No matter how extreme the task, Caltex premium lubricants are specially formulated for numerous different industrial and off-highway engine types. Caltex lubricants are engineered to excel in the harshest conditions imaginable, delivering reliable engine protection and outstanding performance.

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ISOSYN Technology is how Chevron formulates its top tier Delo products.  It’s the combination of our premium base oils, high performance additives, with Chevron’s formulation expertise that provides superb diesel engine parts protection. All at an outstanding value.   

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Delo with innovative ISOSYN Technology delivers industry leading durability, reliabilty and efficiency.  It works in synergy with the changing conditions in your engine to maximize protection, optimize performance and extend oil life.