The turbocharger is one of the most hardworking components in a modern diesel engine. Operating at speeds exceeding 100,000 RPM and enduring exhaust gas temperatures well over 1,000°F, it compresses...

The Diesel Particulate Filter (DPF) is one of the most misunderstood—and most expensive—components on a modern Tier 4 diesel engine. Installed in the exhaust system, its job is to trap...

White smoke from a diesel engine exhaust is one of the most alarming sights for any operator or fleet manager. Unlike the black soot of an over-fueling engine or the...

Water in diesel fuel is far more destructive than most equipment owners realize. Unlike gasoline, diesel fuel has a natural tendency to absorb and suspend water—and modern common rail injection...