Diesel engines ... problem with the Cummins engine is what's become known as the "Killer Dowel Pin," where the timing cover alignment peg works itself loose from the cylinder head and wreaks ...

In 2003, the popular heavy-duty truck offered the Cummins third generation of engines, the 5.9-liter inline-six-cylinder diesel. Another change was a switch to 24-valves over the previous 12-valve ...

While Clessie Cummins and business partner William G. Irwin didn't invent the diesel engine, they saw its budding ... but don ...