Cenex Ruby Fieldmaster® Fueled by Innovation. Power to Perform.™ INTRODUCING THE NEXT GENERATION OF PREMIUM DIESEL FUELS Precisely formulated with a terminally injected additive package to deliver the power and performance you need to get the job done, even in the toughest conditions. Keep your operations running smoothly with an unmatched enhanced formula, that: Keeps engines running cleaner, longer with an aggressive detergency package Improves engine performance with a state-of-the-art total water management system Protects equipment from contaminants with maximum filterability Improves power and fuel efficiency with a more complete fuel burn BETTER THAN ANY FORMULA THAT HAS COME BEFORE To view this content, you will need to update your cookie preferences to accept additional cookies. 40% MORE EFFECTIVE at eliminating engine deposits2 To view this content, you will need to update your cookie preferences to accept additional cookies. Separates water from fuel for easy removal SUPERIOR CHEMISTRY FOR SUPERIOR PERFORMANCE AGGRESSIVE DETERGENCY PACKAGE 40% more effective at breaking down harmful engine deposits1 2.5X more effective at cleaning up injector deposits and preventing further build-up in dirty equipment1 Up to 4.5% more power when it matters most2 Up to 5% better fuel economy when every dollar counts2 TOTAL WATER MANAGEMENT SYSTEM Water separates from fuel efficiently, settling quickly at the bottom of fuel storage tanks for easy drainage Any remaining negligible water is entrained for safe passage through the combustion chamber INJECTION & COMBUSTION OPTIMIZATION Prevents diesel fuel from coking Reduces filter and injector repairs and replacements Prevents internal diesel injector deposits from forming deep inside high-precision injectors STORAGE STABILITY Tolerates temperature extremes Reduces gum and varnish build-up Increases injector life and optimizes combustibility CORROSION PROTECTION Prevents rust and corrosion from forming on metal parts Protects fuel systems from rust and pitting Prevents corrosion-caused leaks, blocking and breaks Slows natural diesel fuel degradation caused by exposure to oxygen IMPROVED LUBRICITY Provides 10% to 15% more lubricity Protects injector and fuel pumps against wear Meets OEM fuel lubricity recommendations HIGH CETANE NUMBER Generates fewer emissions for longer-lasting diesel particulate filters Fewer regenerations Reduces wear and tear on vehicle starter and battery Improves cold weather starts 1 In comparison to the previous generation of Cenex® premium diesel fuel 2 In comparison to typical #2 diesel PREMIUM DIESEL FUEL AVAILABLE WHEN AND WHERE YOU NEED IT Cenex is one of the only fuel distributors with a robust network for distributing terminally injected diesel fuel products: Available for purchase at 650+ Cenex retail locations Available through 400+ regional fuel distributors Cenex serves a wide network of distributors across 19 states Find A Dealer EXPLORE MORE Improve engine performance and optimize your operation. LEARN MORE Cenex Total Protection Plan® When used with qualifying Cenex® lubricants, Ruby Fieldmaster is covered by the only 10-year, 10,000-hour warranty in the industry – and it comes with zero loopholes. Learn More Learn From The Experts Gain access to a wealth of information about agriculture, fuel efficiency and more. Visit Cenexperts® Blog Resources Fuels Safety Data Sheets | Premium Diesel Product Data Sheet Related Products Maxtron® Enviro-Edge® Maxtron® THF+®