Mobil Delvac 1320, 1330, 1340 and 1350 are seasonal oils for diesel engines, created using base oils produced with advanced technologies and a balanced additive package. These oils are specifically designed for engines with turbocharging and intermediate cooling, operating in heavy road and off-road conditions. Seasonal oils of the Mobil Delvac 1300 series are widely used in various equipment for which the use of seasonal oils is recommended. Application: Specially designed for engines with turbocharging and intermediate cooling, operating in heavy road and off-road conditions. Vehicles and equipment with naturally aspirated and turbocharged diesel engines Road transport, from light to heavy trucks Off-road vehicles used in construction, mining, and agriculture Features and benefits: Excellent protection against oil thickening, formation of high-temperature and sludge deposits, resistance to oil aging and corrosion Increased engine life Reduction of deposits Excellent protection against piston ring sticking Increased reserve alkalinity Long-term reduction of deposits and wear Reduction of acid formation when using high-sulfur fuel