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3988 Steering Ram Capacity

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    3988 Steering Ram Capacity

    I'm planning to install an autopilot on my 1998 3988, and need to match a steering pump to the size of the hydraulic rams. Does anyone know what rams are installed on these boats? I've had a look but can't see any specs on the ram itself.

    I found a really useful chart of all the different manufacturers' pump options - just need to know what CI size I need now. http://octopusdrives.com/sites/defau...Comparison.pdf

    Any help greatly appreciated.

    #2
    Not sure if this is what you need: Hynautic ram is model K-51 rated: The K-51 is a small ram with a displacement of 10.1 ci

    Cylinder working pressure is 950 PSI. Proof pressure is established at 4500 PSI. Burst pressure is 7000 PSI. Cylinder output force at 950 is 1390 Lbs.


    1989 26' then 1994 32' now 2001 39'

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      #3
      Thanks Uncle Bob!

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