Registered. Joined Apr 27, 2013. ·. 2,964 Posts. #4 · Dec 15, 2015. As William already said…the T-6 Rotella is a great oil. Its a diesel formulation so it has an excellent wear package and also cleans better than other oils. I believe my atvs run quieter on the T-6. 2016 570 RZR EPS Trail with EBS and Turf mode.