Cummins QSK38-G4 Industrial Diesel Engine

Robust 800 kW diesel engine for stationary industrial applications like oilfield drilling rigs. HTS 8408.90.90.40 applies to this other compression-ignition piston engine in the 746-1,119 kW range, excluding marine propulsion specifics.

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.

8408.10.00Higher: 37.5% vs 35%

If for marine propulsion specifically

Dedicated ship propulsion diesels classify under dedicated marine subheading 8408.10.

8502.20.00Higher: 37% vs 35%

If sold as complete diesel-electric generator set

Liquid dielectric generators including engine classify in 8502 by electrical output.

8430.49.80Same rate: 35%

If other drilling equipment parts

Component engines integral to classified drilling machines follow machine classification.

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 OEM power curve graphs; power miscalculation is top audit trigger for this subheading

Certify non-road use with EPA/NHTA docs if applicable to bypass vehicle engine rules

Package with vibration mounts specified for industrial fixed installs to support classification

Related Products under HTS 8408.90.90.40

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