Oil; OnaMax SAE 15W-40; 32 Ounce Bottle

OnaMax ™ 15W-40 is factory tested to offer maximum protection. The OnaMax ™ engine oil is specially formulated to reduce consumption and engine wear due to high temperature oil oxidation and viscosity increase. All Onan Generators from the factory are shipped with OnaMax ™ 15W-40.
 
Factory Tested Maximum Protection Engine Oil
Formulated To Reduce Consumption And Engine Wear Due To High Temperature Due To Oil Oxidation And Viscosity Increase
Outstanding Wear Protection
Strong Shear Stability Provides Stay-In-Grade Performance
Limited 1 Year Warranty