THE ELEVATION ALONE IS ENOUGH TO CHOKE A 1,200-HP ENGINE. AND WITH 1,000-FOOT DROP-OFFS, CHOKING IS NOT ADVISED.
You don’t just happen upon the starting line of this 12.4-mile endurance course by chance. You do it because you’re looking for a challenge. You don’t show up without credentials, either. Shell ROTELLA T meets every major spec in the book, including API C I-4, Cummins CES 20078, Mack EO-N Premium Plus, and Volvo VDS-3 standards for low emission engines. It also meets warranty requirements for all trucks manufactured in the U.S. So Shell ROTELLA T was prepared for whatever Mother Nature and the Mercedes-Benz Twin Turbo in Mike Ryan’s Freightliner could dish out. And while any fan lining the course can tell you how much dirt a 1,250-horsepower diesel kicks up from under the wheels, the bigger story is the soot and corrosive acid that kicks into the crankcase, and the unrelenting pressure that can wreak havoc in the engine’s combustion chamber. And as if all that weren’t enough, Shell ROTELLA T also took on the 1,000-horsepower Detroit Diesel engine in Molly Morter’s Sterling.  SHELL OIL

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