Cummins introduces QSK95 Power Module with Selective Catalytic Reduction (SCR) technology for rail

Niels Tholen - 10 October 2013

Cummins revealed its QSK95 Power Module with 4200 hp (3132 kW) output and Selective Catalytic Reduction (SCR) technology on September 29. The engine meets the upcoming U.S. Environmental Protection Agency's (EPA) Tier 4 emissions regulation for line-haul locomotives which comes into effect on January 1, 2015.

Randy Nelson, Marketing Director for Cummins Rail Business, said: "Cummins SCR exhaust aftertreatment is a passive, flow-through system working together with the clean-combustion QSK95 to meet the Tier 4 regulations. By using SCR, we are able to influence the engine combustion formula to optimize fuel efficiency."

The engine is a result of collaboration between Cummins and Sygnet Rail Technologies and will be first implemented in mid-2014, operated by the Indiana Rail Road Company.

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