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  1. #1
    Bronze Member derekuk101's Avatar
    Join Date
    Mar 2008
    Posts
    55
    Location
    KY
    Tractor
    M8540, M4900, Ford 5610, Ford 3600

    Default Changing Hydraulic Filters on M series

    How much hydraulic oil will I lose when I try and just change the filters on a M8540? I don't want to change the oil, but I know a lot will come out when I take the old filters off.

    Thanks!

  2. #2
    Super Member
    Join Date
    Dec 2007
    Posts
    5,646
    Location
    Ohio
    Tractor
    JD 5520, 790 TLB-- Kub L4300, B7800, MX5100

    Default Re: Changing Hydraulic Filters on M series

    I had an M8950 that I think is the same engine and I lost two quarts which was the capacity of the filter. I always changed the oil at the same time so i didn't pay real close attention.
    I think there is a magnet where the filter screws on so if you have that wipe off any filings of metal. I usually had some.
    ******

    May I be the kind of person my dogs think I am,

  3. #3
    Platinum Member big bubba's Avatar
    Join Date
    Mar 2007
    Posts
    787
    Location
    arkansas
    Tractor
    m8540

    Default Re: Changing Hydraulic Filters on M series

    I plan to soon change my Hyd oil filters on my 7040 (between fluid changes) I bought a gal and just will fill up the filters before install, then top up if necessary. 2 qts sounds about right BTW I'm going to park it on a slope with the filters uphill, hence (in theory) won't lose much in the replacement Haven't tried that method yet, but makes sence. Otherwise, you could lose a fair amount if you fumble around like me bb

  4. #4
    Platinum Member big bubba's Avatar
    Join Date
    Mar 2007
    Posts
    787
    Location
    arkansas
    Tractor
    m8540

    Default Re: Changing Hydraulic Filters on M series

    And yes, as 6 dogs says, clean the magnet (esp on a new rig)....all the more reason to park on a slope if it's just the filter change. Finally bought a hand pump for a 5 gal bucket for the fill, much easier on a 15 gal (my case) refill. bb

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