Shell Argina T 40 (2005) is a 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.
Has built a reputation over many years for very good engine cleanliness.
Gives long-term protection against corrosion of ferrous and non-ferrous metals.
Provides excellent high temperature deposit control and contributes to long oil life.
High detergency/low dispersancy formulation releases contaminants and water readily in centrifugal separators.
Medium-speed industrial or marine propulsion and auxiliary engines, burning residual fuel oils, which create conditions of moderate oil stress. These conditions usually occur:
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.
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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