International delivers first MaxxForce engine

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The first MaxxForce big bore engine from International was presented to a customer in a ceremony at a new dealership in North Mankato, Minn.

A 2009 International TranStar with a MaxxForce 13 engine was officially delivered to Wayne Viessman of Cliff Viessman, Inc., at the North Central International dealership.

“Viessman has been a good customer of ours,” said Steve Hatlestad of North Central International. “They helped us with our field testing and we’re proud to be supplying them with TranStars.”

Viessman says he is confident in choosing the MaxxForce 13 to power his TranStar because of the engine’s power, reliability and improved fuel economy.

“We’re very happy with what we’ve been seeing with results,” said Viessman. “We’re a very weight-conscious company and with the new MaxxForce engine, we probably are about 325 to 350 pounds lighter than we were with the engine we were using before.”

The new MaxxForce 11 and MaxxForce 13 Big Bore engines offer commercial truck buyers a fuel-efficient, powerful, durable and quiet engine, International says.

“The next chapter in providing integrated solutions for select heavy trucks and big bore engines begins today,” said Tom Baughman, General Manager, Heavy Vehicle Center, Navistar. “MaxxForce Big Bore engines are now officially in the market.”

Designed and engineered specifically for International brand trucks, the MaxxForce Big Bore engines are offered exclusively in International ProStar line-haul tractors, TranStar regional-haul tractors and WorkStar severe service vehicles. MaxxForce Big Bore offers six ratings from 330 to 475 horsepower and 1,250 to 1,700 lb.-ft. torque.

The MaxxForce 11 and MaxxForce 13 have a high-pressure common-rail fuel system, twin-series turbochargers with interstage cooler and advanced heat-management system. The advanced fuel- and air-management systems provide instant response to reach peak torque at 1,000 rpm. This means earlier acceleration upshifts and fewer grade-climb downshifts, the company says. These features keep MaxxForce Big Bore engines operating more often in the lower speed range – where fuel economy is inherently best. Other 11- and 13-liter engines do not achieve peak torque until higher engine speeds, International adds.

Viessman also has seven additional TranStar units with MaxxForce 13 engines on order and they are scheduled to be delivered by the end of summer. In addition, the company has ordered 38 International ProStars with MaxxForce engines.

For more information on MaxxForce 11 and MaxxForce 13, visit www.maxxforcebigbore.com. For details about the entire line of MaxxForce commercial diesel engines, visit www.maxxforce.com.