This video takes a close look at a Caterpillar D4 engine inspection, revealing rusted connecting rods alongside surprisingly clean pistons. See what internal wear, corrosion, and condition details can ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...

While the world is trying to go EV, heavy duty diesel trucks like the Ford F-250 are still the rage for those who do big jobs (or want to look like they do). Many truck owners are always on the ...