Heavy Duty Engine Oils

Suburban Oil offers extra high performance diesel engine oils that help extend engine life and drain intervals in the most severe on and off-highway applications. The advanced chemistry of our products deliver exceptional performance in both modern high-output, low-emission engines including those with Exhaust Gas Recirculation (EGR) as well as older engines operating on low or higher sulfur fuel. As a result, these products meet or exceed the new API service category and JASO industry specifications.

Our engine oils are recommended for use in a wide range of heavy-duty applications and operating environments found in the trucking, mining, construction, quarrying, and agricultural industries. The outstanding performance of our Mobil Engine Oils is the result of extensive cooperative development work with major OEMs and advanced additive chemistry with patented Trimer technology. These enhancements assure excellent control of oil thickening due to soot buildup and exposure to higher temperatures and provide outstanding resistance to oxidation, corrosion, wear, and high temperature deposits.


Products (Heavy Duty Engine Oils)

  • Mobil Delvac 1, 5W-40
    Fully synthetic supreme performance heavy duty diesel engine oil
  • Mobil Delvac 1300 Super
    Extra high performance CJ-4 diesel engine oil for extended drain intervals.
  • Mobil Fleet
    Heavy-duty engine oil designed for high-speed, four-stroke engines and meets 2007 model year on-highway exhaust emission standards
HD Engine Oils
Drivetrain Lubricants
HD Hydraulic Oils
HD Greases