Cummins L9

For jobs that need a lighter weight and lower-cost engine, Mack has partnered with Cummins to offer the L9 engine with the best-in-class power-to-weight ratio.

  • Up to 15% fuel economy improvement over previous generation
  • Meets latest emissions and greenhouse gas regulations
  • 350 HP
  • Torque: 1150 lb.-ft.

  • Single Module aftertreatment system

    Improving thermal and fuel efficiency

    The Single Module aftertreatment system combines selective catalytic reduction (SCR) and a diesel particulate filter (DPF) to reduce size and weight.

    • Smaller Carbon Footprint

      The L9 is fully compliant with On-Board Diagnostics requirements, and meets 2017 U.S. Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) greenhouse gas and fuel-economy regulations.

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