G greenguy Member Joined Jul 7, 2016 Messages 45 Mar 21, 2017 #1 IS2100Z what are you guys using for hydro oil, I'll be changing mine before mowing season starts?
BlazNT Lawn Pro Joined Apr 26, 2012 Messages 6,973 Mar 22, 2017 #2 Castrol 20w 50 is what hydro-gear build their drives to use.