Mobilgard™ HSD 20W-50

Related Product

Mobilgard™ HSD 15W-40

Mobilgard™ HSD 15W-40 is designed to provide outstanding performance in the most severe-service marine applications of modern, high-speed diesel engines.

Data sheets

Product information

Features Advantages and Potential Benefits
Thermal and oxidation stability Controls sludge buildup and deposits
Excellent detergency/dispersancy Keeps your engines clean
Stay-in-grade shear stability Minimises oil consumption and wear


Mobilgard HSD 20W-50 oil is recommended for use in:

  • Diesel-powered equipment from leading engine manufacturers
  • Older and reconditioned marine engines
  • Engines that meet API CF-4/CF/SG/SF

Typical Properties

Mobilgard HSD
SAE Grade 20W-50
Viscosity, ASTM D 445
cSt, at 40ºC 149
cSt, at 100ºC 17.6
Sulphated Ash, wt%, ASTM D 874 1.0
Viscosity Index, ASTM D 2270 130
Total Base #, mg KOH/g, ASTM D 2896 8.4
Pour Point, ºC, ASTM D 97 -30
Flash Point, ºC, ASTM D 92 220
Density @ 15ºC kg/l, ASTM D 4052 0.88
Cruise and Ferry
Inland and Coastal
Offshore Supply Vessels
Specialized Shipping
Short Sea Shipping
Conventional oil
Corrosion protection
Energy Efficient
Enhanced Wear Protection
Environmentally Acceptable Lubricants EAL
Extended Life
Extreme Pressure
Food Grade
High Moisture
High Temperature
Lithium Complex
Low Temperature
Lubricants storage and handling
Synthetic Grease
Vessel General Permit VGP
Water Resistance
Wide Temperature
Zinc Free
Calcium lithium
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