What type of coolant should be used for heavy trucks?

A 4 litre Madin organic acid technology coolant bottle in front of trucks parked in a repair workshop.

During long-haul truck operation, many owners often focus on engine oil, tires, or braking systems, but don’t pay enough attention to the coolant in the radiator. However, this is a component that directly affects the engine’s stable operation under heavy loads and continuously high temperatures. This fact has led many to question its proper functioning. […]