Oil is Delvac 1300, Hastings(Baldwin) filter. Truck not used much, 7,000 miles in two years. I think the oil and filter did a great job, didn't really need to be changed. Make up oil needed because of weeping oil pan.
I put about 10k or 15k miles on this oil then quit using the truck. It sat for over ten years, just getting moved around the yard a couple of times per year. I took it for a 30 mile drive before changing the oil and taking the sample.
Pretty sure it was Rotella. I am very pleased with the...