Qualiguard 25W-50 is a high viscosity multigrade motor oil. This multigrade oil can be used in light trucks, commercial fleets, construction equipments, off-road and agricultural machineries. High viscosity helps to reduce leaks in older, high mileage engines. Contains anti-wear agents to provide reliable protection against wear. Designed to protect against oil consumption. Helps to extend engine life. Qualiguard 25W-50 meets and exceeds API CF-4 requirements.