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Mobil Delvac 1™ LE

A synthetic heavy-duty diesel engine oil for modern low emissions vehicles.

Bumper-to-bumper guide

Find out where – and which – heavy-duty lubricants are recommended for your truck.

Mobil Delvac Lubricants for Owner/Operators

Every day, successful owner/operators choose Mobil Delvac™ heavy duty diesel engine oils to help extend the life of their vehicle’s engines. They know that even under some of the most demanding conditions, Mobil Delvac is the oil brand they can trust to protect their vehicles’ engine, help them make their deliveries on time, and, most important, help them get back home to family and friends. Learn how these owner/operators have all succeeded in the trucking business and why they choose Mobil Delvac lubricants for long engine life.

Mobil Delvac Lubricants for Trucking Fleets

Today and tomorrow, Mobil Delvac™ diesel engine oil is the brand of choice for many of the country’s most successful trucking fleets. That’s because Mobil Delvac diesel engine oil delivers proven performance and exceptional engine protection, enabling fleet owners and maintenance managers to reduce downtime and maximize productivity. Learn how Mobil Delvac lubricants help these fleets stay ahead of the competition.

Mobil Delvac Lubricants for Professional Contractors and Agriculture

For more than 80 years, Mobil Delvac™ lubricants have been helping construction contractors, agriculture professionals and landscapers to maximize the performance and durability of their trucks and heavy duty equipment. Whether on the road or on a job site, you can benefit from the proven performance of Mobil Delvac oils and greases. Watch how Mobil Delvac lubricants are helping these contractors succeed in their business. 

Mobil Delvac Lubricants for Off-Highway Applications

Construction businesses cannot afford unscheduled downtime. That’s why many leaders in the industry rely on Mobil Delvac™ diesel engine oils and other Mobil™ branded lubricants to protect their full range of heavy diesel off-highway vehicles and equipment, including Class-8 trucks, diggers, excavators, dozers, graders, tractors, dump trucks and more. Learn how these construction companies stay ahead of the competition with Mobil  Delvac and other Mobil lubricants.