HS Code for Small Gas Turbines and Microturbines
The HS Code for small gas turbines and microturbines is 841181. The MFN duty rate for importing to the US is 2.5%.
| HS Code (6-digit) | 841181 |
|---|---|
| US Duty Rate (MFN) | 2.5% |
| EU Duty Rate (MFN) | 2.7% |
| Chapter | 84 |
| Heading | 8411 |
| Last Updated | 2026-05 |
Description
Other gas turbines of a power not exceeding 5000 kW
HS Code 841181 covers small gas turbines and microturbines under 5000 kW with a 2.5% US duty rate.
Frequently Asked Questions
What are the critical shipping and packaging requirements for small gas turbines under HTS 841181 to prevent customs delays?
Small gas turbines and microturbines must be shipped in robust, waterproof, and shock-absorbent packaging with all internal components securely blocked and braced to prevent movement. The outer packaging must clearly display handling marks for heavy machinery and 'Fragile' to avoid improper handling. Failure to adhere to these standards can lead to damage during transit, resulting in customs inspections for safety and valuation issues.
What are the specific U.S. import restrictions for small gas turbines under 5000 kW (HTS 841181) regarding their potential dual-use applications?
The U.S. Bureau of Industry and Security (BIS) requires an export license (re-export controlled via EAR) for the import of many small gas turbines under ECCN 9A991, due to anti-terrorism controls. Additionally, turbines with specific performance characteristics or intended for certain end-uses (e.g., unmanned aerial vehicles) may fall under stricter national security (NS2) controls, requiring a validated license prior to import.
How does the presence of a heat recovery system affect the classification of a small gas turbine under HTS 8411.81?
The inclusion of a heat recovery system, such as a recuperator or regenerator, does not change the classification if the unit remains primarily a gas turbine engine. However, if the heat recovery components are integrated in a manner that creates a distinct functional unit primarily designed for combined heat and power (CHP) applications, it may be classified elsewhere, such as under HTS 8411.82 for parts of other gas turbines or potentially under a heading for other machinery.
Country-Specific Import Restrictions for Small Gas Turbines (HTS 841181)
Imports of small gas turbines and microturbines under HTS 841181 are subject to specific country controls, primarily for national security and anti-terrorism reasons. For example, the U.S. Department of Commerce Bureau of Industry and Security (BIS) requires an export license (or re-export license) for shipments to destinations like Russia, Belarus, Iran, and Syria under EAR regulations (e.g., ECCN 9A991). China also maintains import licensing requirements for certain gas turbines as part of its Catalogue of Technologies and Products Prohibited and Restricted from Import. U.S. importers must also comply with the Anti-Terrorism (ATPA) and Importer Security Filing (ISF) regulations enforced by CBP.
Common Classification Mistakes for Small Gas Turbines & Microturbines
A frequent error is classifying microturbines for power generation (HTS 841181) under code 8411.82 for turbines of over 5000 kW, as their output is typically well below this threshold. Another common mistake is misclassifying the gas turbine engine of a vehicle or aircraft (e.g., under Chapter 87 or 88) as a standalone unit. Additionally, importers sometimes incorrectly classify complete co-generation or combined heat and power (CHP) systems as a single unit; the microturbine itself belongs in 841181, while heat recovery components and electrical controls are separately classifiable (e.g., under heading 8419 or 8537).
Related HS Codes
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