Cummins QSB6.7 Inboard Boat Engine

A robust 480 hp spark-ignition inboard engine with 6.7L displacement for high-performance yachts and workboats. HTS 8407.29.0040 applies as it surpasses 18.65 kW for marine inboard propulsion with direct drive transmission. Built for durability in saltwater environments with heat exchanger cooling.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³ChinaFree+35.0%35%
šŸ‡²šŸ‡½MexicoFree+10.0%10%
šŸ‡ØšŸ‡¦CanadaFree+10.0%10%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+10.0%10%

Alternative Classifications

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

8407.34Lower: 25% vs 35%

If exceeds 373.4 kW rated power

Higher power threshold moves it to 8407.34 statistical suffix within marine engines.

8407Same rate: 35%

If for industrial non-propulsion applications

Heading 8407.49 covers spark-ignition engines not for vehicles, aircraft, or marine propulsion.

8502.31.00Higher: 37.5% vs 35%

If imported with integrated generating set

Complete generator sets including engines classify under heading 8502, not separate engines.

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

• Obtain original equipment manufacturer (OEM) power curve documentation; check for CARB certification if destined for California; avoid misclassification by excluding outboard mounting hardware

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