FIVE REASONS THE L9 IS THE BEST ENGINE IN ITS CLASS

The Cummins® L9 has established a solid reputation as a dependable workhorse for bus fleets everywhere.

1. PROVEN PLATFORM

  • 35+ years of L-series engine experience over 5 million L-series engine produced globally
  • American designed and globally adapted.
 

2. HEAVY DUTY DURABILITY IN A MEDIUM DUTY PACKAGE

  • Wet-sleeve engine design provides best level of cost effectiveness over long life spans.
  • Reliable Cummins designed single VGT used across engine horsepower range
  • Proven XPI fuel system
 

3. BEST IN CLASS AFTERTREATMENT SYSTEM DESIGN

  • Single after-treatment canister with compact design for significant space claim, weight savings, and unmatched service accessibility
  • Proven integrated thermal management controls across engine and after-treatment with single ECM - without need for external dosing

 

4. NO REPLACEMENT FOR DISPLACEMENT

  • Larger displacement engines are capable of producing higher torque at lower rpms
  • With higher torque, power is produced more easily delivering smoother performance and a capability to handle more loads

 

5. UNMATCHED SUPPORT

  • Network of over 700 International dealer service locations and a total of 3500 Cummins authorized service locations
  • 5 million L-series engines

 

SPEC COMPARISON

How does the L9 compare to the DD8 on paper? Download the full comparison to find out.

 

See the Specs

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