... an air-oil heat exchanger which is widely used in construction machinery,like:excavator, loader, road roller,scraper,paver,bulldozer, ... you is a plate-fin oil cooler only for excavator engine part.It is made of aluminum alloy with ... 25~18MaterialAl AlloyDimentionOn requestSpecialty Compact strcture,easy installation,lightweight Used for excavator oil cooling Export South America,Southeast Asia,Europe, ...