The reliability, performance and lifetime of your vehicle’s driveline ultimately depend on an extremely thin lubricant film that separates moving parts and reduces friction. Selecting the right Mobil Delvac™ Synthetic engine oil from our range will help protect your engine from the harmful effects of soot and other contaminants. Mobil Delvac technology helps maximise the life of heavy-duty equipment, whether it’s used in advanced low-emissions engines or hard-working older engines.


Find the right oil

Use our recommendation chart to find the right heavy-duty engine oil for you.

Resource centre

To find the latest information from Mobil™, visit the resource centre.

1.8 million mile engine inspection

Watch as a 10-year-old diesel engine is inspected for wear and cleanliness, and how Mobil Delvac 1 does an exceptional job protecting this engine 
                       even after 1.8 million miles.

Oil pour test

Witness the difference between monograde and multigrade oil at below freezing temperatures, and why multigrade oil better meets low-
                       temperature viscosity requirements.

Don't just take our word for it

Test after test, Mobil Delvac™ technology comes out on top. But the real challenge takes place within the equipment that is used every day in the industry. Mobil Delvac continues to be a leader based on real-life results. Read driver testimonials.