The technology available to managers and service technicians on their smartphones continues to get better—now Cummins engine owners can use a mobile app to read prioritized engine fault codes and ...

While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

Heavy-duty trucks and industrial vehicles depend on more than just diesel fuel and horsepower — the brains behind their brawn often lie in diagnostic software, and Cummins INSITE is one such tool.

In a May 2013 report, “Case Study—Impact of Poor Diesel Fuel Quality on an Urban Fleet,” Cummins Filtration investigated problems with diesel engines in a New York City bus fleet. Complaints ranged ...