Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Sherwood Pump Model P173?

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  • February 12, 2022 at 4:05 am #126720

    FourWinnsMike
    Participant

    I have an oil seal leak in one of my water pumps and I am trying to determine the model of sherwood that I have. I think it is model P173 but I am unsure.  Anyone else have something like this.  Ultimate goal would be to replace with an SMX (what model do I purchase?) when these start to have a water seal failure. 

    5.9 6BTA 

    IN and OUT port is 1.75″

    See pics! 

    Thank you for the replies like this in advance!

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  • February 12, 2022 at 1:52 pm #126741

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Super early Sherwood  pump with a press-on gear.. Think of it as a 1716 as to replacement purposes other that both the in & out ports are probably for  1.75″ ID hose….The SMX 1716 pump kit can be special ordered that way if needed.

    February 12, 2022 at 1:39 pm #126739

    FourWinnsMike
    Participant

    You are correct that is has the Denso injection pump.  And yes, ports are the same on both sides – 1.75″ & 1.75″  That’s why I’m having a hard time determining the pump.  

    Thanks for the info!

    February 12, 2022 at 6:58 am #126728

    J Dragon
    Participant
    Vessel Name: Dragon
    Engines: Cummins 6BTA 5.9 315hp
    Location: MA
    Country: United States

    Looks like a p1716, which was on the early Bs with the denso injection pump

    Note the 1716 is 2” inlet and 1.75” outlet…your inlet does appear larger to me but I may be wrong.

    SMX option here: https://www.sbmar.com/product/smx-1716-seawater-pump/

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