Equipment Type

Navistar Ships Vocational Trucks with 9-, 10-Liter SCR Engines

Navistar Inc. has started customer shipments of its first International DuraStar and International WorkStar vehicles with the company’s 9- and 10-liter engines with selective catalytic reduction (SCR) emissions technology.

July 16, 2014

Navistar Inc. has started customer shipments of its first International DuraStar and International WorkStar vehicles with the company’s 9- and 10-liter engines with selective catalytic reduction (SCR) emissions technology. The company’s internal testing shows these products are delivering up to 8 percent in fuel economy improvement over the previous generation.

“Our field test customers are seeing positive results — with our new trucks registering significant fuel economy improvements,” said 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.”

Built on Navistar’s I-6 platform, the company’s 9- and 10-liter engines bring 9.3-liter displacement and 860-1,150 lb-ft torque in a weight-saving medium-duty package. The company conducted field tests in extreme environments such as Alaska, Colorado and Arizona. These 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 torque up to 330 hp 950 lb-ft torque. The International WorkStar is available with 9- and 10-liter engines from 275 hp 860 lb-ft torque up to 350 hp 1,150 lb-ft torque. All International vocational trucks feature the International Diamond Logic electrical system.

 
 

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