Diesel Oils

AMSOIL Synthetic Diesel Oils have been used in transportation, equipment and stationary engine applications. In every industry, they have proven effective in improving engine durability and fuel economy. AMSOIL customers report significant savings realized through reductions in downtime, parts replacement, lubricant replacement, lubricant disposal and fuel consumption. Fleet demonstrations and independent testing confirm what AMSOIL customers report: using AMSOIL Synthetic Diesel Oils saves money.

SAE 15W-40 Heavy-Duty Diesel and Marine Oil

Superior Shear Stability and Extended Drain Intervals in Ultra-Low Emission Diesel Engines. AMSOIL Synthetic 15W-40 Diesel Oil is the premium choice for API CJ-4 emission-quality diesel oil required by model-year 2007 and newer diesel engines. Built with the latest additive and synthetic base oil technology, AMSOIL Premium Synthetic SAE 15W-40 Diesel Oil exceeds the higher performance demands of modern engines. It withstands the stress of heat, soot and acids to help prevent deposits, corrosion and wear.

Ideal for Fleets

AMSOIL Premium 15W-40 Diesel Oil reduces operating costs through extended drain intervals. It is engineered for a wide range of applications, allowing fleet operators to consolidate engine oil inventories in mixed fleets. In addition, it reduces downtime through extended drain intervals and improved equipment protection.