Maintenance

Delvac 1 Heavy-Duty Engine Oils

ExxonMobil

February 5, 2018 - Products

ExxonMobil’s new Mobil Delvac 1 synthetic heavy-duty diesel engine oils are designed to help fleet managers maximize equipment availability and reduce fuel costs. The lineup includes three products that meet the American Petroleum Institute’s CK-4 or FA-4 specifications.

  • Mobil Delvac 1 ESP 5W-30 is designed to deliver long and reliable service in the latest technologies.
  • Mobil Delvac 1 Advanced Fuel Economy 5W-30 is designed to meet stringent fuel-saving objectives and for use in the latest low-emission engine technologies.
  • Mobil Delvac 1 ESP 5W-40 offers smooth and reliable engine operation, including for off-highway equipment.

Field performance testing has demonstrated that these oils can help fleets minimize downtime and deliver increased fuel economy potential without sacrificing engine protection compared to a 15W-40 conventional engine oil.

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