carries an additional Section 301 tariff (see HTS heading 9903.88.02, 9903.88.69). Applicable Section 301 rates depend on country of origin — verify exact rate and exemptions at hts.usitc.gov.
| 10-Digit HTS Code | Statistical Description | General MFN Rate | FTA / Special Rate | Unit |
|---|---|---|---|---|
| 8407.90.10 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: To be installed in agricultural or horticultural machinery or equipment | Free | Base MFN | — |
| 8407.90.10.10 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: To be installed in agricultural or horticultural machinery or equipment Not exceeding 37.3 kW: Less than 4,476 W | Free | Base MFN | No. |
| 8407.90.10.20 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: To be installed in agricultural or horticultural machinery or equipment Not exceeding 37.3 kW: Other | Free | Base MFN | No. |
| 8407.90.10.60 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: To be installed in agricultural or horticultural machinery or equipment Other: Air-cooled | Free | Base MFN | No. |
| 8407.90.10.80 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: To be installed in agricultural or horticultural machinery or equipment Other: Other | Free | Base MFN | No. |
| 8407.90.90.10 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: Other Gas (natural or liquid propane (LP)) engines | Free | Base MFN | No. |
| 8407.90.90.20 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: Other Other: Less than 746 W | Free | Base MFN | No. |
| 8407.90.90.40 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: Other Other: 746 W or greater but less than 4,476 W | Free | Base MFN | No. |
| 8407.90.90.60 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: Other Other: 4,476 W or greater but not exceeding 18.65 kW | Free | Base MFN | No. |
| 8407.90.90.80 | Spark-ignition reciprocating or rotary internal combustion piston engines: Other engines: Other Other: Exceeding 18.65 kW | Free | Base MFN | No. |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8407.10 | Subheading under Heading 8407 | HS 8407.10 undefined Duty & Entry Rules → |
| 8407.21 | Subheading under Heading 8407 | HS 8407.21 undefined Duty & Entry Rules → |
| 8407.29 | Subheading under Heading 8407 | HS 8407.29 undefined Duty & Entry Rules → |
| 8407.31 | Subheading under Heading 8407 | HS 8407.31 undefined Duty & Entry Rules → |
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
Official Primary Sources & Authority References
USITC HTS Chapter 84 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Other engines.
CBP CROSS Ruling Database (8407.90) ↗
Binding customs classification precedents for Heading 8407.