Mack Trucks — Engine Oil Specifications
Mack Diesel Engines — Engine Oil Specifications
Mack heavy-duty diesel engines used in the Anthem, Pinnacle, and Granite lineup. Every Mack engine requires Mack EOS-4.5 — a proprietary spec that sits above generic API CK-4. Pick your engine below for the exact viscosity, capacity, and drain interval.
Engine Pages
Mack Engine Pages
12.8L Inline-6
MP8
EOS-4.5. 15W-40 CK-4 standard. 5W-30 FA-4 approved on 2017+ GHG17 engines. Anthem, Pinnacle, Granite.
View Spec → 10.8L Inline-6MP7
EOS-4.5. 15W-40 CK-4 standard viscosity across all production years.
View Spec → 16.1L Inline-6MP10
EOS-4.5. 15W-40 CK-4 standard. No FA-4 approval — highest-displacement Mack platform.
View Spec →
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