Drydene DieselALL® HD 40W

Part #D20040

DRYDENE DIESELALL® HD 40W is a low ash, single viscosity engine oil designed for use in older model diesel engines in both on-highway and off-highway applications as well as hydraulic systems requiring a high-zinc 40W engine oil.

5 Gal Pail, 55 Gal Drum, Bulk

Product Applications

DRYDENE DIESELALL® HD ENGINE 40W is recommended for use in a variety of heavy-duty diesel engine types:

  • Naturally aspirated, turbocharged or supercharged (four-stroke) requiring a single viscosity fluid.
  • Older model mobile farming, mining and construction equipment.
  • Formulated for older model engines operating on low, medium or high sulfur diesel fuels.


  • API Services Category CF-4/SG
  • MIL-L-46152D

Features & Benefits

DRYDENE DIESELALL® HD 40W is blended from premium base stocks and specific additives to provide dual-purpose performance in both crankcase and hydraulic systems.

  • Detergent and dispersant additives help maintain engine cleanliness, suppress varnishing and aids in suspension of soot and contaminants in the oil.
  • Robust anti-wear additives help extend regular drain intervals and overall engine life even in high operating temperature applications.
  • Reliable performance in cold weather applications, especially in hydraulic systems.

Technical Properties

Viscosity @ 40°C, cSt ASTM D445 124.6
Viscosity @ 100°C, cSt ASTM D445 13.30
Viscosity Index ASTM D2270 101
Color ASTM D1500 2.0
Flash Point °C ASTM D92 210
Pour Point °C ASTM D5950 -26
Zinc, wt.% ASTM D5185 0.087
Calcium, wt.% ASTM D5185 0.16
Phosphorous, wt.% ASTM D5185 0.077
TBN, mgKOG/g ASTM D2896 7.0


Drydene - The Hardest Working Brand in Heavy-Duty Lubrication

Drydene – The Hardest Working Brand in Heavy-Duty Lubrication