2012 international ProStar with 700,000 miles. Max force, 13 engine, 13 L. I personally maintenance all of the fluids and filters. Checked all fluids and replaced all fluids and transmission fluids. I replaced all Tires. Basically as if I went through the whole truck.. Have driven it a few miles more but truck runs great. if you don’t believe me, then let’s schedule a drive so that you can see for yourself.