OUR BRANDS
Turbine Engine Oils (TEO)

AeroShell Ascender
MIL-PRF-23699G Grade HTS SAE AS5780 Grade HPC
AeroShell Ascender
An outstanding high performance capability (HPC) oil for the latest high efficiency engines
- Reduced maintenance and operating costs and enhanced safety from
- Low coking propensity
- High thermal stability
- Outstanding oxidative stability
- Excellent elastomer compatibility
- First new formulation to be approved to the AS 5780A specification
Specification and approval
- SAE AS5780B HPC Grade
- MIL-PRF-23699F HTS Grade
- RR Trent 1000
- IAE V2500 Series
- Other approvals and flight evaluations pending

AeroShell Turbine Oil 560
MIL-PRF-23699G Grade STD SAE AS5780B GRADE SPC
AeroShell Turbine Oil 560
A proven third-generation high thermal stability oil for established engine technology
- Reduced maintenance and operating costs
- Low coking propensity*
- Full elastomer compatibility
- Improved load-carrying capacity
- Over 15 years of in-service experience
- Approved by almost all main engine manufacturers
Specification and approval
- MIL-PRF-23699F Grade HTS
- SAE AS5708B Grade SPC
- CFMI (GE&Snecma): All CFM56 engines
*Compared with other MIL-PRF-23699 STD grade oils

AeroShell Turbine Oil 500
MIL-PRF-23699G Grade STD SAE AS5780B Grade SPC
AeroShell Turbine Oil 500
The right choice for older and classic technology engines
- Reduced overhaul and repair time and costs through
- Improved engine cleanliness*
- Good load-carrying capacity
- Superior corision and oxidation stability
- Suitable for all civil and military engines requiring MIL-PRF-23699 specifications
Specification and approval
- MIL-PRF-23699 Standard
- SAE AS 5780 SPC
- DEF STAN 91-101 Grade OX-27
*Compared with other MIL-PRF-23699 STD grade oils

AeroShell Turbine Oil 2
MIL-PRF-6081E Grade 1010
AeroShell Turbine Oil 2
Reliability for Auxiliary Power Units (APUs)
- AeroShell Turbine Oil 2 is a 2mm²/s mineral turbine oil blended from mineral base stocks to which a pour-point depressant and an anti-oxidant have been added
- AeroShell Turbine Oil 2 is widely used for inhibiting fuel systems and fuel system components during storage
- AeroShell Turbine Oil 2 is an analogue to the Russian Grade MK-8 and can therefore be used in engines which require the use of MK-8
Specification and approval
- MIL-PRF-6081D Grade 1010
- OM-10

AeroShell Turbine Oil 3
AeroShell Turbine Oil 3
Reliability for Auxiliary Power Units (APUs)
- AeroShell Turbine Oil 3 is a 3mm²/s mineral turbine oil blended from mineral base stocks to which an anti-corrosion additive has been added
- AeroShell Turbine Oil 3 was developed for early pure jet engines and is still approved for some versions of these engines plus the Turbomeca Astazou, Artouste, Turmo, Bastan and Marbore engines
- AeroShell Turbine Oil 3 is the recommended alternative to AeroShell Fluid 1
Specification and approval
- Meets DEF STAN 91-99
- OM-11
- O-135

AeroShell Turbine Oil 555
DOD-PRF-85734A
AeroShell Turbine Oil 555
A high load-carrying capacity oil for turbine engines and transmissions
- Reduced maintenance costs and enhanced safety through
- Excellent wear protection
- High thermal stability
- High oxidation stability
- Approved by leading helicopter engine manufacturers, including Agusta, Bell Helicopter Textron, Boeing Vertol, Eurocopter, Mcdonnell Douglas, MBB, Sikorsky and Westland Helicopters
Specification and approval
- DOD-PRF-85734A
- DEF STAN 91-100

AeroShell Turbine Oil 750
AeroShell Turbine Oil 750
Reliability for Auxiliary Power Units (APUs)
- AeroShell Turbine Oil 750 was developed to meet the requirements of DERD 2487 (now DEF STAN 91-98) and to provide a high standard of lubrication in British civil gas turbines, particularly turbo-prop engines where a good load-carrying oil was required for the propeller reduction gearbox
- AeroShell Turbine Oil 750 is also approved by the Russian authorities as an analogue to MN-7.5u and for those Russian turbo-prop applications which require the use of mixtures of mineral turbine oil and aircraft piston engine oil
- AeroShell Turbine Oil 750 contains a synthetic ester oil and should not be used in contact with incompatible seal materials and it also affects some paints and plastics
Specification and approval
- DEF STAN 91-98
- OX-38

AeroShell Turbine Oil 390
AeroShell Turbine Oil 390
Reliability for Auxiliary Power Units (APUs)
- Reliable APU starting, especially in cold-soak conditions
- Lower maintenance cost from reduced component wear during APU startup
- Helps maximise ETOPS times
- Approved by a wide range of engine/APU manufacturers, including Hamilton-Sundstrand, Honeywell, Pratt & Whitney Canada, Rolls Royce and Turbomeca
Specification and approval
- DEF STAN 91-94 (British)
- IPM-10, VNII NP 50-1 4f and 4u, and 36Ku-A (Russian analogue)
- Joint Service Designation OX-7

AeroShell Turbine Oil 308
MIL-PRF-7808L Grade 3
AeroShell Turbine Oil 308
Reliability for Auxiliary Power Units (APUs)
- Reliable APU starting, especially in cold-soak conditions
- Lower maintenance cost from reduced component wear during APU startup
- Helps maximise ETOPS times
- Approved by a wide range of engine/APU manufacturers, including Hamilton-Sundstrand, Honeywell, Pratt & Whitney Canada, Rolls Royce and Turbomeca
Specification and approval
- MIL-PRF-7808L Grade 3
- NATO Cpde O-148
- Joint Service Designation OX-9