1.air coolered aluminum cooler 2. light weight 3. high cooling efficiency 4.application:33 ton excavator 5.custom made hot mediumoilwaterCACdesign pressure1.5Mpa0.15Mpa0.2Mpawe can offer fan,motor,fan shroud , grid or just naked cooler based on your requirement. Cooler package,33 ton excavator,oil/water/CAC cooler ,radiator