Exhaust Aftertreatment Systems

Cut emissions, not performance

Mack’s exhaust aftertreatment systems (EATS) are built to protect the environment without sacrificing performance or reliability. From selective catalytic reduction to diesel particulate filters and more, Mack EATS do right by the planet and your business.

  • ClearTech™ One

    • Combines SCR and DPF in one package
    • Lighter and more flexible
    • Near-zero emissions
    ClearTech™ One
  • ClearTech™ System

    • Reduces NOx emissions to near-zero
    • Meets strict EPA standards
    • Compact design for easy integration
    • Improves fuel economy by up to 5%
    ClearTech™ System
  • SCR hasn’t been an issue at all. Not one truck has had to pull over and do a regen. And the urea is like putting in windshield washer fluid.

    Steve Powell

    Powell Stone & Gravel

    • Lightweight and space saving

      Mack’s aftertreatment systems are smartly designed to get more done with less by reducing packaging space and cutting excess weight.

    • Flexible

      Mack exhaust aftertreatment options are built with serviceability and flexibility in mind for multiple truck configurations and body builds, no matter what you’re hauling.

    • Low or no regen

      With ClearTech™ SCR and ClearTech™ One, you’ll spend little to no time at all pulled over and waiting on your truck to regen, so you can stay out on the road and making money.

    Responsibility and productivity, all in one.

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