The ISL G spark ignited natural gas engine meets 2010 U.S. Environmental Protection Agency (EPA) and California Air Resources Board (CARB) emission standards.  The engine is based on the 8.9 liter diesel automotive (ISL) platform and shares many installation options with the diesel counterpart.

Every Alternative: Cummins Westport ISL G The 8.9-liter ISL G has met EPA 2010 emissions standards since 2007 using Stoichiometric cooled-Exhaust Gas Recirculation (SEGR) spark-ignited combustion to create a high-performance natural gas engine.  Torque at idle and fuel economy are improved versus lean-burn engines by 30% and 5%, respectively.

Every Alternative:  Cummins Westport ISL G The 8.9-liter ISL G has met EPA 2010 emissions standards since 2007 using Stoichiometric cooled-Exhaust Gas Recirculation (SEGR) spark-ignited combustion to create a high-performance natural gas engine.  Torque at idle and fuel economy are improved versus lean-burn engines by 30% and 5%, respectively.

The ISL G Near Zero (NZ) NOx natural gas engine was the first MidRange engine in North America to receive emission certifications from both the U.S. Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California for meeting the 0.02 g/bhp-hr optional Near Zero NOx Emissions standards for medium-duty truck, urban bus, school bus, and refuse applications.

78-112 kW | 104-150 hp Proven legacy in tough commercial marine environments, hard earned over the last 25 years Ideal solution for emergency or ship service power, power units, fire pumps and hydraulic units Covered by a comprehensive one year warranty and backed by Cummins global service network Built at Darlington Engine Plant in Darlington, U.K.