Mobil Delvac ExxonMobil has specialized in heavy duty lubricants for 80 years, so it's no surprise that Mobil Delvac technology is chosen by the world's five largest heavy duty truck engine builders. Year after year, decade after decade, Owner Operators and fleets continue to put their trust in Mobil Delvac. Why? The answer is our commitment to be at the forefront of lubrication technology. We have a relentless commitment to research and development that helps keep our products at the pinnacle of performance -- which helps you keep your vehicle at its peak.
To read more about why Mobil Delvac is the choice of so many Owner Operators and fleets, read what they say about our products.
In the laboratory, we test Mobil Delvac in engines from all major manufacturers. On the road, we test Mobil Delvac by logging millions of miles in test fleets all around the country. Through the tremendous amount of resources and time we put into research and testing, we are able to ensure that our Mobil Delvac heavy duty engine oils deliver long engine life, help minimize engine wear, and reduce deposit formation -- all of the key benefits you want from your oil.
In addition to our Mobil Delvac engine oils, we offer a complete line of fully synthetic drivetrain fluids and high performancegreases that provide long equipment life and help you maximize the performance of your heavy duty vehicle.

|  |   |