Diesel engines power trucks, generators, and big machines worldwide. But even tough engines break down sometimes.Ignoring small issues can lead to big, costly failures. Knowing what to check can save time and money.

Ever wondered why diesel trucks haul better but gas cars feel smoother? It’s all about what’s under the hood.Engine type affects power, fuel cost, and lifespan. Knowing the difference helps drivers, buyers, and techs make smart choices.