Delo® Heavy-Duty Diesel Engine Oil | For Truck & Buses

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    DELO® Truck and BusesHeavy-Duty DIESEL 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.

    Maximise engine reliabilty and fuel economy

    When it comes to heavy-duty engines, proper lubrication means much more than just a protective film. The right engine oil also helps to disperse soot and control sludge, so as to improve fuel economy and engine durability – and most importantly, minimise operating cost.

    Explore our full range of premium line of engine oils.

    Purchase at your nearest Caltex station

    Our Engine Oils

    Delo® Gold Ultra SAE 15W-40Mineral

    Delo® Gold Ultra SAE 15W-40 is a high performance, multigrade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of engines.

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    Delo® 400 SLK SAE 15W-40

    Delo® 400 SLK SAE 15W-40 with ISOSYN Advanced Technology is a premium quality heavy-duty diesel engine oil designed outstanding engine protection.

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    Delo® 400 RDS SAE 10W-40

    Delo® 400 RDS is a High performance synthetic- blend “low-SAPS” diesel engine oil designed to meet current ACEA requirements and more challenging OEM specifications for Euro V and VI engines, especially where Diesel Particulate Filters (DPF...

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    ISOSYN Technology

    Delo® with ISOSYN advanced technology is expertly formulated to deliver high-performance engine protection. Find out more about the benefits of Delo®.

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    Rewards and Offers

    Check out the incredible rewards and offers you can receive when you fuel up with your local Caltex. From discounts, promotions and more. Learn more here.

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