New generation automatic transmission fluid based on an advanced synthetic technology allowing extra-long drain and very high performance needed for the demanding requirements of modern heavy-duty automatic gearboxes.
Fluidmatic SYN T668 is a high-performance transmission fluid with extended oil-drain interval up to 150 000 miles under sever conditions or 300 000 miles under normal conditions, for specific conditions please refer to the Transmission Fluid/Filter Change Recommendations from Allison.