Shell Argina S4 40
Lubricants for medium-speed trunk piston engines
Shell Argina S4 40 is a multifunctional crankcase lubricant for highly rated medium-speed diesel engines operating on residual fuel. Shell Argina S4 40 has a BN of 40 and is designed for conditions of high oil stress. In addition Shell Argina S4 40 has been optimized to improve deposit control
Performance, Features & Benefits
- Extended oil life
- Engine protection
- System efficiency
Shell Argina S4 40 can be used to top up engines already running on any other member of the Argina family, giving immediate control of BN without the need for an oil change.
Main Applications
Medium-speed industrial or marine propulsion and auxiliary engines, burning residual fuel oils, which create conditions of high oil stress. These conditions usually occur:
- In newer engine designs, less than 10 years old and/or fitted with flame rings.
- Where oil consumption is 0.5 – 1 g/kWh
- Where load factors are >85%
- Where fuels with sulphur >2% are in use
Shell Argina S4 40 can also be used in marine engine reduction gears and certain other ship-board applications, where specialist lubricants are not required.
Advice on applications not covered in this leaflet may be obtained from your Shell Representative
Shell Argina S4 40 is approved by Wartsila and MAN Energy Solutions.
