DELO® Truck & BusesDiesel 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 via our Distributors (in bulk) or at your convienience at all Caltex stations.
Our Engine Oils
Delo® 400 MGX SAE 15W-40Mineral
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® Gold Ultra SAE 15W-40Mineral
A high performance, multigrade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of engines, including those fitted with emission control technologies.
Delo® Gold MultigradeMineral
A high performance, multigrade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CH-4, CF performance lubricants and SAE 10W-30 viscosity grade is recommended.
Recommended For You
Gear Lubricants
Our premium Delo gear oils assist in reducing wear in manual transmission systems and ensure reliable manual gearbox protection for your bus or truck.
Greases
Delo greases combine lubricating oils with thickeners to enable every greased part to operate smoothly, ensuring high performance and long-life protection.
ISOSYN Technology
ISOSYN Technology is why Delo products provide reliable protection to critical engine parts.