Diesel engines have long had a solid reputation for reliability, but these powerhouses have proven to last far longer than ...

LISLE, Ill. (AP) -- Navistar International Corp. said Monday that it reached long-term supply agreements that will allow the company to put Cummins Inc. engines in some of its largest trucks, as well ...

Navistar International Corp. and Cummins Inc. have finalized the agreements necessary to supply the Cummins ISX15 engine for International truck models as well as the inclusion of the Cummins Emission ...

Agency says company could go out of business if fine is not allowed. Navistar International Corp. will be able to sell engines that do not meet 2010 emissions standards — but the company will pay a ...

Rolling west on Interstate 90 out of Chicago toward Rockford behind the wheel of an International ProStar 122 tractor, it was clear that Navistar’s engineers and executives weren’t kidding when they ...

A federal appeals court has thrown out an Environmental Protection Agency rule that allowed Navistar Inc. to pay penalties while it continued to sell engines that did not meet 2010 federal emissions ...

Just months after forming a global truck venture with Caterpillar, Navistar has acknowledged it is engaged in conversations with Anhui Jianghuai Automobile Co. (JAC) to possibly form a joint engine ...

Click here to write a Letter to the Editor. Navistar International Corp. said Monday it is suspending production of a diesel engine it builds for Ford Motor Co. because Ford has stopped honoring ...

Caterpillar Inc. has decided not to supply EPA 2010 compliant engines to truck and other on-highway original equipment manufacturers, but it has struck a deal with Navistar International Corp. to ...

On September 23, 2008, Navistar celebrated the 75th anniversary of its first production diesel engine, the D-40, with the opening of its new engine plant in Huntsville, Alabama. The plant will produce ...

Now that Navistar has “a solid owner that thinks long-term,” its new CEO is excited to bring the strengths of the truck maker together with a technology infusion from parent company Traton to bring ...