Sinclair SAE 30 Heavy Duty Diesel Engine Oil

Sinclair Monograde Heavy Duty Diesel Engine Oil Heavy Duty Engine Oil

Legendary Sinclair performance gives you terrific protection for both new and old engine designs.


Outstanding performance to protect engines.


Excellent wear protection.


Unsurpassed deposit and oxidation control to prolong engine life.


  • For older diesel engines.

Industry/OEM Specifications

API SN Plus Approved
API CF Meets Requirements
API CF-2 Meets Requirements

Typical Properties

Color ASTM D1500 2.5
Flash Point °C ASTM D92 208
Flash Point °F ASTM D92 406
Gravity, °API ASTM D287 30.03
Pour Point °C (°F) ASTM D5950 -30°C (-22°F)
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.876
Viscosity @ 100°C cSt ASTM D445 10.91
Viscosity @ 40°C cSt ASTM D445 91.05
Viscosity Index ASTM D2270 105
Zinc, wt. % ASTM D5185 0.086

Container/Bulk Availability

55 Gallon Drum Product Number - 513-003
Available in Bulk