Cummins Announces 16-Liter QSX For Tier 4 With Integrated Air Intake to Exhaust Aftertreatment

摘要

LAS VEGAS - Cummins Inc. (NYSE:CMI) announced at the CONEXPO-CON/AGG show that the Heavy-Duty QSX engine will be available with a fuiiy integrated air intake to exhaust aftertreatment system to meet U.S. EPA Tier 4 Interim and European Stage MB off-highway emissions regulations in January 2011. The Tier 4 QSX increases displacement to 16 liters and incorporates the XPI High Pressure Common Rail fuel system to enhance power output and engine response. Very low emissions levels are achieved with Cummins Particulate Filter exhaust aftertreatment that reduces Particulate Matter (PM) emissions by 90 percent and cooled Exhaust Gas Recirculation that reduces Oxides of Nitrogen (NOx) by 45 percent. The Tier 4 QSX also features a Cummins crankcase filter to eliminate blowby gas emissions.