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 will deliver International ProStar sleepers and day cabs powered by 2010 Environmental Protection Agency-certified MaxxForce 13 big bore engines using exhaust gas recirculation technology.

Navistar is recalling more than 2,800 model year 2013-2014 International ProStar sleeper cab vehicles manufactured Dec. 12, 2012, through Aug. 8, of this year, that are equipped with feature code ...

A Tennessee jury recently awarded about $30 million to a trucking firm that sued Navistar, arguing Navistar had failed to disclose that an older generation of its engines was sold with defects.

LOUISVILLE, Ky. — Navistar Inc. has introduced the ProStar Plus, a lighter, more fuel-efficient version of its ProStar Class 8 tractor. Fuel economy, driver environment and vehicle weight were the ...