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Maximize your engine’s performance and longevity with the only oils that are designed, tested and approved specifically for use in your Detroit Diesel 2-Cycle engine. Power Guard® Oil is essential for heavy-duty 2-Cycle commercial on-highway and off-highway equipment to satisfy critical lubrication needs.


  • Single viscosity, low ash formula minimizes exhaust deposits and valve burning, which can lead to premature failure
  • Minimizes oil foaming, which provides maximum lubrication to help protect your engine
  • Reduces slipper bushing wear and prevents liner and ring scuffing, which translates to longer component life
  • For new or old engines, whether it’s working on- or off-highway or in a stationary application
  • Designed for diverse applications, making it easy for you to inventory what you need
  • Available as 1-gallon jugs, 5-gallon pails, 55-gallon drums and in bulk