Posted 1/18/2026 12:28 (#11515257 - in reply to #11515194) Subject: RE: Oil change interval
Roseglen, North Dakota
I put 10,000 on my 3.0 oil changes and oil sample looks good so that's what I keep doing.
GM oil and filter.
300+ hours on tractors, combines, trucks, oil sample shows good.
They've made great strides in oil/filter quality over the years.
Oil change interval
