YAMAMOTO SAE 10W Motor Oil provides premium quality service in both diesel and gasoline engines, and are specially formulated for heavy-duty diesel engines operating both on and off-highways. The anti-wear agents used in this product range provide excellent protection against metal to metal contact, minimizing engine wear and effectively extending engine life. The high thermal stability provides outstanding high temperature YAMAMOTO SAE 10W Motor Oil contains the latest development in dispersant technology to resist oil thickening caused by this soot. The  dispersant minimizes sludge formation and effectively keeps particles in suspension to extend filter life.