400 Fly Bridge Sedan Decisions......

Discussion in 'Newbie Lounge - NEW' started by Niloc, Mar 14, 2019.

  1. Niloc

    Niloc New Member

    Jan 6, 2019
    340 Sundancer. Looking for a 400 Sea Ray Sedan / Bridge
    T/454 I/B
    Hello All,
    We sold our 340 Sundancer and are close to "pulling the trigger" on one of two 400 FB Sedans. One is a '98 with 3116 Cats, 750 hrs and one is a '99 with 3126 Cats, 1,400 hrs. The '98 has a bow-thruster but unmatched older electronics. The '99 has good much newer electronics. They are in similar condition and price. Any advice??
  2. Ididntdoit

    Ididntdoit Well-Known Member GOLD Sponsor

    Dec 5, 2007
    Newport, RI
    300 Sundancer
    5.0MPI Bravo III
    get the one that has a dry hull, complete service records and was best maintained.....electronics are comparitively cheap, and unless the boat with "newer" electronics has the latest and greatest they really arent worth that much - often people sell a complete setup at a steep discount b/c they wat the latest......a bow thruster is a big ticket item and while many will tell you that it is not needed, it sure is nice to have entering a unfarmilliar marina, fighting wind or current and when you single hand
    Niloc likes this.
  3. Stee6043

    Stee6043 Well-Known Member

    Jun 1, 2015
    West Michigan
    1997 Sundancer 400
    7.4L Gassers
    I agree with the above. Go with the boat that surveys better. Newish electronics, though nice, really adds very little to the value of the boat. A bow thruster, however, does add some value.

    Isn't there some "very costly" maintenance interval that comes up at 1,000 hours for diesels? That may also be worthy of consideration.
  4. my3sons

    my3sons Well-Known Member SILVER Sponsor

    Feb 24, 2009
    Upstate NY (lake Erie)
    2004 400DB, Onan 9 kw Gen, Highfield RIB,
    Cummins 6CTA
    What they said, and welcome to CSR.
    Niloc likes this.
  5. fwebster

    fwebster Well-Known Member TECHNICAL Contributor PLATINUM Sponsor

    Oct 6, 2006
    Middle Tennessee ; Panama City Beach, FL
    1996 450DA
    3116 Caterpillars
    On the maintenance question, both boats have 3100 series Caterpillar engines and with Cats, there is no 1000 hour bullet with your name on it headed your way. However, these boats are at the 20 year mark and they are subject to some degree of deferred maintenance. If you don't get a maintenance record and receipts showing the following, then you can expect have to do everything on this list, sooner or later, even if the Cat survey comes out ok.

    Clean engine and generator heat exchangers $500
    Clean/replace the transmission oil cooler $500/$1000
    Change engine coolant $275
    Clean intake after coolers and change hoses and hose clamps $2500
    @ 2000 hours, reset engine overheads (valves and injector timing). $1200
    Replace seawater pumps. $2000
    Niloc likes this.
  6. JimG

    JimG Well-Known Member SILVER Sponsor

    Nov 4, 2008
    Southern WV
    2007 310 DA
    Kohler 5ECD
    Twin 350 Mags
    Raw Water Cooled
    Niloc likes this.

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