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cost for a rebuild of 450 hp cummings

Discussion in 'Technical Discussion' started by jdougd, May 4, 2007.

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  1. jdougd, May 4, 2007
    #1
    jdougd

    jdougd New Member

    Joined:
    Apr 26, 2007
    Messages:
    2
    Location:
    Sacramento
    I am contemplating buying a 58 ft. Bluewater which has 1500 hrs on twin 450
    Cummings. I read on Dave Pasco's site that they need a rebuild at between 1500 and 2000 hrs. What would it cost for this rebuild?
  2. CaptEvan, May 13, 2007
    #2
    CaptEvan

    CaptEvan Senior Member

    Joined:
    Aug 15, 2006
    Messages:
    172
    Location:
    Great Lakes
    I have not heard of Dave Pascoe to make such a universal negative statement of this engine.

    The Cummins 6CTA8.3 is a bullet-proof engine if properly loaded, run and maintained, capable of over 5,000 hours before a major. At WOT with a full load of fuel and gear, they should reach a rated 2600 rpm at a minimum. If not, either the boat is over-propped, the bottom is fouled, or the engines are not getting enough fuel or air.

    A over loaded engine's life span can be reduced by 75-80%.

    For the best experience and advice, call Tony Athens at Seaboard Marine 800-200-2628. Or visit their web site at http://sbmar.com/

    Another great resource is www.boatdiesel.com

    Evan