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The Exxon HyJet range: A new look, with the same great quality!


It has been announced that the Exxon HyJet™ products will be re-branded to sit under the world-renowned Mobil™ umbrella. This includes the HyJet lubricant range, namely the Exxon HyJet™ V and Exxon HyJet™ IV-A plus.

Despite the re-branding and changes to the visual outer packaging, the formulations, industry/OEM approvals and performance quality will remain unchanged.

Changes to the products will be as follows;

  • Product names; Exxon HyJet V will be rebranded to Mobil HyJet V
  • Product labelling; Exxon HyJet IV-Aplus will be rebranded to Mobil HyJet IV-Aplus
  • Product packaging; changes will apply to all styles including quarts, gallons, cartons & drums  
  • Where applicable, updates are being made to ensure compliance with labelling requirements under the Global Harmonized System (GHS) and the U.S. Occupational Safety and Health Administration (OSHA)
  • The re-brand will consist of a transition over time to circulate the new look. Products with the existing packaging designs will continue to be distributed to work through remaining product inventories.

Heritage & Integrity

For more than 100 years, Mobil have been a trusted partner around the world. Aviators and engineers have relied on mobil's expertise to push the boundaries of flight. Mobil Aviation fuels and lubricants products have been chosen for some of history’s most celebrated aircraft and space programs.

When you purchase Mobil aviation lubricants, you can rely on trusted, proven performance – backed by unwavering focus on operational excellence and more than a century of innovation and technology leadership. Mobil's refineries, combined with a network of proprietary lubricant blending and packaging facilities, provide one of the most comprehensive supply chains in the industry.

Click here to view the full range of Mobil products available from Silmid. 

Mobil Grease

Mobil offers a complete range of multipurpose airframe and wheel bearing greases. With the aviation industry’s longest shelf life, designed to help aircraft operators minimize waste and reduce inventory carrying costs. Mobil greases can help protect against wear and corrosion, endure adverse weather conditions and provide excellent performance in extreme temperatures.

Product Spotlight

Mobil grease 28

Mobil grease 28 is a supreme performance, wide-temperature,anti-wear grease. The clay thickener gives Mobil grease 28 a high dropping point value of around 300C,which provides excellent stability at high temperatures. 

Mobil grease 28 resists water washing, provides superior load-carrying ability, reduces frictional drag, and prevents excessive wear.Mobil grease 28 is a supreme performance, wide-temperature,designed to combine the unique features of a polyalphaolefin (PAO) synthetic base fluid with an organo-clay (non-soap) thickener.

Features of Grease 28:

  • Low volatility
  • Wide temperature range operability
  • Excellent protection against rust and corrosion
  • Low friction and wear
  • Excellent stability and oxidation resistance
  • Outstanding resistance to water washing
  • Gears, actuators, jack screws
  • Helicopter rotor bearings
  • General airframe (splines, slats, stabilizers, elevators)
  • Landing gear assemblies
  • Flight controls
  • Aircraft wheel bearings 


Mobil Jet™ oils

Mobil Jet™ oils help deliver unparalleled performance to more than 11,000 engines and are designed to meet today and tomorrow's aviation challenges. Mobil Jet oils are suitable for a wide range of turbine applications in both commercial and military aviation. They are also suitable for aircraft-type gas turbine engines used in industrial or marine applications. 

Product Spotlight

Mobil Jet™ Oil 387

Made from a specially prepared, ester base stock, Mobil Jet Oil-387 is fortified with a unique chemical additive package. The resulting lubricant has superior thermal and oxidation stability that resists deterioration and deposit formation. The physical properties of Mobil Jet Oil-387 conform to required builder and military specifications.

Mobil Jet Oil-387 shows excellent performance controlling deposits typically experienced in both the liquid and vapor phases in bearing compartments, oil supply lines, and breather/scavenger lines. These properties have been confirmed in various laboratory tests, including the Corrosion-Oxidation Stability Test, Alcor Deposition Test, Vapor Phase Coker, Erdco High-Temperature Bearing Test, Ryder Gear, and the Mobil Thin Film Oxidation Test.

Features of Oil-387:

  • Long-duration fluorocarbon compatibility
  • Outstanding oil life characteristics, such as bulk oil
  • stability, viscosity and TAN control
  • Very low vapor/mist and thin film deposition
  • resistance
  • Good low temperature fluidity