The engines used in passenger cars and large trucks have many differences. Here's what separates heavy-duty diesel coolant ...

We may receive a commission on purchases made from links. For much of the U.S., the concept of an engine block heater is a foreign one. Even areas like the mile-high city (Denver), which faces its ...

Key coolant difference: Heavy-duty diesel engines need additives to prevent cavitation damage, unlike most passenger cars. Risk of wrong type: Using standard coolant in engines with wet-sleeve liners ...