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.
Viscosity Grade: SAE 15W-40
Type: Synthetic
Unit Size: 32 Ounce
Use: RV Generator Engines
Unit Type: Bottle