Synthetic Blend Full Engine Oil

Duragard® SAE 30WT Heavy Duty Single Grade Engine & Transmission Oil

Product Code: DUR30XX
AVAILABLE IN: 2.5 gal JUG, 5 gal PAIL, 16 gal KEG, 30 gal DRUM, 55gal DRUM, and BULK (in selected areas)

2.5 gal Jug

5 gal Pail

16 gal KEG, 30gal DRUM, 55gal DRUM, and BULK (in selected areas)




Gravity, ºAPI ASTM D287 29.77
Specific Gravity @60°F (15.6°C) ASTM D4052 0.8774
Viscosity @ 40°C cSt ASTM D445 77.57
Viscosity @ 100°C cSt ASTM D445 10.02
Viscosity Index ASTM D2270 110
Pour Point °C (°F) ASTM D5950 -30ºC (-22ºF)
Color ASTM D1500 2.5
Zinc, wt. % ASTM D5185 0.1
Phosphorus, wt. % ASTM D5185 0.0914
Calcium, wt. % ASTM D5185 0.966
Sulfur, wt. % ASTM D4951 0.231
Magnesium, wt. % ASTM D5185 0.914
Sulfated Ash, wt. % ASTM D874 1.03
Nitrogen, wt. % ASTM D4629 0.061
Nitrogen, wt. % ASTM D4629 0.102
Typical test data average values only, minor variations which do not affect product performance are to be expected during normal manufacturing.

Duragard® SAE 30WT Single Grade Heavy Duty Engine & Transmission Oil is specially formulated with a select High Viscosity Index (HVI) Group-II Hydro-cracked base oils combined with potent detergent dispersants, anti-wear additives, anti-oxidants, defoamers, and pour point depressant compounds that provide superior low temperature fluidity and extraordinary high temperature film strength to prevent metal-to-metal contact.

Duragard® SAE 30WT Single Grade Heavy Duty Engine & Transmission Oil meets the performance requirements of typical of API SN PLUS and can be used in applications where a 30WT Single Grade API SN PLUS, API CF, or API CF-2 fluid is specified. Recommended for older diesel engines.


  • * Meets API SN PLUS, API CF, API CF-2.
  • * Reduces deposits of sludge, varnish and carbon on engine parts.
  • * Superior low temperature fluidity..
  • * Provides excellent high film strength properties under high temperatures.
  • * Outstanding oil performance under harsher conditions.
  • * Suitable for heavy equipment used for construction, mining or quarry operations, and farming.

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