Cat C-7 diesel oil viscosity
I have a 2004 Cat C-7 in a 36' Meridian which I have been using Rotella 15W-40 oil in it since new 68,000 miles back. Seems I remember reading somewhere the thought was that 10W-30 was better for the...
Forum Discussion
Pat from western NY, I thought I spent too much time on here with 1172 posts in a year... but 14,210 (average posts per day: 6.18) You win. Where in the south do you go?
