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repower

Discussion in 'Technical Discussion' started by armando munoz, Oct 22, 2019.

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  1. armando munoz

    armando munoz New Member

    Joined:
    Oct 22, 2019
    Messages:
    1
    Location:
    puerto rico
    i have a 1986 hatteras 41' wiyh twin detroit 6v71. we are ready for a repower. any recomendations?
  2. Capt J

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    11,355
    Location:
    Fort Lauderdale
    Cummins are very popular in that size...….perhaps the C series. 450-480 HP.
  3. Lepke

    Lepke Member

    Joined:
    Dec 26, 2015
    Messages:
    97
    Location:
    US West Coast. Cruise NW Passage to Alaska.
    Engines that are 100% mechanical for reliability. No computer, electronic sensors, and so on. I'd get another set of Detroits with a full rebuild, but not a 6v or a 92 anything.
  4. Pascal

    Pascal Senior Member

    Joined:
    Feb 29, 2008
    Messages:
    4,587
    Location:
    Miami, FL
    Cummins factory reman C series are the way to go. That’s what I repowered my 53 hatt with. Cheaper than new engines yet factory reman with all new parts and a factory warranty

    The price difference between rebuilding the DDs and the Cummins made it a no brainer. You also get new ZF gears. In my case I saved over 3000 pounds from the 8V71s. I was able to keep the same size shafts... only extra cost is making new engine beds.

    Where are you located? If SoFl or Carib check with Mavex in Miami. They re the Cummins dealer and know their stuff

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