This formula provides thermal and oxidative stability to help prevent high-temperature deposits and low-temperature sludge buildup. ( Compared to a 15W-40 conventional engine oil. Actual savings are dependent upon vehicle/engine type, outside temperature, driving conditions, and your current engine oil viscosity. ).
The 2-Pack Mobil 1 Turbo Diesel Truck Full Synthetic Oil 5W-40 1 Gal product is ideal for maintenance in trucks with diesel engines.