DELO® Truck & BusesHeavy-Duty ENGINE OILS
Delo means efficiency. Fuel economy without sacrificing engine protection. Save money, and lower emissions. Switch to a Delo fuel economy product to see it for yourself.
Purchase at your nearest Caltex station
Our Engine Oils
Delo® 400 MGX SAE 15W-40 Mineral
An API CJ-4 premium heavy duty diesel engine oil specifically formulated for on-highway and off-highway applications using either High Sulfur or Low Sulfur Diesel.
Delo® Silver Multigrade SAE 20W-50Mineral
A multigrade heavy-duty diesel engine oil designed to lubricate engines requiring API CF-4, CF/SG performance lubricants.