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  1. J

    L4400 DT Hyd Oil Site Glass Problem

    Just a follow up on my OP. I got the Hyd. dye from Deere and yes it is Red not Green. I replaced the Hyd. Filter and lost approx 1gal of fluid in the process which is about normal. After that I added the dye and ran the tractor for a bit to mix it up and looked at the site glass. It was over...
  2. J

    L4400 DT Hyd Oil Site Glass Problem

    There in lies the problem. With the fluid being clear how do you tell if it is a little over full or low? The site glass will look the same either way. I don't mind a little over full but would sure hate to run Low and spin a bearing or gauld a shaft.
  3. J

    L4400 DT Hyd Oil Site Glass Problem

    Thank you all for your responses. I have an Idea that may work what do y'all think? I have several older JD tractors that use a wooden dowel for a fuel gauge and I was thinking (which sometimes is Dangerous). I am going to drain some of my Hyd Fluid and then refill taking care to set the proper...
  4. J

    L4400 DT Hyd Oil Site Glass Problem

    Sidecarflip wrote "What I do is watch the glass as I fill it and observe the oil level. Pretty simple really." I use the same procedure but unlike an air compressor after you fill the tractor and then connect it to various implements some of which are single action cylinders the oil seems to...
  5. J

    L4400 DT Hyd Oil Site Glass Problem

    I have a L4400 DT tractor, My question is how do you read the site glass on the Hyd Level. My problem is the Hyd Fluid is clear. If the line in the site glass is new as in when you first fill it up you can see it ok but if it gets low and or high the site glass looks the same. At this point do...