As the backbone of the logistics industry, heavy-duty trucks are an essential component of transportation infrastructure worldwide. With their ability to carry massive loads over long distances, they play a significant role in keeping the wheels of commerce turning. A vital aspect of these heavy-duty machines is their drivetrain — the system of components that provide power from the engine to the wheels. This post offers a guide to heavy-duty truck drivetrain parts, including their function, types, and maintenance considerations.