Posted 2/7/2026 16:48 (#11543687 - in reply to #11543643) Subject: RE: What oil in on old Cat D6C Dozer?
Roseglen, North Dakota
Well, the old Cat will thank you for being nice to it.
I'm old enough to remember when my dad had 2 kinds of motor oil.
Sae 30 and Sae 10.
When 15-30 and 15-40 came out it took a long time to be accepted.
Now its the norm.