Hydraulic Fuild Freeze Ups

Discussion in '<a href=http://www.plowsite.com target=_blank ?>Sn' started by Mac, Jan 23, 2001.

  1. Mac

    Mac LawnSite Member
    from Ontario
    Posts: 6

    Has anyone found a good hydraulic fuild. (That does not freeze up when a little water gets in it)
  2. Chuck Smith

    Chuck Smith LawnSite Senior Member
    Posts: 849

    Nope, when water gets in it, you change the fluid. You can add isopropyl alcohol to fluid, but it will just let the water mix with the oil, which is even more of a mess and bad for the internals of the pump. Steel springs and check balls don't like water.

  3. jimsmowin

    jimsmowin LawnSite Member
    Posts: 79

    i have had promblems with blue fluid. changed to automatic trans fluid and change fluid every season. no more promblems
  4. Sammy

    Sammy LawnSite Bronze Member
    Posts: 1,734

    Case/IH HY-TRAN fluid. Some good stuff.
  5. zipp669

    zipp669 LawnSite Member
    Posts: 58

    i changed my e-47's from meyer blue to the fluid they put in jets. I havnt had my fittings freeze up as much. I also spray the tar out of them with deicer & any type of lubricant..wd40 etc

    UNCLE BOB LawnSite Member
    Posts: 99

    see frozen fluid????
  7. RB

    RB LawnSite Senior Member
    Posts: 306

    There is this stuff in a red plastic bottle (don't know the name), but they say it is guaranteed not to freeze. I think it's called somethign Marvel Mystery fluid (not kidding). I've seen it at Wal-Mart.
  8. CMerLand

    CMerLand LawnSite Senior Member
    Posts: 393

    Change the oil in your pump AND plow cylinders every year before the start of the season. Most people just change the oil in the pump cause it has a big ol drain plug on it but most dont change the oil in the cylinders. Those cylinder accummulate condensation during the spring, summer and fall and then gets misxed into the nice clean pump oil the first time you angle the plow. Then it gets nice and cold and boom frozen pump.


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