This story appears in the Jan. 25 print edition of Transport Topics. MELROSE PARK, Ill. — Navistar Inc. said it will introduce a new version of its top over-the-road tractor this year called the ...

Navistar Inc., at a press event in Louisville, Ky., on Wednesday, March 24, introduced the new International ProStar+, which has improved aerodynamics and a nearly 1,300-pound weight reduction from ...

Navistar Inc. has announced a new fuel-efficiency package for its International ProStar model, marking the latest enhancement to the company’s lineup. The ProStar ES, which stands for efficiency ...

International Truck unveiled a new fuel efficiency package for its ProStar model, called ProStar ES. Short for efficiency specification, the ES package combines enhanced aerodynamics with improved ...

Truck and engine maker Navistar is rolling out a new fuel efficiency package for its International ProStar highway tractor, dubbed the ProStar ES – a designation that stands for “efficiency ...

Navistar’s OnCommand Connection remote diagnostics system will now be free and standard on all 2007 and newer model International trucks, the company announced this week at the Mid-America Trucking ...

Navistar Inc., March 24 introduced the new International ProStar+, which has improved aerodynamics and a nearly 1,300-pound weight reduction from the existing ProStar model. “Along with improving the ...

Navistar announced this week it will offer the Tremec 10-speed manual transmission in its International ProStar models equipped with the company’s 13-liter engine. Tremec offers a wide range of high ...

Navistar is adding a lightweight transmission option to its International ProStar tractor. The Tremec 10-speed manual transmission is now available on ProStar tractors with Navistar’s 13L engine.

Navistar Inc. disputes allegations that it didn’t thoroughly test its MaxxForce EGR engines — allegations that surfaced in a lawsuit where a jury last week awarded $30.8 million in damages — including ...

Navistar is slowly getting better and looks set to take advantage of the improving truck market in the U.S. Navistar's new products are gaining good traction, which makes a turnaround a stronger ...