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  1. #1
    Gold Member
    Join Date
    Dec 2006
    Posts
    435
    Location
    Oakdale, TN
    Tractor
    Kubota M8540HD ROPS

    Default Changed hydraulic fluid/filters today ...

    I did a real nice job changing the hydraulic fluid and filters in my tractor today, used 15 gallons of kubota SUDT (expensive), new fluid on the dipstick is nice clear and clean. Started to think about it and realized that I have old hydraulic fluid in my FEL and in the hydraulic system of my bush hog.

    And of course whenever I rent an attachment with hydraulic hookups who knows what's in there that's going to mix in with my system.

    So do I just forget about it? Is there a way to change the hydraulic fluid in attachments?
    Kubota M8540HD ROPS, LA1353 FEL

  2. #2
    Super Member bp fick's Avatar
    Join Date
    Aug 2009
    Posts
    5,627
    Location
    Beaver Creek, Northern Michigan
    Tractor
    Kubota BX2360

    Default Re: Changed hydraulic fluid/filters today ...

    Old saying: dilution is the solution for pollution.

    Since the overwhelming majority of the fluid will be new, the percentage of the old will be small, volume wise. I wouldn't worry too much. It is always mixing. Next fluid change, same thing. I suppose you could drain the implements by loosing connections? Gravity drain. Doubt you'd get it all, as in every last drop anyhow.

    On my wife's Honda, the trans fluid gets changed annually. However, only 1/3 of the fluid flows at any given "drain". But over the last 11 years, I have changed, and changed, and changed. 10 times. Not worried.
    BP


    "Some chickens, some gardens and a Kubota."

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