<span class="hpt_headertitle">ISL G Near Zero</span>

ISL G Near Zero

      Power                       Torque                   Certification
   250 – 320 hp           730 – 1000 lb-ft              EPA 2010
   186 – 239 kW          990 – 1356 N•m
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Description

Overview:

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.

The Cummins Westport ISL G NZ exhaust emissions are 90% lower than the current EPA NOx limit of 0.2 g/bhp-hr. Like the industry leading ISL G engine, the ISL G Near Zero operates on 100% natural gas which can be carried on the vehicle in either compressed (CNG) or liquefied (LNG) form. The ISL G NZ can also run on renewable natural gas (RNG).

The ISL G Near Zero is no longer available. It has been replaced by the L9N near-zero emissions engine. Learn more at cumminswestport.com.

Additional information

Weight - lbs
Specifications

– Advertised Horsepower 320 hp 239 kW

– Peak Torque 1,000 lb-ft 1,356 N•m

– Governed Speed 2,200 rpm

– Clutch Engagement Torque 550 lb-ft 746 N•m

– Type 4-cycle, spark-ignited, inline 6-cylinder, turbocharged, CAC

– Displacement 540 cu. in. 8.9 L

– Bore and Stroke 4.49 in x 5.69 in 114 mm x 145 mm

– Operating Cycles 4

– Oil System Capacity 7.3 U.S. gal 27.6 L

– Coolant Capacity 13.1 U.S. qts 12.4 L

– System Voltage 12 V

– Net Weight w/ Std. Accessories, Dry 1,625 lbs 737 kg

– Aftertreatment Three-Way Catalyst (TWC)

– Fuel Types CNG / LNG / Biomethane

– Methane number 75 or greater

– Availability Click here for OEM availability

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