Natural Gas Engine Oil for Vehicular Applications

Kendall® Super-D NG is a high-quality, dispersant-detergent gas engine oil specially designed for use in vehicular natural gas engines. It is formulated with a higher level of antiwear additives to meet the enhanced wear protection requirements of diesel engines platforms converted to natural gas service. It is particularly recommended for use in transit buses, school buses, delivery trucks, and other vehicles equipped with Cummins, Detroit Diesel, or John Deere CNG or LNG engines.


Features & Benefits

  • Excellent wear protection for slider-follower diesel engines converted to natural gas service
  • High dispersancy protects against sludge and varnish formation
  • Outstanding resistance to oxidation and nitration
  • Protects against scuffing and wear
  • Protects against valve stem deposits and valve seat recession
  • Protects against rust and corrosion
  • Good foam resistance


  • Transit buses, school buses, delivery trucks and other vehicles equipped with slider-follower CNG or LNG engines

Technical Details

  • 15W-40
  • Licenses & Approvals

    Super-D NG is OEM-certified for:

    #Cummins CES 20092

    Super-D NG meets the performance requirements of:

    #Detroit Diesel DFS 93K216 (Series 50G and Series 60G engines)#John Deere 6.8L and 8.1L CNG engines

    Additional Details

    SAE Grade 15W-40
    Specific Gravity @ 60°F 0.875
    Density, lbs/gal @ 60°F 7.28
    Color, ASTM D1500 5.0
    Flash Point (COC), °C (°F) 227 (441)
    Pour Point, °C (°F) -36 (-33)
    Viscosity, Kinematic
    cSt @ 40°C 114
    cSt @ 100°C 15.2
    Viscosity Index 139
    Cold Cranking Viscosity (CCS), cP @ -20°C 6300
    Sulfated Ash, ASTM D874, wt % 0.76
    Total Base Number (TBN), ASTM D2896 6
    Phosphorus, wt % 0.080
    Zinc, wt % 0.088