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What type & weight hydro oil for older Gravely

Discussion in 'Mechanic and Repair' started by novared1@comcast.net, Feb 28, 2008.

  1. novared1@comcast.net

    novared1@comcast.net LawnSite Member
    Posts: 3

    Does anyone know what type and weight hydro oil I should use in a 1999 Gravely walkbehind?
    Also it is very sluggish but has been setting for a couple years before I bought it and put a new motor on.
    Will changing the hydro oil and filter help this?

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