Cummins L9N

  • power
  • 320
  • hp
  • torque
  • 1,000
  • lb-ft
  • displacement
  • 8.9
  • liters
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Clean, efficient power for heavy-duty trucks

The Cummins L9N natural gas engine delivers clean and efficient power for Mack Granite, TerraPro, and LR trucks.

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Cost-effective

Natural gas offers stable pricing and requires no infrastructure changes for existing fleets.

High torque at low RPM

The L9N engine delivers excellent low-end torque, providing strong pulling power and improved fuel economy.

Quiet operation

Natural gas engines operate more quietly than diesel engines, making them ideal for urban and residential areas.

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CARB Compliant

Lower emissions, higher standards

Certified to CARB and EPA Optional Low NOx emissions standards, the L9N engine has 90% fewer NOx emissions than the current North American EPA standard. It can operate on 100% CNG, LNG, or RNG, reducing GHG emissions.

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Granite®

Mack® LR

TerraPro®