SCR Emissions Tech Now Available on Navistar Work Trucks

Navistar Inc. says it is now shipping its first International DuraStar and WorkStar vehicles with the company's 9.0- and 10.0-liter engines with selective catalytic reduction (SCR) emissions technology.

In addition to improving the trucks' environmental performance, the vehicles with SCR have shown fuel economy improvements of up to 8% greater than the previous generation, the company says.

‘Our field test customers are seeing positive results – with our new trucks registering significant fuel economy improvements,’ says Bill Kozek, president, North America Truck and Parts, Navistar. ‘Our vocational trucks with 9- and 10-liter engines are also experiencing fewer active regenerations while still delivering the durability and power that customers expect from International trucks.’

The company says it conducted field tests in extreme environments such as Alaska, Colorado and Arizona. The tests included a variety of vocational duty cycles, from garbage packing and utility trucks to dump trucks and sewer pumpers.

The International DuraStar is available with the 9-liter engine from 275 hp/860 lb.-ft. of torque up to 330 hp/950 lb.-ft of torque. The WorkStar is available with 9- and 10-liter engines from 275 hp/860 lb.-ft of torque up to 350 hp/1,150 lb.-ft of torque.

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