Cummins QSB 5.9

The Quantum Advantage

Cummins’ Quantum engines are the result of decades of research and cutting-edge innovations.



You can count on Quantum engines for:Cummins Speed Boat 01 | NMS

  • Instant start-up in cold weather
  • Virtually smoke and odor free operation
  • Lighter weight with increased power
  • Simplified engine information management
  • 80% less noise at idle on the QSB Series
  • SmartCraft vessel integration
  • Unmatched durability


HP 330-480
Displacement Liter [In3] 5.9 [359]
Fuel Electronic
RPM 2800-3400
Engine Type 4 Cycle, Inline, 6 Cylinder, Diesel
Bore mm [In] 102 [4.02]
Stroke mm [In] 120 [4.72]


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