Cummins QSB4.5 Diesel Engine

The Cummins QSB4.5 is a 4.5-liter compression-ignition diesel engine delivering up to 130 kW, designed for industrial and marine applications. It falls under HTS 8408.90.90.10 as a diesel piston engine not exceeding 149.2 kW, excluding automotive or aircraft uses. Classified here due to its power output and non-road vehicle application.

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.

8408.20.90.00Higher: 37.5% vs 35%

If spark-ignition gasoline engine

Gasoline piston engines fall under 8408.20, differentiated by ignition type from compression-ignition diesels.

8412.90.90Same rate: 35%

If imported as a complete engine assembly for specific machinery

If presented as a dedicated engine for reaction engines or marine propulsion, it may shift to Chapter 84 machinery parts.

8708.99.81Higher: 37.5% vs 35%

If for use in non-road construction vehicles

Engines principally used in self-propelled construction machinery like excavators may classify under vehicle parts in Chapter 87.

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

Verify engine power rating with manufacturer specs to confirm <149.2 kW classification

Obtain EPA or CARB certificates for emissions compliance to avoid customs delays

Include detailed invoices specifying diesel type and end-use to prevent misclassification as automotive parts

Related Products under HTS 8408.90.90.10

Yanmar 4TNV98 Diesel Engine

Yanmar 4TNV98 is a compact 4-cylinder diesel engine rated at 52 kW, commonly used in construction equipment and generators. It qualifies for HTS 8408.90.90.10 as a compression-ignition piston engine under 149.2 kW power limit. Excluded from automotive categories due to industrial end-use.

Perkins 404D-22 Industrial Diesel Engine

Perkins 404D-22 is a 2.2-liter 4-cylinder diesel engine producing 37 kW, optimized for agricultural and construction machinery. Classified under HTS 8408.90.90.10 for its diesel compression-ignition design and power below 149.2 kW threshold.

Deutz BF4M2011 Diesel Engine

Deutz BF4M2011 is a water-cooled 4-cylinder diesel engine rated at 74 kW for generator sets and compressors. It fits HTS 8408.90.90.10 as a non-automotive compression-ignition engine under 149.2 kW.

Kubota V2403-M Diesel Engine

Kubota V2403-M is a vertical 4-cylinder indirect injection diesel engine at 36 kW for industrial loaders and pumps. Under HTS 8408.90.90.10 for diesel piston engines ≤149.2 kW excluding specified exclusions.

Isuzu 4JJ1-TC Industrial Diesel Engine

Isuzu 4JJ1-TC is a 3.0L turbocharged diesel engine producing 110 kW for forklifts and compact equipment. Classified in HTS 8408.90.90.10 due to compression-ignition design and power under 149.2 kW.

John Deere 4045TF285 Diesel Engine

John Deere 4045TF285 is a powertech diesel engine rated 110 kW for marine auxiliary and industrial use. Fits HTS 8408.90.90.10 as non-marine propulsion diesel piston engine <149.2 kW.