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Synthetic Gear Lubes
Provide the long-lasting protection, fuel efficiency and dependability needed for top
performance, even in extreme-pressure conditions. Stay fluid in cold temperatures for easy
cold-weather shifting.
Excellent for use in passenger cars and trucks requiring a GL-5 gear lube, including
those with limited slip differentials. Racers and truckers use them, and they will work
miracles in your manual transmission or differential. Product Codes: AGR,
AGL, AGO |
SAE 75W-90 SYNTHETIC GEAR LUBE: GL-2 though GL-5, MT-1. Product Code: AGR
SAE 80W-90 SYNTHETIC GEAR LUBE: GL-2 through GL-5, MT-1. Product Code: AGL
SAE 85W-140 SYNTHETIC GEAR LUBE: GL-2 through GL-5, MT-1. Product Code: AGO
- MIL-L-2105E
- AUTO SPEC GL-4 AND GL-5
- API MT-1
- MACK GO-J , GO-J PLUS
PRODUCT DESCRIPTION
AMSOIL Synthetic Gear Lubes are extreme pressure lubricants engineered specifically to
meet the high temperature/high load demands of today's geared equipment. AMSOIL Synthetic
Gear Lubes, unlike conventional lubricants, don't break down in extreme heat and form
damaging deposits, varnish and sludge. AMSOIL Synthetic Gear Lubes maintain their
protective capability even in thermally stressed conditions, preventing the ridging,
rippling and spalling caused by surface distress. In addition, the superior lubricity of
AMSOIL Synthetic Gear Lubes improves fuel economy and provides limited slip capability.
Resist Oxidation and Thermal Breakdown
AMSOIL Synthetic Gear Lubes resist the damaging effects of heat and oxidation at
temperatures much higher than conventional gear lubes can resist. AMSOIL Synthetic Gear
Lubes inhibit the formation of acids and will not thicken or develop sludge, even under
severe operating temperatures such as those encountered in heavy hauling and fleet
operation.
Reduce Friction
AMSOIL Synthetic Gear Lubes have an extremely low coefficient of friction due to its
synthetic construction. With reduced friction, excessive operating temperatures in
transmissions and differentials are reduced by 20°F to 50°F. By controlling friction,
AMSOIL Synthetic Gear Lubes reduce component wear, resist thermal degradation and improve
fuel economy up to five percent.
Provide Low Temperature Protection
AMSOIL Synthetic Gear Lubes remain fluid at extremely low temperatures to provide
instant lubrication to components during start-up. In low temperatures, conventional gear
lubricants thicken to make shifting difficult. AMSOIL Synthetic Gear lubes resist low
temperature thickening to provide superior component protection, smoother shifting and
increased fuel economy.
Protect Against Rust and Corrosion
Moisture penetration can cause the rusting of gears and bearings. AMSOIL Synthetic Gear
Lubes coat components with a durable, protective film to prevent the formation of harmful
rust or corrosion.
High Load Carrying Capacity
AMSOIL Synthetic Gear Lubes have excellent load carrying capabilities to protect gear
surfaces in high load and speed conditions. They maintain their viscosity when exposed to
the extreme shearing forces of hypoid differentials. AMSOIL Synthetic Gear Lubes provide
an extra margin of protection that effectively increases gear life.
Proved Seal Compatibility
AMSOIL Synthetic Gear Lubes increase seal life and reduce oil leakage due to pressure
build-up. They are compatible with the elastomer materials used to make seals and will not
cause excessive swelling, shrinkage or hardening.
Protect Against Surface Distress
AMSOIL Synthetic Gear Lubes are thermally durable to protect gears against surface
distress in extreme pressure conditions. They provide a tough lubricating film that
resists the wear, pitting and spalling caused by surface distress. With their superior
film protection, AMSOIL Synthetic Gear Lubes maintain their extreme pressure additives to
increase component life.
Inhibit Foaming
AMSOIL Synthetic Gear Lubes contain special anti-foam additives to inhibit the
formation of air bubbles in the gear box. When foaming is eliminated, lubricant
circulation and load-carrying ability are improved.
SERVICE LIFE
With their chemically advanced formulation, AMSOIL Synthetic Gear Lubes last longer
than conventional petroleum gear lubes. In non-commercial passenger vehicles under normal
conditions, AMSOIL Synthetic Gear Lubes do not have to be drained. In situations where
severe water and/or dirt contamination occurs, a chemical lube analysis can determine if
the gear lube is still serviceable. Also, AMSOIL Synthetic Gear Lubes can be recycled
along with used motor oil because they contain no chlorine.
APPLICATION
AMSOIL 75W-90, 80W-90 AND 85W-140 Gear Lubes exceed the lubrication and performance
requirements for gear boxes where API MT-1, GL-4, GL-5, MIL PRF-2105E or Mack GO-J or GO-J
Plus lubricants are specified. AMSOIL Synthetic Gear Lubes provide limited slip
performance. Although generally not necessary, manufacturers' limited slip additives may
be used in conjunction with AMSOIL Synthetic Gear Lube.
After changing a vehicle's limited slip lubricant, drive the vehicle in a tight
"figure 8" pattern (lock to lock turns) for a minimum of eight repetitions.
AMSOIL 80W-90 GL-4 Gear Lube is recommended for marine outboard and stern drive lower
unit gears and bearings. It is also recommended where the manufacturer specifies GL-4
performance. AMSOIL 80W-90 GL-4 Gear Lube is not recommended as a replacement for API GL-5
products.
NEW VEHICLES UNDER WARRANTY
The use of AMSOIL Synthetic Gear Lubes will not void new vehicle warranties. New
vehicle warranties are based upon the use of lubricants meeting specific service
classifications. All AMSOIL Lubricants meet the current service requirements (as labeled)
and thus are recommended for use in any new vehicle without effecting the validity of the
new vehicle warranty.
AMSOIL PRODUCT WARRANTY
AMSOIL INC. warrants that the use of its products will not cause mechanical damage to
any mechanically sound equipment when AMSOIL INC. products are used in full compliance
with the company's recommendations.
TYPICAL TECHNICAL PROPERTIES
Synthetic Gear Lubes |
AGR
SAE 75W-90
(GL-2 thru GL-5) |
AGL
SAE 80W-90
(GL-2 thru GL-5) |
AGT
SAE 80W-90
(GL-4) |
AGO
SAE 85W-140
(GL-2 thru GL-5) |
Kinematic Viscosity @ 100°C, cST (ASTM D-445) |
16.3 |
15.8 |
14.4 |
27.8 |
Kinematic Viscosity @ 40°C, cST (ASTM D-445) |
122.2 |
144.2 |
124.2 |
331.8 |
Flash Point, °C (°F) (ASTM D-92) |
210 (410) |
224 (435) |
236 (457) |
220 (428) |
Pour Point, °C (°F) (ASTM D-97) |
-43 (-45) |
-34 (-30) |
-37 (-35) |
-25 (-13) |
Four Ball Wear Test (ASTM D-4172B: 40 kg; 75°C, 1,200 rpm, 1 hr) Scar diameter, mm |
0.35 |
0.35 |
0.36 |
0.30 |
If you want to
buy AMSOIL products, visit the AMSOIL Online Store. |