Hydro Fluid

Discussion in 'Lawn Mowing' started by redoak77, Sep 30, 2004.

  1. redoak77

    redoak77 LawnSite Senior Member
    Posts: 291

    I have had my hydro walk behind for about a month now and i am want to top off the hydro fluid but i dont know what kind of fluid is already in there. Would it be detremental to mix Hydro fluids or is it all the same?
     
  2. all ferris

    all ferris LawnSite Bronze Member
    Posts: 1,307

    what kind of mower?
     
  3. Steppenwolf

    Steppenwolf LawnSite Senior Member
    Posts: 403

    I must admit I have never"toped off" a hydro's fluid level. It is a closed system and unless you have a leak it should not be a problem. I change the hydro oil and filter once a year and the oil always looks like new. I just use Castrol 20w50.My Scags will walk a bit in the colder weather but once the oil is hot there is no problem. Best bet is to ask your dealer or read your owners manual for you specific make and model.
     
  4. redoak77

    redoak77 LawnSite Senior Member
    Posts: 291

    its an exmark tthp 48
     
  5. Stuttering Stan

    Stuttering Stan LawnSite Bronze Member
    Posts: 1,504

    I believe the owners manual recommends Mobil 15w-50 motor oil.
     

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