Mobil Delvac™ lubricants

#1 Brand of Diesel Engine Oils Sold at Truck Stops

Drivers across the globe rely on Mobil Delvac™ engine oils — for 80 years, a recognized leader in heavy-duty lubricants. Mobil Delvac is:

- Chosen by many of the world’s leading heavy duty original equipment manufacturers.

- The #1 brand of diesel engine oil sold at truck stops.*

Mobil Delvac meets and often exceeds the needs of today’s original equipment manufacturers and commercial vehicle professionals. There is a lubricant to meet the needs of your vehicle whatever your operating conditions.

*Based on a 2011 survey of bulk diesel oil sales at U.S. truck stops.

Engine Oils

Mobil Delvac™ diesel engine oils cover heavy, medium and light commercial vehicle applications and can help to achieve long engine life with extended service intervals. For natural gas-fueled truck and bus engines, consider Mobil Delvac™ CNG/LNG 15W-40.


Mobil™ high-performance greases can give first-rate stability against oxidization and moisture intrusion as well as excellent corrosion protection and flow characteristics, even at very low temperatures.

Gear Oils

Mobil Delvac™ gear oils have been specially developed for truck transmissions, axles and final drives that operate even under the most demanding conditions.

Manual and Automatic Transmission Fluid

Mobil™ transmission oils include synthetic products and can offer excellent protection against high-temperature and high-speed wear whilst also providing outstanding cold-temperature performance.