AMSOIL 100% SYNTHETIC EP #00 GREASE

AMSOIL 100% SYNTHETIC EP #00 GREASE

Product Code Package Size Unit of Measure
GSF35-EA 35 lb. Pail Each
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AMSOIL Synthetic EP #00 Grease delivers heavy-duty protection for grease-filled gearboxes, wheel hubs, and centralized lubrication systems where conventional greases fall short on longevity and film strength. Built on a high-viscosity ISO 460 synthetic base oil with calcium sulfonate thickener, it handles the punishment of commercial, agricultural, and fleet equipment without breaking down.

Grease-filled gearboxes and enclosed drive systems present a unique lubrication challenge. Leaky housings, shock loads from uneven terrain, and wide temperature swings can overwhelm standard greases, leaving components vulnerable to metal-to-metal contact. Equipment that runs in remote locations or on tight service schedules needs a grease that stays in place, pumps reliably in cold weather, and maintains its protective film under extreme pressure.

SHOCK-LOAD PROTECTION THAT HOLDS UP
Rotary mower gearboxes, combine headers, cotton picker spindles, and crusher drives all experience sudden, intense loading that can rupture the oil film of conventional greases. AMSOIL Synthetic EP Grease posts a Four-Ball EP Weld Load of 250 kg in ASTM D2596 testing, meaning it resists welding under high-pressure contact far beyond what standard NLGI #00 greases can handle. Four-Ball Wear testing (ASTM D2266) returns a scar diameter of just 0.46 mm, confirming that even under sustained contact, component surfaces stay protected.

EXTREME TEMPERATURE RANGE WITHOUT COMPROMISE
This grease operates across a service range of -40°F to 350°F. At low temperatures, it maintains pumpability for centralized lubrication systems that need to function reliably in freezing conditions. At the top end, a dropping point above 397°F (ASTM D2265) means the grease structure holds together in high-heat gearboxes, kiln car wheel bearings, and other thermally demanding applications. That range covers everything from winter trucking operations to summer agricultural work without switching products.

CORROSION AND OXIDATION RESISTANCE
Water intrusion and corrosion are constant threats in exposed agricultural equipment, underground mine gear systems, and industrial bottle washers. AMSOIL Synthetic EP Grease passes ASTM D1743 corrosion prevention testing, and its calcium sulfonate thickener provides inherent rust protection beyond what lithium-based greases typically offer. The synthetic base oil resists oxidation over extended service intervals, which matters in applications where regreasing is difficult or infrequent.

LOWER FRICTION, LOWER ENERGY CONSUMPTION
A low coefficient of friction reduces the energy required to drive grease-lubricated components. In conveyor drive gearboxes, escalator slide rails, and pneumatic tools, that translates directly to lower operating costs and reduced heat generation. Less friction also means less thermal degradation of the grease itself, extending its useful life in the application.

BUILT FOR COMMERCIAL AND FLEET APPLICATIONS
AMSOIL Synthetic EP Grease is the primary type of grease recommended for truck wheel hubs as outlined in RP 631B, issued by The Technical and Maintenance Council of the American Trucking Association. It suits truck trailer bearings, steering axles, steering gears, and mobile drilling equipment. For fleet maintenance managers running centralized lubrication systems, its reliable low-temperature pumpability and long service life reduce both downtime and grease consumption.

SPECIFICATIONS AND COMPATIBILITY
AMSOIL Synthetic EP Grease is an NLGI #00 grade grease with a calcium sulfonate thickener and ISO 460 synthetic base oil. It is compatible with many other grease types, but when switching from a previous grease, AMSOIL recommends cleaning the old grease from the equipment when possible or flushing with a liberal amount of AMSOIL Synthetic EP Grease while the mechanism is in operation. Monitor the system closely after any grease changeover.

Property Value Test Method
NLGI Grade 00
Thickener Calcium Sulfonate
Penetration, Worked 60 Strokes 410 ASTM D217
Dropping Point, °C (°F) > 282 (> 397) ASTM D2265
Base Oil Viscosity at 40°C, cSt 460
Corrosion Prevention PASS ASTM D1743
Four-Ball EP Weld Load, kg 250 ASTM D2596
Four-Ball Wear, mm 0.46 ASTM D2266
Color Tan
Texture Smooth
Typical Service Range, °C (°F) -40 (-40) to 177 (350)

FAQs

What equipment and applications is AMSOIL Synthetic EP #00 Grease designed for?

AMSOIL Synthetic EP #00 Grease (GSF35-EA) is designed primarily for grease-filled gearboxes and difficult-to-service applications in commercial and fleet markets. It is suitable for a wide range of equipment types including auto/light truck, motorcycle, ATV, UTV, snowmobile, marine outboard, PWC, heavy-duty on-road, heavy-duty off-road, and agriculture applications. It helps solve problems associated with leaky gearboxes where conventional greases do not provide adequate lubricant life or protection.

How does AMSOIL Synthetic EP #00 Grease protect equipment under heavy shock loads?

AMSOIL Synthetic EP #00 Grease is formulated to deliver reduced wear under shock-load conditions, providing extreme-pressure (EP) protection for components subjected to sudden, heavy forces. It also features a low coefficient of friction, which helps reduce energy consumption while maintaining a strong protective barrier. Additionally, its outstanding corrosion protection and oxidation resistance help extend component life in demanding operating environments.

What does the #00 NLGI grade mean for AMSOIL Synthetic EP #00 Grease?

The #00 in the product name refers to the NLGI (National Lubricating Grease Institute) consistency grade, which indicates a semi-fluid grease. This softer consistency makes AMSOIL Synthetic EP #00 Grease ideal for use in enclosed gearboxes and centralized lubrication systems where the grease must flow easily and fill cases completely. Its semi-fluid nature also contributes to its great low-temperature pumpability, allowing it to perform effectively in cold conditions.

How does AMSOIL Synthetic EP #00 Grease compare to conventional greases in gearbox applications?

AMSOIL Synthetic EP #00 Grease is specifically designed to outperform conventional greases in grease-filled gearboxes and difficult-to-service applications. Unlike conventional greases that may not provide adequate lubricant life or protection in these settings, AMSOIL's synthetic formulation delivers excellent extreme-temperature performance, superior oxidation resistance, and reduced wear under shock-load conditions. Its low coefficient of friction also helps reduce energy consumption compared to conventional alternatives.

How does AMSOIL Synthetic EP #00 Grease perform in extreme hot and cold temperatures?

AMSOIL Synthetic EP #00 Grease is engineered to excel in extreme temperatures at both ends of the spectrum. It provides great low-temperature pumpability, ensuring the grease flows and reaches critical components even in cold conditions. It also resists oxidation at high temperatures, which helps maintain grease integrity and extend service life in demanding thermal environments. This broad temperature capability makes it suitable for equipment operating across diverse climates and seasonal conditions.

Is AMSOIL Synthetic EP #00 Grease safe for use in enclosed gearboxes and centralized lubrication systems?

Yes, AMSOIL Synthetic EP #00 Grease is specifically designed for use in grease-filled gearbox cases and difficult-to-service applications in commercial and fleet markets. Its #00 NLGI semi-fluid consistency provides excellent pumpability, making it well-suited for centralized lubrication systems. Its outstanding corrosion protection also helps safeguard internal metal surfaces in enclosed gearboxes from rust and degradation over extended service periods.

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