Chevycummins Bad case of Tinkeritis! Joined Jul 15, 2008 Messages 3,488 Mar 17, 2009 #1 anyone know if the Mach 4 iso-32 or iso-46 anti wear hydraulic oil is up to par with the JD-Hygard oil?
anyone know if the Mach 4 iso-32 or iso-46 anti wear hydraulic oil is up to par with the JD-Hygard oil?
