- Stationary gas engines
SAE 40
Low-ash, extended-drain oil for natural gas engines
ViscositySAE
Recommended for
Same grade SAE 40 · Heavy-duty diesel
Same grade SAE 40 · Stationary gas engines
Same grade SAE 40 · Locomotives
Same grade SAE 40 · Medium-speed marine
Business customers only. We sell wholesale, invoiced to registered companies.
MAN M 3271-2 — biogas engine oil
MAN 3271 variant for biogas or landfill-gas engines, where the oil neutralises acids from gas impurities.
MAN M 3271-5 — gas engine oil
The most recent level in the MAN 3271 series for stationary gas engine oils.
MTU Series 4000 gas engines — natural gas/biogas oil recommendation
MTU's oil recommendation for its Series 4000 gas engines running on natural gas or biogas.
MWM TR 0199-99-2105 — gas engine oil
MWM technical requirement for oils in its own stationary gas engines, with controlled ash to protect the valves.
Derived from the vehicle makers' approvals this product meets. Check the specification your vehicle's manual requires.
| Property | Typical value | Method |
|---|---|---|
| SAE viscosity grade | 40 | |
| Kinematic viscosity @40°Cmm2/s | 135 | Astm D445 |
| Kinematic viscosity @100°Cmm2/s | 13.5 | Astm D445 |
| Density @15°Ckg/m3 | 890 | Astm D4052 |
| Flash point, closed cup°C | 230 | Astm D93A |
| Pour point°C | -18 | ISO 3016 |
| BNmg KOH/g | 4.5 | Astm D2896 |
| Sulphated ash%wt | 0.48 | ISO 3987 |
| Phosphorusppm | 300 | Astm D4047 |

Long-life, low-ash gas engine oil. Shell Mysella S5 N is a high-performance oil, highly regarded for use in four-stroke, spark-ignition gas engines that require a "low ash" oil. Shell Mysella S5 N meets the needs of the new generation of stationary gas engines designed to comply with emerging legislation limiting NOx emissions, as well as those using the latest "lean" or "clean" burn technology. Shell Mysella S5 N has been specially developed to deliver extended oil drain intervals in those natural gas engines where oil life is an operational limiting factor.
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