Diesel Engine Animations
This are two animation of the operation of a diesel engine. The first focuses on the four stroke cycle. The second start with the turbo-charger, and makes its way through the engine.
Engine Animation
This YouTube animation shows the animated assembly of a solid model of a four-cylinder engine. It interesting just to see the number of fasteners, but it is worth waiting for the animation of the four-stroke cycle that occurs about two-thirds through.