10W-30/SAE 30 Synthetic Heavy-Duty Diesel Oil (ACD)

Amsoil 10W-30/SAE30 Synthetic Heavy-Duty Diesel Oil exceeds both 10W-30 multi-grade and SAE 30 straight-grade viscosity requirements. Provides outstanding performance in pre-2007 diesel engines in on-road applications as well as all model-year diesel engines in off-road apps. Also recommended for gasoline engines requiring API SL or previous specifications. Read More …

SAE 15W-40 Heavy-Duty Diesel and Marine Oil (AME)

Amsoil 15W-40 Synthetic Diesel and Marine Oil is engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. High 12 TBN controls acids from combustion blow-by and EGR. Additives control soot thickening, oxidation and wear. Extended drain capabilities reduce downtime and motor oil expenses. Read More …

Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil (HDD)

Amsoil Series 3000 Heavy Duty Diesel Oil is engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. Also engineered for all gasoline engines recommending API SL specifications including turbo-charged vehicles. Provides superior wear protection and fuel efficiency. Read More …