HS Code for Industrial Alternators
The HS Code for industrial alternators is 850164. The MFN duty rate for importing to the US is 2.5%.
| HS Code (6-digit) | 850164 |
|---|---|
| US Duty Rate (MFN) | 2.5% |
| EU Duty Rate (MFN) | 2.7% |
| Chapter | 85 |
| Heading | 8501 |
| Last Updated | 2026-05 |
Description
AC generators (alternators), output exceeding 750 kVA
HS Code 850164 covers industrial AC alternators with an output exceeding 750 kVA and has a US MFN duty rate of 2.5%.
Frequently Asked Questions
What additional duties or fees apply when importing industrial alternators (HTS 850164) over 750 kVA into the United States?
Goods under HTS 850164 are subject to a 2.5% U.S. Most-Favored-Nation (MFN) duty rate. Additional costs include a 2.5% tariff for goods originating from China under Section 301, and a Merchandise Processing Fee (MPF) of 0.3464% of the entered value (minimum $31.67, maximum $609.80).
What are the key U.S. regulatory compliance requirements for importing industrial alternators (HTS 850164) exceeding 750 kVA?
Importers must ensure the alternator complies with U.S. Department of Energy (DOE) energy efficiency standards under 10 CFR Part 431. Additionally, for units containing oil for cooling or lubrication, EPA spill prevention control and countermeasure (SPCC) regulations may apply. An FCC declaration of conformity may also be required to demonstrate the equipment does not cause harmful electromagnetic interference.
What are the critical packaging requirements for shipping large industrial alternators (over 750 kVA) via ocean freight?
Industrial alternators must be crated on heavy-duty, waterproofed skids with internal blocking and bracing to prevent movement and protect the stator and rotor from shock and vibration. The packaging must allow for top-lift and side-lift by crane, and all exterior surfaces require a corrosion-resistant coating or VCI (Vapor Corrosion Inhibitor) packaging due to the long, humid sea voyage. Proper packaging is crucial to avoid damage claims and ensure the unit arrives ready for installation.
Seasonal Import Patterns for Industrial Alternators
Import volumes for industrial alternators (HTS 8501.64) demonstrate moderate seasonal trends, typically peaking in Q2 and Q3. This aligns with increased construction, infrastructure, and industrial project activity ahead of the summer and fall months, as well as pre-winter preparedness for backup power systems. Data from the U.S. International Trade Commission shows a consistent 10-20% volume increase in these quarters compared to Q1. A smaller, secondary peak often occurs in late Q4 for year-end capital expenditures and replacement parts for maintenance schedules.
Compliance & Regulatory Notes for Industrial Alternators
Industrial alternators under HTS 850164 are subject to energy efficiency regulations in many markets, such as the EU's Ecodesign Directive (Lot 11) for generators, which sets minimum efficiency and emissions requirements. Importers into the United States should verify if specific models comply with Department of Energy (DOE) regulations under 10 CFR 431. Additionally, alternators containing hazardous materials like specific oils or heavy metals in components may require material safety data sheets (MSDS) and adherence to REACH (EU) or TSCA (US) declarations. Always confirm the final power rating (kVA or kWe) and intended use with customs to ensure proper duty assessment and regulatory application.
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