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HS Code 8501.64 : AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA

The 6-digit Harmonized System (HS) code for ac generators (alternators), other than photovoltaic generators, of an output exceeding 750 kva is 8501.64. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is 2.4% [USITC HTS Tariff Schedule 2026].

Chapter

Ch 85

Heading

8501

Subheading

8501.64

US MFN Duty

2.4%

MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY

Chapter 85

Electric motors and generators (excluding generating sets)

Heading 8501

8501

Electric motors and generators (excluding generating sets)

Subheading .64

.64

AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA

MODULE 4: SIGNATURE B: TARIFF MATRIX

Import Duty Rates by Destination

United States (USITC HTS 2026)

8501.64.01

Representative General Duty

2.4%

Verified July 2026 · USITC Source

MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)

Base Customs Duty

2.4%

MFN Rate [USITC]

Merchandise Processing Fee (MPF)

0.3464%

Min $32.71 / Max $634.62 [19 CFR 24.23]

Harbor Maintenance Fee (HMF)

0.125%

Ocean Cargo [19 CFR 24.24]

Federal Import VAT / GST

0.00%

US Has NO Federal VAT

Notice: Duty rates and trade remedies change frequently (Section 301, Section 232, anti-dumping orders, de minimis thresholds). Duty calculations are estimates for informational purposes only. Always verify exact rates with U.S. Customs and Border Protection (CBP) or a licensed customs broker prior to import.

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MODULE 6: Mandatory Customs Entry Document Matrix

Rule-Derived Customs Entry Package Checklist

UNIVERSAL DOCUMENT

Commercial Invoice

Itemized description, currency, Incoterms, seller/buyer details, and country of origin.

UNIVERSAL DOCUMENT

Packing List & Bill of Lading

Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.

AGENCY-CONDITIONAL (PGA)

FDA Prior Notice / USDA Phytosanitary Cert

Rule-derived from verified PGA flag: Mandatory prior notice filing and health certificate.

MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags

ACE PGA Message-Set Flags: FCC (FCC): FCC Equipment Authorization Form 740 (RF Devices)

Official ACE program code: ACE/PGA [FDA 21 CFR 1.276].

MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)

China Section 301 Tariff Status

7.5% – 25% Additional Duty (China Origin)

Section 232 Steel/Aluminum Status

Exempt (Non-Metal Commodity)

EU CBAM Carbon Alert

Not in Scope

MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)

Browse all preferential trade calculators & compliance tools in our Customs Tools Hub ↗.

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

Standard 20ft Container

~28 CBM / 28,000 kg Payload

Standard 40ft High-Cube

~68 CBM / 28,600 kg Payload

Stowage Factor & Handling

Standard commercial packaging for AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA

MODULE 11: Official CBP CROSS Binding Classification Rulings

No official CBP CROSS classification precedents indexed for subheading 850164 yet.

US National HTS Tariff Lines (8501.64)

HTS Code	Description	General Rate	Special (FTA) Rate	Column 2 Rate	Unit
8501.64.01	AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA	2.4%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	35%	—
8501.64.01.10	AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA, For wind-powered generating sets classified within 8502.31.00	Free	Free	Rate on request	No.
8501.64.01.25	AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA, Other, Exceeding 750 kVA but not exceeding 10,000 kVA	Free	Free	Rate on request	No.
8501.64.01.35	AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA, Other, Exceeding 10,000 kVA but not exceeding 40,000 kVA	Free	Free	Rate on request	No.
8501.64.01.55	AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA, Other, Other	Free	Free	Rate on request	No.

💡 U.S. Free Trade Agreement (FTA) Duty-Saver

HTS General Note 3(c) Eligible

Merchandise under HS 8501.64 may qualify for reduced or duty-free preferential rates under U.S. Free Trade Agreements (USMCA, KORUS, Australia FTA, Israel FTA, Chile FTA, etc.) when meeting statutory Rules of Origin:

