REDEFINING RELIABILITY.

Cummins MerCruiser Diesel inboards combine industry-leading power with traditional inboard mounting. As a critical component to our power systems, we have chosen a select group of transmissions in each Quantum engine series that have been specifically engineered for maximum reliability and durability — providing gear ratios that enhance the already optimized performance of the Quantum engine.

  • recreational
    • 115-715
    • 2.0-10.8
    • 4-6
    • Electronic
    • 3800-4000
    QUANTUMSeries

    Turbocharged and seawater aftercooled for quick response and superior performance. SmartCraft™ enabled. Drop-in replacement for many gasoline engines.
  • recreational
    • 170-320
    • 1.7 – 4.2
    • 6
    • Electronic & Manual
    • 3800-4400
    MERCRUISERSeries

    With a four-stroke cycle combustion for quiet and fuel-efficient operation, the MerCruiser series engines lead the way in cost-efficient propulsion with a compact size for ease of installation and easy access for routine maintenance, and Certified tough.
  • recreational
    • 220 – 480
    • 3.9 – 8.3
    • 4-6
    • Electronic & Manual
    • 2600 - 3000
    DIAMONDSeries

    Meets IMO emission requirements. Turbocharged for enhanced performance. Time-tested reliability in worldwide service.

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