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Monograde Heavy Duty Diesel Engine Oil

Heavy Duty Engine Oil

Protection and Performance

Only the most advanced engine oils meet the difficult challenges of effectively balancing durability, extending drain intervals and protecting emissions control devices.

Excellent Quality and Protection

MAG 1® with FMX® Technology provides unsurpassed protection in every viscosity. FMX Technology creates a strong, durable and high-performing level of protection that controls friction and reduces metal-to-metal contact.  

Typical Properties

Viscosity Grade HD SAE 10 HD SAE 30 HD SAE 40 HD SAE 50
Cold Cranking Simulator at (°C), cP ASTM D5293 4025 (-25) - - -
Color ASTM D1500 2.5 2.5 2 5.5
Flash Point °C ASTM D92 206 208 210 -
Flash Point °F ASTM D92 403 406 410 -
Gravity, °API ASTM D287 31.42 30.03 29.61 26.62
Pour Point °C (°F) ASTM D5950 -36°C (-33°F) -30°C (-22°F) -27°C (-17°F) -
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8685 0.876 0.8783 0.8949
Viscosity @ 100°C cSt ASTM D445 6.794 10.91 13.29 18.77
Viscosity @ 40°C cSt ASTM D445 42.83 91.05 124.5 212.6
Viscosity Index ASTM D2270 114 105 101 98
Zinc, wt. % ASTM D5185 0.086 0.086 0.086 0.132
Calcium, wt. % ASTM D5185 - - - 0.346
Phosphorus, wt. % ASTM D5185 - - - 0.116
TBN, mgKOH/g ASTM D2896 - - - 7.5

Industry/OEM Approvals

Title HD SAE 10 HD SAE 30 HD SAE 40 HD SAE 50
API CF Meets Requirements Meets Requirements Meets Requirements -
API CF-2 - Meets Requirements Meets Requirements -
API CF-4/SG - - - Meets Requirements

Information accurate as of April 4, 2024