AMSOIL 10W-30 Diesel Max Duty Synthetic Motor Oil - Heavy Duty Engine Protection for Trucks, SUVs & Diesel Vehicles - Ideal for Towing, Off-Road & Extreme Weather Conditions

Developed to protect the horsepower diesel enthusiasts crave and extend the life of hard-working commercial equipment in the most severe conditions. Signature Series synthetic technology delivers max-duty protection in on- and off-road applications.