Cummins Tier 4 Interim Engines

Cumminsqsl9 10224442
  • Full lineup of latest-generation 3.3-liter to 15-liter engines
  • Ranging from 60 to 600 hp
  • Six-cylinder engines include: QSB6.7, QSL9, QSX11.9 and QSX15 - feature Cummins Particulate Filter aftertreatment system
  • Four-cylinder QSB3.3, QSB4.5 and QSB6.7 utilize Cummins Compact Catalyst
  • All Tier 4 Interim engines feature Cooled Exhaust Gas Recirculation (EGR) system
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