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ExxonMobil Aviation Greases and Gear Lubricants: A Procurement Guide for Government and Military Fleets
This article is part of Greenwood Aerospace’s ongoing series on ExxonMobil aviation lubricants, designed to help procurement professionals, maintenance crews, and fleet managers identify the right products for their specific mission profiles. Make sure to read related articles in the series, including “Mobil Grease 28: Synthetic Aircraft Grease,” “Mobil Grease 33: All-Temperature Aircraft Grease,” and “Mobil AGL Gear Lubricant: Synthetic Helicopter Gear Oil.”
Greases are among the most critical consumables on modern aircraft. Without sufficient grease or the wrong type of grease, the landing gear loses efficiency and, at worst, may fail to retract. ExxonMobil is a world leader in aviation greases and gear lubricants, the things that make or break a jet.
Greenwood Aerospace has long been your preferred procurement partner for federal agencies and military operations, sourcing consumables such as oils, greases, and lubricants, as well as major components such as Lycoming piston engines.
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Why ExxonMobil is the Trusted Name in Aviation Lubricants
ExxonMobil has long set a high standard in aviation lubrication technology and research. Their synthetic greases and gear oils are rigorously tested to withstand and thrive in the most extreme environments worldwide. After all, the last thing you need to think about after taking off from Elmendorf AFB in February is the condition of your grease. In fact, that is the last thing on the mind of most pilots and maintainers.
A product is great when it works under any conditions and stays out of sight and out of mind. Their products deliver thermal stability, corrosion resistance, and long-term wear protection. ExxonMobil lubricants are designed to meet the most stringent certifications, including MIL-SPEC and OEM specifications such as MIL-PRF-81322 and MIL-PRF-23827.
They perform great under high loads, low temperatures, and in a wide range of operating conditions.
What You'll Find in the ExxonMobil Aviation Grease and Gear Oil Range
Picking the Right Grease and Gear Oil for Your Aircraft
How do you choose the right grease for your fleet when there are so many different options to choose from?
Choosing the right lubricant for the right aircraft system can make all the difference in mission readiness and extending your aircraft's service life. For example, greases such as Mobil Grease 28 are designed to withstand the heat and stress of high-friction, high-speed bearing applications. At the same time, gear oils such as Mobil AGL are designed for use in enclosed gearboxes and transmissions.
We took a closer look at this balance in our in-depth article “Mobil Grease 28 vs. AGL: Finding the right Grease and Gear Oil for Your Aircraft’s Needs,” where we compare how these two lubricants work together across key aircraft systems like landing gear, actuators, and main rotor gearboxes. Knowing the difference between these lubricants will help you achieve maximum reliability while keeping your aircraft compliant with all required OEM and Military specifications.
Mobil Grease 28: The Lowdown on Synthetic Aircraft Grease
Made for aircraft that specify a synthetic grease, Mobil Grease 28 is widely used in both military and civilian circles. Designed for use in both plain and rolling bearings, splines, worm gears, and screws, especially where speed or high temperatures are common, the synthetic base provides protection from -65°F to +350°F, ensuring smooth operation in all climates.
Mobil Grease 33: High-Performance In Any Weather Conditions
Mobil Grease 33 is a versatile grease that holds up well even when temperatures go way down (-100°F) all the way up (250°F), and that makes it one of the best when it comes to aviation maintenance. It's used all over in flight control systems, actuator bearings, and general airframe lubrication on both commercial and military jets.
Formulated with a blend of synthetic hydrocarbon base & lithium complex thickener Mobil Grease 33 offers excellent anti-corrosion protection, superior wear resistance, and can even last longer between lubrications. It's nice to use in very cold environments without losing any load-carrying power.
This material meets the military standard MIL-PRF-23827C & the NATO Spec G-354, guaranteeing it will interoperate seamlessly with all other equipment.
You can look forward to our article on it coming soon, "Mobil Grease 33: all temp aircraft grease" - a deep dive on what it can do and how it stacks up against other aviation greases.
Mobil AGL: Top Choice for Helicopter Gear Oils
Mobil AGL is specifically designed for helicopter main and tail rotor transmissions, where constant high loads and high temperatures require superior film protection. These need higher strength and oxidation stability. The synthetic ester base fluid resists foaming and gives you stable performance even under severe shear and aeration conditions.
AGL’s formulation gives excellent anti-wear protection, corrosion inhibition, and resists sludge formation. It meets DOD-PRF-85734A and NATO O-160 specifications, making it compatible with most military and commercial rotorcraft platforms.
The Greenwood Aerospace Advantage: Your Partner in Aviation
Greenwood Aerospace is a Native American-owned, HUBZone-certified small business located in the Heart of America. We take great pride in serving federal and DoD buyers with outstanding customer service and fast fulfillment.
Our expertise in consumable materials, spare parts, components, and even aircraft procurement exists to make your job easier. We carry hundreds of products on GSA Advantage, which provides you with greater flexibility to stock your storage lockers with the products you need.
How to Get Your Hands On ExxonMobil Aviation Greases and Gear Lubricants
Get the ExxonMobil greases and gear oils you need with a click. Check out the listings above or contact us directly at gsasales@greenwood.aero or 833-GSA-EBUY (833-472-3289). If you need bulk or expedited shipping, we can arrange that for you as well. We've also covered all the relevant government contracts, including GSA, DoD, FAA, and NASA.
The Bottom Line
Greenwood Aerospace is proud to offer ExxonMobil products for your government maintenance team. We support readiness by sourcing and selling ExxonMobil oils and lubricants to you with as little hassle as possible. That is why we are on the GSA Schedule and have nearly one thousand items available for rapid purchase and distribution, with many more on the way.
When second-best isn’t good enough, look for the products you need on GSA Advantage from Greenwood Aerospace. You can check out all of the ExxonMobil greases and gear lubricants right here on GSA Advantage:
This guide is part of Greenwood Aerospace’s comprehensive ExxonMobil lubrication series. Each article in the series is designed to help aviation maintenance and procurement teams make informed buying decisions through verified GSA Advantage listings. For additional resources, explore our related posts on Mobil Grease 28, Mobil Grease 33, and Mobil AGL Gear Lubricant, or contact Greenwood Aerospace directly for assistance with GSA orders or bulk pricing.
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