Mobilgard™ 525 cylinder oil

Related product

MobilGard™ advantages

MobilGard™ is the flagship of marine engine oils from ExxonMobil. It is supported by over 60 years of engineering excellence and lubrication technology.

Learn more

Data sheets

Product Information

Technical resources

Storage and Handling | Marine Lubricants | ExxonMobil Marine

Learn more about best practices for handling, storing and dispending ExxonMobil marine lubricants.

marine news and resources, PDF

ExxonMobil launches ECA Insight video series | ExxonMobil marine

ExxonMobil launched its ECA Insight video series to help operators understand the complex changes resulting of recent and impending environmental regulation.

ExxonMobil Voyager newsletter,marine news and resources

  • 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

Applications

  • Marine crosshead engines designed for increased power and fuel efficiency
  • Earlier engine designs and engines in slow speed steaming operation

Specifications and Approvals

Mobilgard 525 has the following builder approvals
WinGD

X

** Please refer to latest service bulletins from 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.

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

Featured resources

  • heartbeat with a boat shape

    Mobil Serv℠ Cylinder Condition Monitoring

    Mobil Serv Cylinder Condition Monitoring acts as a heart rate monitor for your fleet, providing instant oil analysis results at sea to help reduce costs, crew hours and downtime.

    Learn more
  • fleet of boats and sunset

    Beyond 2020

    In ‘Beyond 2020,’ a new series of in-depth podcasts, ExxonMobil and maritime experts discuss the likely impacts of the International Maritime Organization’s (IMO) changing emission regulations.

    Listen now
  • EMF 5 marine fuels

    EMF.5™ Engineered Marine Fuels

    Read how ExxonMobil’s EMF.5™ marine fuels comply with the IMO 0.50% sulphur cap without compromising quality.

    Learn more
  • Faith containership ship in harbor

    Lubricants port directory

    Use the lubricants ports and services directory to view our offer.

    Learn more