Tier 4 Final QSL9

Ultra-clean aftertreatment system combines Cummins Compact Catalyst with SCR to meet near-zero emissions.

Cummins' aftertreatment device combines the Cummins Compact Catalyst with Selective Catalytic Reduction (CCC-SCR).
Cummins' aftertreatment device combines the Cummins Compact Catalyst with Selective Catalytic Reduction (CCC-SCR).
Cumminslo 10108212

Cummins Inc. reveals the latest generation of the QSL9 engine capable of meeting near-zero emissions levels.

  • 9 liter engine
  • Achieves 2014 EPA Tier 4 Final and EU Stage IV standards
  • Combines the Cummins Compact Catalyst with Selective Catalytic Reduction (CCC-SCR)
  • Up to 400 hp (298 kW) output
  • No significant change required for engine systems or installation profile
  • Scalability of CCC-SCR system enables sizing to be configured for specific power outputs across the 3.3-liter to 9-liter engine range
  • CCC is smaller than a Particulate Filter, offering a benefit for increasingly space-constrained installations
  • Capable of achieving up to 5% improved fuel efficiency
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