Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

The 12V Cummins diesel engine and its 24V version share numerous traits, including displacement. But their differences make ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...

What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts, it's arguably one of the most popular oil-burners ever produced. Cummins engines were dominant in agriculture long before ...

Among diesel technicians, a few engines have earned a reputation for turning routine jobs into all-day battles, with cramped packaging, fragile components and baffling design choices that punish ...

You might already know that gasoline and diesel engines both operate using the same four-stroke cycle: intake, compression, power, and exhaust. However, a key difference between gas and diesel engines ...

Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...

The venerable Ford Power Stroke diesel engine family features some of the most technologically advanced and powerful turbodiesel engines of all time. Found primarily under the hoods of Ford's ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...