Wärtsilä 31SG Emergency Diesel Engine

A 1,200 kW inline diesel engine certified for emergency power in nuclear facilities and hospitals. HTS 8408.90.9050 covers this compression-ignition piston engine exceeding 1,119 kW for critical standby generation. Meets stringent reliability standards like ISO 8528 G3.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8502.11.00Higher: 37.5% vs 35%

If imported as full emergency genset

Complete generator sets for standby power are classified separately from engines.

8411.99.90Higher: 37.4% vs 35%

If turbocharger components dominate

Parts like high-power turbochargers may classify under gas turbine parts if separate.

9032.89.60Higher: 36.7% vs 35%

If with integrated automatic controls

If imported as engine with sophisticated testing/control apparatus, may shift to Chapter 90.

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

Include seismic qualification certificates for facility-specific imports

Pre-clear with NRC-equivalent docs if for regulated critical infrastructure

Batch import with spares to optimize shipping and duties under one entry

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