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Cenex® premium diesel fuels 

Fueled by Innovation. Powered to Perform.®

Cenex premium diesel fuels–Cenex Roadmaster XL® and Cenex Ruby Fieldmaster®–are precisely innovated and formulated with a superior fuel additive package, delivering the power and performance you need to get the job done, even in the toughest on-road and off-road environments.

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The next generation of Cenex premium diesel fuels

Cenex premium diesel fuel, available from diesel fuel suppliers in 19 states, delivers optimal power, performance and protection on the road and in the field.

An industry-leading premium diesel additive package enhanced with: 

  • Advanced, aggressive detergency that effectively removes engine deposits and keeps injectors clean, extending engine life span
  • A state-of-the-art, two-phase total water management system that optimizes combustion and boosts engine function
  • Exceptional filterability that protects equipment from harmful contaminants, minimizing equipment damage and operational disruptions
  • A complete fuel burn that minimizes waste and improves overall fuel efficiency, delivering more hours per gallon

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Superior chemistry. Superior performance.

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Cenex Roadmaster XL

Optimize engine performance and fuel economy while reducing downtime and maintenance costs with high-quality, on-road diesel fuel engineered to go the distance, mile after mile. 

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Cenex Ruby Fieldmaster

Optimal power and protection for your off-road equipment with a dyed premium diesel fuel that works as hard as you do, even in the most demanding conditions. An innovative formula and state-of-the-art technology keeping your machinery running at peak efficiency, hour after hour, all season long. 

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Cenex winterized premium diesel fuels

Keep your equipment running strong as temperatures plunge with Cenex winterized premium diesel fuels. Cold weather additives are precisely formulated alongside an industry-leading additive package for reliable engine and fuel system performance in the most unforgiving conditions.

Better than any formula  
that has come before 

Improve power and fuel efficiency with a more complete fuel burn with premium diesel fuels from Cenex.

  • 40% more efficient
    At breaking down harmful engine deposits1
  • 2.5x more effective
    In cleaning up and removing injector deposits and preventing further buildup in dirty equipment1
  • Restores up to 4.5% more power  
    When it matters most2
  • Months longer
    Fuel storage life than typical #2
  • Restores up to 5% better fuel economy
    When every dollar counts2
  • Up to 75% reduced filter blocking2

1. In comparison to the previous generation of Cenex® premium diesel fuel
2. In comparison to typical #2 diesel

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Unmatched industry expertise

For over 90 years, the Cenex-brand has provided hardworking products and solutions for our customers across a wide portfolio of industries.
  • Agriculture Industry Hero Image
    Our industries
    Agriculture
    Fuel operations and protect farm equipment in every season.
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  • Construction Industry Hero Image
    Our industries
    Construction
    Safeguard equipment from onsite debris and heavy loads.
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  • Fleet Industry Hero Image
    Our industries
    Fleet
    Protect engines from wear and fuel degradation, mile after mile.
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  • Mining Industry Hero Image
    Our industries
    Mining
    Stand up to extreme working conditions.
    Learn more

Cenexperts® blog

Our Cenexperts provide you with relevant and timely guidance on how to make your operations more efficient, improve maintenance procedures, reduce costs, and get extra power and performance from your vehicles and equipment.
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