While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

Diesel engines are more durable by their very nature, and these ones are practically unkillable.

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Looking for an affordable car that lasts? These budget-friendly models have proven engines known for reliability, low maintenance costs and long life.

Your car and your motorboat both rely on engines to move, but both vehicles use very different types of engines in order to ...