Drydene DieselALL® HD 50W

Part #D20050

DRYDENE DIESELALL® HD 50W 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 50W engine oil.

5 Gal Pail, 55 Gal Drum, Bulk

Product Applications

DRYDENE DIESELALL® HD ENGINE 50W 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
  • MIL-L-46152D

Features & Benefits

DRYDENE DIESELALL® HD 50W 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.

Technical Properties

Viscosity @ 40°C, cStASTM D445212.7
Viscosity @ 100°C, cStASTM D44518.8
Viscosity IndexASTM D227099
ColorASTM D15005.5
Flash Point °CASTM D92211
Pour Point °CASTM D5950-22
Zinc, wt.%ASTM D51850.133
Calcium, wt.%ASTM D51850.346
Phosphorus, wt.%ASTM D51850.116
TBN, mgKOH/gASTM D289610