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Mobil Delvac™ lubricants help keep fleets running

Increase your uptime  

We understand the rigors on-and-off-highway fleets go through every day. So, we built Mobil Delvac™ lubricants, a line of heavy-duty diesel engine oils trusted by technicians globally and designed for the toughest conditions, to maximize equipment uptime and power performance. Our lubricants and team of experts are here to help give your fleet the confidence to keep moving forward.

No matter the size of your fleet, the Mobil Delvac lubricants team is there as a strategic collaborator. By offering proven reliability and a support system that helps extend oil drain intervals*, streamline engine protection across diverse vehicles and lower the total cost** of ownership, Mobil Delvac products transform maintenance into a business value driver.

Backed by a century of expertise, Mobil Delvac lubricants combine state-of-the-art technology with strong OEM compliance to meet and exceed the latest industry specifications. Endorsed by mechanics worldwide, it’s a comprehensive suite of products designed to help protect business investments and drive profitability.

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Mobil Delvac product line-up

Relying on standard engine protection? You could be missing a critical opportunity to turn routine maintenance into a competitive advantage. Mobil Delvac lubricants are engineered specifically for the unrelenting demands of modern heavy-duty engines. These world-class oils deliver superior thermal stability, exceptional resistance and defense against wear and deposit buildup.

Whether you’re an independent owner-operator protecting your business or a national fleet manager optimizing asset ROI, by choosing Mobil Delvac lubricants, you’re making an active investment in the longevity.

PC-12 lubricant category spec upgrade

Starting January 1st, 2027, heavy-duty diesel engine oils will be undergoing a category upgrade. The Mobil Delvac lubricants team is here to guide you through the change, help you understand what it means for your fleet, and how you can take advantage of the new product formulations for greater efficiency and TCO.
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ASE certification results in an average
40%
greater productivity in shops
Learn more about our
ASE collaboration
Save technicians up to
50%
of their time
Read the tips
Sukut Equipment saw a
100%
increase in oil drain intervals
Find out how
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Trucking management

For fleets of all sizes, finding the right balance of truck maintenance is vital to engine longevity and operational productivity. With over a century of experience producing high-quality engine oils built for the most challenging trucking scenarios, Mobil Delvac lubricants meet the moment.

Construction operations

Everyday construction jobs require equipment that works hard while remaining reliable and consistent. Those who choose Mobil Delvac lubricants can rest assured knowing reduced downtime will lead to a higher ROI.
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When we pick up the phone, [they're] always available –
Mike Ortiz
President of Sukut Equipment, Parts & Rentals
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100+ years of innovation – and counting

Consistent performance fleets rely on to keep moving—that’s what Mobil Delvac lubricants have provided to the industry for over a century. Our vast history illustrates a strong dependability that continually evolves to deliver modern, advanced lubrication solutions to solve today’s toughest operational challenges.
Explore our history
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Unique offers for your on-highway trucks

Mobil Delvac lubricants are engineered to increase uptime and optimize performance at scale. To help get these solutions in your hands, we have programs and exclusive offers.
Find your solution
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Maximize your construction site uptime

Unexpected scenarios can happen at any time in the construction industry. To prepare and protect your fleet, find the right Mobil Delvac lubricant for your equipment.
Check out our offers
* Based on US engine manufacturers’ (OEM) average oil drain intervals (ODI) API CK-4 / API FA-4 recommendation. Results vary based on vehicle/engine condition, driving and environmental conditions. Consult OEM or ExxonMobil before implementing extended ODIs, especially if the equipment/vehicle is under warranty.
** Maintenance costs may vary and are based on application-specific operating conditions. Not a guarantee of financial performance. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.

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