GE Prolec 120 MVA GSU Transformer

GE Prolec Generator Step-Up (GSU) transformer with 120 MVA capacity, oil-cooled for power plant applications exceeding 100,000 kVA threshold. It connects generators to transmission lines with high efficiency. Fits HTS 8504.23.00.80 for its liquid dielectric and extreme power rating.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.6%+35.0%36.6%
🇲🇽Mexico1.6%+10.0%11.6%
🇨🇦Canada1.6%+10.0%11.6%
🇩🇪Germany1.6%+10.0%11.6%
🇯🇵Japan1.6%+10.0%11.6%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8504.23.00Same rate: 36.6%

If power capacity 10,000-100,000 kVA

Intermediate capacity range has dedicated statistical suffix.

8504.90.75Lower: 35% vs 36.6%

If imported as core-and-coil assemblies without tank

Incomplete transformers lacking enclosure classified as parts.

8411.82.80Higher: 37.5% vs 36.6%

If primarily functioning as gas turbine turbo-generator component

Integrated power generation equipment may shift to Chapter 84.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide DOE efficiency standards compliance docs, as large transformers face energy regulations

Label dielectric fluid composition clearly; certain oils require EPA import notifications

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