THINNING AIR, FADING LIGHT AND ONLY 4,000 FEET LEFT TO CLIMB.
With 16,000-foot passes and grades reaching 8%, the Andes Mountains in South America threaten engines and livelihoods daily. Shell Rotella T protects both. Millions of miles in real world extremes like these prove it. That's why more owner-operators trust Shell Rotella T than any other brand to keep them on the road. It exceeds OEM warranty requirements in the lab, and protects against soot, corrosion and wear everywhere else. It belongs in your truck   SHELL OIL