The straight mineral AeroShell Oils 65, 80, 100, and 120 offer protection for a wide variety of ambient take-off temperatures. With their specially blended high-viscosity index base oils, they provide more effective protection to engine components compared to conventional mineral oils, ensuring your aircraft performs reliably between scheduled overhauls.
AeroShell Oils 65, 80, 100, and 120 should be used for breaking in new and recently overhauled aviation piston engines. They’re also approved for all aviation piston engines of civil aircraft when oils containing dispersant additives aren’t required.
Learn more about the benefits of these straight mineral AeroShell oils, as well as their specifications and approvals, health and safety information, and more.
How to use AeroShell Oils 65, 80, 100, and 120
Each of the numbers of these AeroShell oils represent their viscosity grades, which correspond with the viscosity of the oil at 210°F in Saybolt Universal Seconds.
The relevant grades are approved for use in 4-stroke (4-cycle) certified aircraft and their piston engines, except for Porsche. They’re also approved for other aircraft radial engines that use oil to specification SAE J1966 (MIL-L-6082) and don’t need oils that contain a dispersant additive.
For AeroShell Oils 65, 80, 100, and 120, their main use is during the break-in of new or recently overhauled four-stroke aviation piston engines. However, the lubrication recommendations and duration of break-ins vary depending on the engine, so check with the original engine manufacturer or overhaul facility what their specific recommendations are.
Straight grade engine oils
AeroShell Oils 65, 80, 100, and 120 are straight mineral oils blended from selected high-viscosity index base oils. These oils do not contain any additives except for very small amounts of pour point depressant (which aids to improve fluidity at very low temperatures) and an anti-oxidant.
The above oils are approved for all aviation piston engines of civil aircraft when the use of an oil not containing a dispersant additive is required. However, they should also be used during the break-in of a new aviation piston engine or those recently overhauled.
AeroShell Oils 65, 80, 100, and 120 are produced to meet fully the SAE specification J1966 (Grades SAE 30, 40, 50 and 60 respectively).
AeroShell Oils 65, 80, 100, and 120 product benefits
- High-viscosity index base oils used in AeroShell oils maintain their viscosity and protect engine components more effectively under the high shear stresses that an engine places on lubricants.
- Approved for all reciprocating engines of civil aircraft used for running-in operations or older generation engines requiring non-additive type engine oils (refer to manufacturer recommendations).
- Provides compatibility with other approved aircraft piston engine oils. Since AeroShell Oils 65, 80, 100, and 120 are fully approved to SAE J1966 and are listed on the relevant Qualified Products List (QPL), elaborate precautions are not needed when changing from similarly approved aircraft engine oils, as long as these oils are qualified products.
- AeroShell oils are inherently stable in storage. Providing that they have been stored and handled correctly, prolonged storage does not have any effect on their quality, properties or performance.
AeroShell oils 65, 80, 100, and 120 specifications and approvals
- US – Approved J1966 SAE grade 30 (AeroShell Oil 65), Approved J1966 SAE grade 40 (AeroShell Oil 80), Approved J1966 SAE grade 50 (AeroShell Oil 100), Approved J1966 SAE grade 60 (AeroShell Oil 120). Note that SAE J-1996 replaces MIL-L-6082E.
- UK – Approved J1966 SAE grade 40 (AeroShell Oil 80), Approved J1966 SAE grade 50 (AeroShell 100).
- Russian – MS-14 (AeroShell Oil 80), MS-20 (AeroShell Oil 100).
- Joint Service Designation – OM-170 (AeroShell Oil 80), OM-270 (AeroShell Oil 100).
Typical properties of AeroShell Oils 65, 80, 100, and 120
Here are some of the typical properties of AeroShell Oils 65, 80, 100, and 120. Find out more about the properties of these piston engine oils in the AeroShell Book.
- SAE viscosity grade – 30 (AeroShell Oil 65), 40 (AeroShell Oil 80), 50 (AeroShell Oil 100), 60 (AeroShell Oil 120).
- Viscosity index – Greater than 94 (AeroShell Oils 65 and 100), Greater than 95 (AeroShell Oil 80) Greater than 96 (AeroShell Oil 120).
- Total acidity – Less than 0.1mgKOH/g for all four AeroShell piston engine oils.
- Copper corrosion at 100°C – Passes for all four AeroShell piston engine oils.
- Ash content – Less than 0.005%m for all four AeroShell piston engine oils.
AeroShell 65, 80, 100, and 120 health and safety information
AeroShell Oil 65, 80, 100, and 120 are unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of industrial and personal hygiene are maintained.
For further guidance on Product Health & Safety refer to the appropriate Safety Data Sheet.
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