QSL9 Tier 4 Final Engine

This 9-liter engine achieves Tier 4 Final standards with an ultra-clean aftertreatment system that combines the Cummins Compact Catalyst with Selective Catalytic Reduction (CCC-SCR).

  • Achieves near-zero emissions with fully passive, flow-through operation
  • Offers up to 400-hp output with further improvements in fuel efficiency
  • Configured to provide compact and flexible equipment installation
  • Features a Variable Geometry Turbocharger, Xtra-High Pressure Injection fuel system and Direct Flow air cleaner technology

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