EPA certifies Cummins ISX15 engine

Posted on October 1, 2012

COLUMBUS, Ind. — Cummins Inc. has received certification for its ISX15 engine from the U.S. Environmental Protection Agency (EPA), meeting both the EPA 2013 regulations and the new greenhouse gas and fuel-efficiency rules that will take effect in 2014.

Cummins’ 2014 greenhouse gas certification is the first engine certificate issued by the EPA.

Efficiency improvements to the ISX15’s base engine include optimized combustion and reduced parasitic load through high-efficiency water, fuel and lube pump systems, and the ISX15 will achieve up to 2% fuel economy improvement over today's product.

Cummins ISX15 for 2013 uses the same proven base engine with the XPI fuel system, VGT(TM) Turbocharger, Cummins Aftertreatment System with Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) technology, and fully integrated electronics.

"Cummins 2013 truck engines will deliver better fuel economy with no major hardware changes," said Jeff Jones, Cummins vice president - sales and market communications. "This results in improved reliability due to stable architecture.

"The certification of the ISX15 demonstrates Cummins’ commitment to deliver products that exceed both environmental and customer requirements. We are confident that we'll receive certification for our other on-highway engines well before the end of the year," Jones continued.

Cummins’ entire lineup of on-highway engines for truck, bus, RV and specialty-vehicle markets will enter production on Jan. 2, 2013. All engines are expected to be certified a full year early to the 2014 greenhouse gas and fuel-efficiency rules.

The EPA 2013 regulations require the same near-zero emission levels of oxides of nitrogen (NOx) and Particulate Matter (PM) as were required beginning in 2010. The new greenhouse gas and fuel-efficiency regulations will be required for all heavy-duty diesel and natural gas engines beginning in January 2014.

On-board diagnostics, which were introduced on the ISX15 in 2010, are also required across the full on-highway product line in 2013. On-board diagnostics will provide enhanced service capability with standardized diagnostic trouble codes, service tool interface, in-cab warning lamp and service information availability.

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