Toprol Engine Oil Multigrade 20W40  is a high quality multigrade diesel engine oil blended with superior quality high viscosity index base oil and well balanced group of additives to provide high detergency, dispersancy and anti-oxidation characteristics.
This oil is formulated to perform under the most stringent
operating conditions of heavy duty diesel engines and offers
outstanding protection against oil degradation, oil
thickening and corrosion. It has good shear stability and
maintains its viscosity under high shear, high temperature
conditions.