10-Digit HTS	MFN Rate (General)	Preferential / FTA Rate (Special Program)
8501.64.01.10	2.4%	A: Generalized System of Preferences (GSP) AU: United States-Australia Free Trade Agreement BH: United States-Bahrain Free Trade Agreement CL: United States-Chile Free Trade Agreement CO: United States-Colombia Trade Promotion Agreement E: Caribbean Basin Economic Recovery Act (CBERA) IL: United States-Israel Free Trade Agreement JO: United States-Jordan Free Trade Agreement JP: U.S.-Japan Trade Agreement KR: U.S.-Korea Free Trade Agreement (KORUS) MA: United States-Morocco Free Trade Agreement OM: United States-Oman Free Trade Agreement P: United States-Mexico-Canada Agreement (USMCA / CUSMA / T-MEC) PA: United States-Panama Trade Promotion Agreement PE: United States-Peru Trade Promotion Agreement S: United States-Mexico-Canada Agreement (USMCA) SG: United States-Singapore Free Trade Agreement
8501.64.01.25	2.4%	A: Generalized System of Preferences (GSP) AU: United States-Australia Free Trade Agreement BH: United States-Bahrain Free Trade Agreement CL: United States-Chile Free Trade Agreement CO: United States-Colombia Trade Promotion Agreement E: Caribbean Basin Economic Recovery Act (CBERA) IL: United States-Israel Free Trade Agreement JO: United States-Jordan Free Trade Agreement JP: U.S.-Japan Trade Agreement KR: U.S.-Korea Free Trade Agreement (KORUS) MA: United States-Morocco Free Trade Agreement OM: United States-Oman Free Trade Agreement P: United States-Mexico-Canada Agreement (USMCA / CUSMA / T-MEC) PA: United States-Panama Trade Promotion Agreement PE: United States-Peru Trade Promotion Agreement S: United States-Mexico-Canada Agreement (USMCA) SG: United States-Singapore Free Trade Agreement
8501.64.01.35	2.4%	A: Generalized System of Preferences (GSP) AU: United States-Australia Free Trade Agreement BH: United States-Bahrain Free Trade Agreement CL: United States-Chile Free Trade Agreement CO: United States-Colombia Trade Promotion Agreement E: Caribbean Basin Economic Recovery Act (CBERA) IL: United States-Israel Free Trade Agreement JO: United States-Jordan Free Trade Agreement JP: U.S.-Japan Trade Agreement KR: U.S.-Korea Free Trade Agreement (KORUS) MA: United States-Morocco Free Trade Agreement OM: United States-Oman Free Trade Agreement P: United States-Mexico-Canada Agreement (USMCA / CUSMA / T-MEC) PA: United States-Panama Trade Promotion Agreement PE: United States-Peru Trade Promotion Agreement S: United States-Mexico-Canada Agreement (USMCA) SG: United States-Singapore Free Trade Agreement
8501.64.01.55	2.4%	A: Generalized System of Preferences (GSP) AU: United States-Australia Free Trade Agreement BH: United States-Bahrain Free Trade Agreement CL: United States-Chile Free Trade Agreement CO: United States-Colombia Trade Promotion Agreement E: Caribbean Basin Economic Recovery Act (CBERA) IL: United States-Israel Free Trade Agreement JO: United States-Jordan Free Trade Agreement JP: U.S.-Japan Trade Agreement KR: U.S.-Korea Free Trade Agreement (KORUS) MA: United States-Morocco Free Trade Agreement OM: United States-Oman Free Trade Agreement P: United States-Mexico-Canada Agreement (USMCA / CUSMA / T-MEC) PA: United States-Panama Trade Promotion Agreement PE: United States-Peru Trade Promotion Agreement S: United States-Mexico-Canada Agreement (USMCA) SG: United States-Singapore Free Trade Agreement

⚠️ GSP Statutory Caveat: Tariff preference codes A, A+, A* refer to the U.S. Generalized System of Preferences. GSP duty-free entry applies when GSP statutory authorization is currently in effect by U.S. Congress.

📜 Certificate of Origin Requirement: Preferential tariff treatment requires a valid Certificate of Origin demonstrating compliance with product-specific Rules of Origin (tariff shift or Regional Value Content). Eligibility is not automatic — verify origin rules at HTS General Note 3(c) Authority.

Informational lookup only — not legal, customs, or compliance advice. Verify official FTA eligibility with U.S. Customs and Border Protection (CBP) and a licensed customs broker before claiming preference on entry.

