
AeroShell Fluid S.8350
AeroShell Fluid S.8350 is an SAE 90 extreme pressure gearbox oil, formulated for robust lubrication and protection in demanding applications, ensuring reliable performance and durability.
Specifications & approvals
| Country / OEM | Specification |
|---|---|
| British | DTD.900/4981A (obsolete) |
| Joint Service Designation | OEP-215 |
The TDS and MSDS are in English, but you can find these documents for other countries in the Shell EPC area.
Applications
AeroShell Fluid S.8350 is used for helicopter rotor gears, drive-shafts and pitch control mechanisms and wherever high loads and slow speeds in gears require the use of a 90 EP gear oil. AeroShell Fluid S.8350 is approved for use in various Westland helicopter gearboxes.
AeroShell Fluid S.8350 must not be used in engines.
Health, Safety and Environment
Health and Safety
- This product is unlikely to present any significant health or safety hazard when properly used in the recommended application and good standards of personal hygiene are maintained.
- Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
- Guidance on Health and Safety is available on the appropriate Safety Data Sheet, which can be obtained from https://www.epc.shell.com.
Protect the Environment
- Take used oil to an authorised collection point. Do not discharge into drains, soil or water.
Additional information
Advice
- Advice on applications not covered here may be obtained from your Shell representative.
Typical Physical Characteristics
These characteristics are typical of current production. Whilst future production will conform to Shell's specification, variations in these characteristics may occur.





