Sinclair Monograde Heavy Duty Diesel Engine Oil
Heavy Duty Engine Oil
Advanced Oils for Engines of Advanced Age
Your engine has served you well over the years. Now it’s your turn to serve it with outstanding protection that strikes just the right mix of durability, longer drain intervals and protection of emissions control devices.
Sinclair Monograde Heavy Duty Diesel Engine Oil: Performance You'll Notice
Sinclair leans on over 100 years of lubrication knowledge to bring you a tough, enduring level of protection that reduces contact between metal parts and keeps friction at a minimum, giving you:
Outstanding performance for extended drain intervals, with up 1.6% improved fuel mileage with HD 10W-30 grade.
Increased wear protection of up to 53%.
Deposit control up to 63% and better oxidation control up to 83%.
|Viscosity Grade||HD SAE 30|
|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|
|Title||HD SAE 30|
|API CF||Meets Requirements|
|API CF-2||Meets Requirements|
|API SN Plus||Approved|
Information accurate as of December 12, 2023