CASTROL Cyltech 40SX
Castrol Cyltech 40SX is a Marine diesel engine cylinder lubricant developed with a bespoke detergency system for operation at the higher temperatures and pressures in modern engines, which operate on fuels with Sulphur content of 0.0 – 1.5 %, and LNG.
Description
Castrol Cyltech 40SX – marine diesel engine cylinder lubricant
Castrol Cyltech 40SX is a high-performance marine diesel engine cylinder oil developed with a bespoke detergent-dispersant system for optimum cleanliness and deposit control.
It ensures reliable lubrication at higher operating temperatures and pressures, and is specially formulated for engines using low- or ultra-low sulphur fuels, including LNG.
🛢️ Applications
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Suitable for two-stroke marine diesel engines operating under high load and temperature conditions
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Recommended for ships using low sulphur fuels (0.0 – 1.5% S) or gas (LNG)
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Compatible with slow-speed crosshead engines and modern electronically controlled engines
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Designed to help manage cylinder liner wear and piston ring cleanliness
🌟 Advantages
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Excellent detergency and dispersancy for cleaner pistons and liners
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Reduces wear and corrosion under severe operating conditions
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Enhanced performance even with low sulphur fuels
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Provides improved deposit control and oil film stability
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Meets or exceeds major OEM specifications
🧾 Specifications and Approvals
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SAE Grade: 40
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Base Number (BN): 40
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Approved by major engine manufacturers including MAN ES and Wärtsilä
