The OTR heavy duty concentrate antifreeze / coolant is engineered for extreme conditions, offering protection against both high and low temperatures. This product prevents rust and corrosion, effectively extending the life of the engine's cooling system. It includes advanced inhibitors designed to prevent scale build-up and overheating. Formulated to integrate seamlessly, it mixes with any type of antifreeze. Designed for heavy duty applications, it maintains optimal cooling, supporting the consistent performance of the engine’s cooling system.