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Mobilgard™ 570

Diesel Engine Cylinder Oil

Product Description

Mobilgard™ 570 by ExxonMobil is a premium quality, extra high performance, marine diesel engine cylinder oil. The outstanding performance of Mobilgard 570 has been demonstrated at the elevated peak firing pressures and liner temperatures found in modern marine two stroke engines. It has an optimum viscosity of over 20 cSt. at 100ºC and low volatility to ensure excellent lubricant distribution and oil film retention. Through the use of unique synthetic thickener technology and a balanced formulation, the high viscosity and low volatility is attained with little or no use of bright stock which can create deposit formation due to poor thermal stability. Mobilgard 570 has demonstrated outstanding ring and liner protection and cleanliness under sustained operation with fuel sulphur levels down to 1.5%.


Features and Benefits




Specifications and Approvals

Meets OEM requirements 
MAN Diesel and TurboX

*Please follow all OEM guidelines for feed rate and fuel sulfur use


Typical Properties

SAE Grade50
Specific Gravity at 15ºC0.937
Flash Point, ºC, ASTM D 92256
Pour Point, ºC, ASTM D 97-9
Viscosity, ASTM D 445 
cSt, at 40 ºC222
cSt, at 100 ºC20
Viscosity Index, ASTM D 2270104
TBN, mg KOH/g, ASTM D 289670


Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application, following the recommendations provided in the Material Safety Data Sheet (MSDS). MSDSs are available upon request through your sales contract office, or via the Internet on This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.

The ExxonMobil logotype and Mobilgard are trademarks of Exxon Mobil Corporation, or one of its subsidiaries. 


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