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/ / / / 6068AFM75 A 172-246 kW (231-330 hp)

6068AFM756.8L Propulsion Engine
172-246 kW (231-330 hp)

Features & Specs

  • Watercooled Turbocharger and Exhaust Manifold
  • Replaceable Wet-type Cylinder Liners
  • Corrosion Resistant Components
  • Either-side Service
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Rated speed172-246 kW (231-330 hp) @ 2300-2600 rpm
Number of cylinders6
Engine typeIn-line, 4-Cycle
Bore and stroke (mm)107 x 127
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    6068AFM75 Marine Engine


    Tier 2 PowerTech™ 6.8L Marine Propulsion Engine

    6068 Tier 2 Propulsion
    The 6.8L is a 6-cylinder marine engine offered in either keel cooled or heat exchanger configurations. It is either turbocharged, non-aftercooled, turbocharged with engine coolant aftercooling or turbocharged with sea water aftercooling. The engine features constant power to 400 rpm below rated speed, making these engines an excellent choice for launches, work boats, trawler yachts, and patrol craft.






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    The worldwide standard warranty for marine engines is as follows:
    • 12 months with unlimited hours of use or
    • 24 months and prior to the accumulation of 2000 hours of use

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    Engine Details


    6068AFM75_A engine dimension


    Performance Curves

    M1 Rating 

    6068AFM75_A performance curve

    M2 Rating 

    6069AFM75 B

    M3 Rating

    6068AFM75 C

    M4 Rating

    6068AFM75 D

    Specifications may contain preliminary information. Specifications are subject to change without notice. Contact your John Deere Engine Dealer for more information.

    Actual model may vary from the images shown.