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inboard engine / propulsion / diesel / gas
VM 46 DF

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inboard engine inboard engine - VM 46 DF


  • Type:

    inboard, propulsion

  • Power source:

    diesel, gas

  • Market:

    professional vessel

  • Technology:

    turbocharged, direct fuel injection

  • Other characteristics:

    IMO 3

  • Power:

    Min.: 10,800 kW (14,683.9 hp)

    Max.: 15,440 kW (20,992.6 hp)


Based on the successful M 43 C MaK medium speed engine, the M 46 DF was designed by Caterpillar Motoren, Kiel to meet and exceed the reliability and lifetime expectations of the M 43 C while maintaining its class leading position regarding operational efficiency. With its clean design, the M 46 DF does allow fast and easy access to the system and components supporting the operation, service and maintenance simplicity MaK products are known for. Designed to operate on gaseous- as well as liquid (MDO HFO) fuels, the M 46 DF will meet IMO III emission limits while operating in gas mode and injecting a small amount of ignition fuel to control combustion. Attention was paid to the customers´ demand for a safe and reliable operation at varying engine loads and gas qualities.

Other Caterpillar Marine Power Systems products

Commercial Propulsion Engines