MF ZT33 (815.7 hours)
OCI: 213.5 hours (4/17/21 to 9/30/24)
Out:^
In: Rotella T4 15w40, XG4967
I also changed the coolant with Chevron Delo ELC. This is the second antifreeze change since it was new. I used my oil extractor to change the oil this time, I pulled the drain plug when it quit...