I just purchase a Gravely 7173H (1984-1986 "Ariens" with Sundstrand hydro transmission/hydrolics) from a widow. Her late husband obviously pampered his <400 hour machine. The widow can't find manuals.
I need the following help from those knowledgable:
1. What is the proper replacement fluid for the 7173-H hydro transmission/hydrolics?
2. Does anyone have an operators manual and/or illustrated parts list for the 7173H that I can purchase or copy. I also need the manuals for the 48" deck and the 48" two-stage snow blower. I am advised that Gravely will print manuals after enough requests come in to justify the expense. I'm not holding my breath.