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Cummins QSX15 Engine
March 23rd, 2011
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Company: Cummins Inc
Cummins Inc.’s QSX15 engine will move forward to meet near-zero emissions levels in 2014 with power output increased up to 675 hp (503 kW). The 15-liter Heavy- Duty engine will meet EPA Tier 4 Final and EU Stage IV emissions with an ultra-clean aftertreatment system combining the Cummins Particulate Filter with Selective Catalytic Reduction (CPF- SCR). The new 675-hp top rating for the QSX15 takes the Tier 4 Final engine 75 hp (56 kW) above the Tier 4 Interim top rating of 600 hp (447 kW). The QSX11.9 engine also increases power output for Tier 4 Final with a new top rating of 525 hp (392 kW). The 11.9-liter QSX shares the same engine technology and CPF-SCR ultra-clean aftertreatment system as the QSX15. Engine power density for Tier 4 Final increases to 45 hp (34 kW) per liter for the QSX15 and 44 hp (33 kW) per liter for the QSX11.9. This offers a new level of power capability for premium-performance machines operating in the toughest construction, mining, agriculture and materials handling applications.