Shell Argina T 40 (2005)

 

Medium-speed trunk-piston diesel engine oil

 

Shell Argina T is a multifunctional crankcase lubricant for highly rated medium-speed diesel engines operating on
residual fuel. Argina T is designed for conditions of moderate oil stress.

Performance, Features & Benefits

 

  • Engine cleanliness

 

Has built a reputation over many years for very good engine cleanliness.

 

  • Rapid neutralisation of acidic combustion products

Gives long-term protection against corrosion of ferrous and non-ferrous metals.

 

  • Thermal stability and resistance to oxidation

 

Provides excellent high temperature deposit control and contributes to long oil life.

 

  • Suitability for centrifugal separators

 

High detergency/low dispersancy formulation releases contaminants and water readily in centrifugal separators.

 

  • Main Applications

 

Medium-speed industrial or marine propulsion and auxiliary engines, burning residual fuel oils, which create conditions of moderate oil stress. These conditions usually occur:

  • in engine designs more than 5 years old, or
  •  where oil consumption is 1g/kWh or more, or
  •  in newer designs where load factors are predominantly 85% or less, or
  •  where fuels with sulphur <3% are in use.

 

Marine engine reduction gears and certain other ship-board applications, where specialist lubricants are not required.

 

Medium-speed engines burning residual fuel need very specialised lubricants. Heavy fuels contaminate the oil with
asphaltenes, requiring special types of detergency to avoid sludges. The combustion of high sulphur fuels produces sulphur acids, which cause high wear rates of piston rings and cylinder  liners unless neutralised by a high basicity reserve in the oil.

 

 

The oil is in service for very long periods, so centrifugal separators are used to remove water and combustion contaminants from the oil. Medium-speed engine oils must be specially designed to release these contaminants in the separator.

 

Specifications, Approvals & Recommendations

 

Shell Argina T enjoys a comprehensive range of Original Equipment Manufacturers’ approvals through field experience over many years.

 

Meets the engine test criteria for API CF

 

For a full listing of equipment approvals and recommendations,
please consult your local Shell Technical Helpdesk.

 

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