Komatsu's Coolant is engineered to the high Komatsu Engineering Standard that exceeds global industry standards. Coolants are used to prevent freezing, corrosion and rust in cooling systems, as well as providing other useful functions. Using the correct coolant will have a significant beneficial impact on the life of engines, radiators and powertrains. It is possible to maximise your equipment life by maintaining the cooling system with the correct use of a quality coolant. Komatsu coolant solutions are high performance, fully formulated extended life coolant that allows for extended drain periods, saving you money and downtime.