Posted 6/2/2009 08:03 (#730026 - in reply to #729881) Subject: RE: CAT hydraulic oil or equivalent??
Somerville, Indiana
Cat specs 20W in summer/warm weather. Read that just last week so that is fresh in memory. 10W in winter months. We use Hytran Ultra and/or COOP? 75. The 10W might have been more exp as it is virtually out of season in Kansas?