US 10-Digit Statistical HTS Breakout (8501.64)

4 Declarable Lines · USITC 2026

10-Digit HTS Code	Statistical Description	General MFN Rate	FTA / Special Rate	Unit
8501.64.01.10	Electric motors and generators (excluding generating sets): AC generators (alternators), other than photovoltaic generators: Of an output exceeding 750 kVA For wind-powered generating sets classified within 8502.31.00	2.4%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	No.
8501.64.01.25	Electric motors and generators (excluding generating sets): AC generators (alternators), other than photovoltaic generators: Of an output exceeding 750 kVA Other: Exceeding 750 kVA but not exceeding 10,000 kVA	2.4%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	No.
8501.64.01.35	Electric motors and generators (excluding generating sets): AC generators (alternators), other than photovoltaic generators: Of an output exceeding 750 kVA Other: Exceeding 10,000 kVA but not exceeding 40,000 kVA	2.4%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	No.
8501.64.01.55	Electric motors and generators (excluding generating sets): AC generators (alternators), other than photovoltaic generators: Of an output exceeding 750 kVA Other: Other	2.4%	Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)	No.

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code	Heading Category	Action
8501.10	Subheading under Heading 8501	HS 8501.10 undefined Duty & Entry Rules →
8501.20	Subheading under Heading 8501	HS 8501.20 undefined Duty & Entry Rules →
8501.31	Subheading under Heading 8501	HS 8501.31 undefined Duty & Entry Rules →
8501.32	Subheading under Heading 8501	HS 8501.32 undefined Duty & Entry Rules →

MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)

U.S. Census NAICS Code

333611 : Engine, Turbine, and Power Transmission Equipment Manufacturing

U.S. Census Schedule B (Exports)

8501.64.0120 : AC GENERATORS (ALTRS) GT 750 KVA BUT LT=10,000 KVA

Official Primary Sources & Authority References

USITC HTS Chapter 85 Tariff Schedule (2026) ↗

Official U.S. 10-digit tariff lines and general duty rates for AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA.

CBP CROSS Ruling Database (8501.64) ↗

Binding customs classification precedents for Heading 8501.

MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide

What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA?

Under WCO Harmonized System 2022 and United States (USITC HTS), AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA is classified under HS 8501.64 (Heading 8501, Chapter 85). The representative US MFN general duty rate is 2.4%.

How is HS 8501.64 distinguished within Heading 8501 (Electric motors and generators (excluding generating sets))?

Heading 8501 covers Electric motors and generators (excluding generating sets). Subheading 8501.64 specifically isolates AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 8501.

What are the primary candidate subheadings related to HS 8501.64?

Related subheadings under Heading 8501 include 8501.10, 8501.20, 8501.31, 8501.32, 8501.33, 8501.34, 8501.40, 8501.51. Classification depends on processing stage, decaffeination, purity, or material form.

What mandatory commercial entry documents are required to import AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA?

Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.

Can goods under HS 8501.64 enter duty-free under USMCA or Free Trade Agreements?

Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.

What is the US formal entry threshold for shipments of AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA?

Commercial shipments of AC generators (alternators), other than photovoltaic generators, Of an output exceeding 750 kVA with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.

How can an importer obtain a binding CBP classification ruling for HS 8501.64?

Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.

What U.S. Census NAICS industry code corresponds to HS 8501.64?

HS 8501.64 maps to NAICS code 333611 (Engine, Turbine, and Power Transmission Equipment Manufacturing) under official U.S. Census Bureau trade concordance tables.

Does the United States assess federal VAT or GST on imports of HS 8501.64?

No. The United States does NOT charge a federal Value-Added Tax (VAT) or Goods and Services Tax (GST) on imports. Importers pay customs duty + MPF + HMF (if ocean freight).

How are Merchandise Processing Fee (MPF) and Harbor Maintenance Fee (HMF) calculated?

MPF is assessed at 0.3464% of entered value (min $32.71, max $634.62 per entry). HMF is assessed at 0.125% on ocean freight shipments entering US ports.

What is the Section 321 de minimis duty-free threshold for HS 8501.64?

Under Section 321 (19 U.S.C. 1321), eligible shipments valued at $800 USD or less imported by one person on one day enter duty-free and tax-free.

What U.S. Customs bond requirements apply to commercial entries under HS 8501.64?

Formal entries with customs value exceeding $2,500 USD require a continuous customs entry bond (CBP Form 301) to guarantee payment of duties, taxes, and fees.

What Importer Security Filing (ISF 10+2) rules apply to ocean imports of HS 8501.64?

Ocean container shipments bound for US ports require electronic ISF 10+2 submission via ACE at least 24 hours before loading at foreign ports.

How do USMCA preference rules apply to commercial imports under HS 8501.64?

Qualifying originating goods from Canada or Mexico meeting USMCA tariff-shift or Regional Value Content (RVC) rules enter duty-free under SPI code 'P'.

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