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Mobilgard™ 525 cylinder oil

MobilgardY_525-01
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Product Information
Technical resources
Guidelines for switchover to ExxonMobil marine lubricants
Learn about five different circumstances related to switching and mixing ExxonMobil marine lubricants.
Features and Benefits
  • Combats the deposits and scuffing related engine wear associated with low sulphur fuels
  • Excellent thermal and oxidative stability to ensure performance in a variety of engine conditions
  • Formulated with detergent technology required to deliver excellent performance with low-sulphur fuel
  • Detergency system provides strong control of piston groove deposits which is a critical area for distillate fuel operation
Specifications and Approvals
Mobilgard 525 has the following builder approvals  
MAN Diesel X
Wartsila X

** Please refer to latest service bulletins from MAN Diesel & Turbo and Wartsila Switzerland for lubrication requirements.

To ensure achieving the maximum equipment life possible as well as appropriate feedrates, particular attention should be paid to the manufacturer's special recommendations as published in the references as above or any other future manufacturer’s instructions.

Applications
  • Marine crosshead engines designed for increased power and fuel efficiency
  • Earlier engine designs and engines in slow speed steaming operation
Typical Properties
SAE Grade 50
Specific Gravity at 15ºC 0.909
Flash Point, ºC, ASTM D 92 286
Pour Point, ºC, ASTM D 97 -9
cSt, at 40ºC 226
cSt, at 100ºC 20
Viscosity Index, ASTM D 2270 102
TBN, mg KOH/g, ASTM D 2896 25
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Equipment builders
  • MAN
  • Wartsila
Industry Sectors
  • deep sea shipping industry
Mobilgard™ 300 C system oil
Mobilgard™ 300 C is a next-generation system oil specially engineered to help improve cleanliness in two-stroke crosshead diesel engines. Its balanced formulation combats deposits and sludge ...
Mobilgard™ 570 cylinder oil
Mobilgard™ 570 cylinder oil is designed to optimise the performance of two-stroke marine diesel engines operating on heavy fuel oil with a sulphur content of up to 3.5 per cent. It can help improve ...
Mobilgard™ 5100 cylinder oil
Mobilgard™ 5100 advanced cylinder oil is designed for two-stroke marine diesel engines operating on heavy fuel oil. It is engineered to help prevent cold corrosion – and reduce maintenance and ...
Mobilgard™ 540 cylinder oil
Mobilgard™ 540 cylinder oil provides optimal protection for two-stroke marine diesel engines operating on 0.50% sulphur fuels that comply with the International Maritime Organization’s (IMO) 2020 ...