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Blue Flame HB-5™ Engine Oil SAE 40

D-A Blue Flame HB-5™ is designed specifically for use in medium and high speed (rpm) gas engines fueled by processed natural gas or other gas sources that may contain corrosive materials. The Hard Base™ TBN of five (HB-5) comes from an exclusive detergent/dispersant additive system providing a new level of deposit control for low ash oils while also effectively neutralizing the corrosive by-products of combustion.

D-A Blue Flame HB-5 is formulated with thermally stable, high VI base oils that are naturally resistant to oxidation. These base oils are combined with a unique additive system that further extends oil oxidation life. Special valve cushioning additive components help reduce exhaust valve seat and face wear during severe service. The low ash, low phosphorus composition is compatible with exhaust gas catalytic converters and promotes longer spark plug life for minimized maintenance costs.

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  • Viscosity
  • Packaging
  • Recommended Applications


Viscosity profiles meet the full requirements for protection and performance. Always consult your owner’s manual for proper oil viscosity and quality selection guidance.

Packaging Options

Available in a wide range of packaging including:

Part Number Packaging
52631 Bulk
52632 55 Gallon Drum
52633 330 Gallon Tote

Typical Applications

  • Gas compression and transmission
  • Wellhead gas pumpers
  • Oil pumpers
  • Irrigation systems
  • Total energy systems
  • Waste water treatment cogeneration plants
  • Landfill gas cogeneration systems
  • Manure gas cogeneration
  • Engine Applications:
    • Caterpillar
    • Cummins Rio-Grande
    • Deutz
    • Enterprise
    • Fairbanks Morse
    • Jenbacher
    • Minneapolis-Moline
    • Stewart & Stevenson
    • Waukesha
    • White

Meets Non-Selective Catalytic Reduction (NSCR) catalyst compatibility requirements.

For engine makes and models, consult the D-A Technical Service Department.

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