Grade 120 Ashless for Normal Operation
Aviation Grade 120 Oils (equivalent in viscosity and thus synonymous with SAE 60 oils) are often intended for use in radial piston aircraft engines that are calling for Commercial Grade 120 engine oil or SAE 60 aviation oil.
Formulated from the finest base stocks of petroleum and formulated to protect against wear, Petroleum Service Company provides Phillips 66 Type A Aviation Oil 120AD – this oil contributes to engine cleanliness and greatly protects internal engine components from wear, due to its high viscosity. This oil may not be ideal for use in cold weather.
Straight Grade 120, Normal Operation Aviation Engine Oil fulfills the following:
U.S. Military Specification MIL-L-22851D (obsolete) for additive treatment, SAE Standard J1899, Avco Lycoming Material Specification No. 301G, Pratt & Whitney Service Bulletin No. 1183 Rev. U, Teledyne Continental Material Specification MHS-24B.
QPL Approval Numbers: D07L1-60 (Type A 120AD).
If you have any questions, please call us at 1-855-899-7467.