Bruce Smith puts five cleaner/degreasers to the test cleaning cross sections of a plugged Ford 6.7L Power Stroke EGR Cooler to see which one (s) work the best ...

Read how other engines performed in Overdrive‘s test drives. Childers, a driver for Hartford Trucking of Hartford, Kan., drives a 9900 series International with a Cummins 550 N14. He pulls plenty of ...

Exhaust Gas Recirculation (EGR) has firmly shown its ability to comply with Tier III NOx limits, which will enter into force in January 2016. Developed by MAN Diesel & Turbo, the EGR process already ...

I pulled the 435-hp VNM 64T day cab out of Volvo headquarters in Greensboro, N.C., grossing 70,000 pounds. I noticed that typical turbo sounds were lacking, replaced by a slight whistle as the turbo ...

COLUMBUS, Ind. High-mileage durability evaluations of its post 02 on-highway ISX engines indicate they are capable of providing the same or better durability than the power plants they replaced, ...

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 ...

Mobil’s CI-4 Delvac 1300 Super 15W-40 engine oil features new technology to deliver unprecedented oil performance in heavy-duty trucks, according to one of the company’s top techies. Michael Ragomo, ...