Water radiator for Caterpillar excavator series Characteristics ● Water radiator is an all aluminum plate-fin heat exchanger, designed as an exact fit, OEM replacement for excavators with famous brands in the world.. ● It is built using our most durable heat exchanger design that is capable of withstanding tremendous heat and pressure. Plate-fin heat exchanger, under higher pressure. ● Our radiators are made of high-quality aluminum, which improves heat dissipation efficiency and ensures that your equipments works normally and efficiently