May 04, 2020 - 04:48 AM
Factory recommended and tested. Maximum protection engine oil formulated to reduce consumption and engine wear due to high-temperature oil oxidation and viscosity increase. Each 32 oz. bottle can be used on diesel or gas generators. This is the only oil targeted to the RV industry to work on either a diesel or gas engine. All others only work on one or the other.
15W-40 #326-5336 (preferred oil for diesel engines)