Lubricant for Diesel Truck & Bus | Delo® Lubricants

Delo® Lubricants ForTrucks & Buses

ISOSYN technology increases mileage, reduces operating costs and guards against the loss of engine life. Explore the various Delo products to transform your vehicle’s average performance into exceptional.

Delo® History of firsts

Delo® has been successfully delivering advanced engine protection to customers for over 80 years to keep their vehicles running efficiently - going further since 1935, with a history of technological firsts and innovation. 

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ISOSYN Technology

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

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Purchase at your nearest Caltex outlet

Our Product Range

HEAVY DUTY MOTOR OILS

Peserve fuel economy, reduce operating costs, and increase engine durability.

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GREASES

Provide high performance and long-life protection in all conditions.

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GEAR OILS

Engineered for reliable protection even under high speed and shock loading for your vital gear parts.

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COOLANTS

Keep your engine operating at its optimum temperature.

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TRANSMISSION FLUIDS

Protect the moving components in your transmission.

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BRAKE AND CLUTCH FLUIDS

Maintain the performance of conventional hydraulic brake and clutch systems.

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Product recommendation guide

Delo delivers end-to-end protection. We’ve got everything you need to keep your SUV or trucks running longer and smoother

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