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PRODUCT DESCRIPTION
AMSOIL Universal Synthetic Marine
Gear Lube is an exclusive AMSOIL formulation of synthetic base oils and high
performance additives that address the specific concerns of marine
applications. It is extreme pressure (EP) additive fortified for superior
protection of fast accelerating, high torque/horsepower engines. It protects
against shock loading from cavitation of heavily loaded engines.
AMSOIL Universal Synthetic Marine Gear Lube
is water resistant. It maintains extreme pressure protection even when
contaminated with as much as 10% water. It promotes longer seal life,
preventing excessive water leakage. AMSOIL Universal Synthetic Marine Gear Lube
protects against rust and is compatible with aluminum, copper and brass
alloys.
APPLICATIONS
AMSOIL Universal Synthetic Marine
Gear Lube is recommended for fresh and salt water applications requiring
either 75W-90 or 80W-90 viscosity grade and meeting either API GL-4 or GL-5
performance standards.
Examples of AMSOIL Universal Synthetic
Marine Gear Lube applications include:
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Outboard Lower Units:
Mercury/Mariner
Johnson/Evinrude
Bombardier
Honda
Yamaha
Suzuki
Force/US Marine
Nissan
Tohatsu
Harbormaster Marine Outboard Drives
Sears Gamefisher and Seagull
Sterndrives:
Mercruiser-Bravo
OMC/Bombardier
Volvo-Penta
Yanmar
Konrad
Marine Drive Systems
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V-Drives:
Casale & Menkens
Bow & Tunnel Thrusters:
Harbormaster Marine
Marine Transmissions:
ZF Marine Transmission
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Marine gear oils operate in environments
subject to water contamination. The chart below demonstrates the ability of
AMSOIL Universal Synthetic Marine Gear Lube to maintain designed qualities
such as extreme pressure/anti-wear performance and resistance to foaming,
even when subjected to 10% water contamination.
The Falex Procedure is measurement of a
gear lube's extreme pressure and anti-wear properties. A high value in the
Falex Extreme Pressure Test relates to extra extreme pressure protection.
AMSOIL Universal Synthetic Marine Gear Lube is not affected by water and
provides 50% more extreme pressure protection for long gear and bearing life.
The presence of foam in a lubricant
disrupts oil film and promotes wear. Water contamination can increase the
likelihood of foaming. Industry standard testing demonstrates zero foam in
both new and water-contaminated AMSOIL Universal Synthetic Marine Gear Lube.
Other conventional gear lubes can foam when mixed with water, as seen in the
graph.
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Extreme
Pressure and Foam Stability Testing
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Test
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AMSOIL Universal Synthetic Marine Gear Lube (AGM)
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Conventional Gear Lube (A)
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Conventional Gear Lube (B)
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FALEX Extreme Pressure
Load Test B (LbF)
(ASTM D-3233B)
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no water
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with 10% water
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1500
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1500
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no water
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with 10% water
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1100
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1000
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no water
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with 10% water
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1000
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1000
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Foam Stability
(ASTM D-892)
Sequence I
Sequence II
Sequence III
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no water
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with 10% water
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0/0
0/0
0/0
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0/0
0/0
0/0
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no water
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with 10% water
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0/0
0/0
0/0
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0/0
0/0
0/0
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no water
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with 10% water
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0/0
0/0
0/0
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375/290
590/0
380/305
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TYPICAL TECHNICAL PROPERTIES
AMSOIL Universal Synthetic
Marine Gear Lube75W/80W-90 (AGM)
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Kinematic Viscosity @ 100°C, cSt (ASTM
D-445)
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14.7
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Kinematic Viscosity @ 40°C, cSt (ASTM
D-445)
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116.0
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Viscosity Index (ASTM D-2270)
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130
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Flash Point °C (°F) (ASTM D-92)
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216 (420.8)
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Pour Point °C (°F) (ASTM D-97)
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-43
(-45)
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Falex Procedure B (ASTM D-3233) (failure load,
LbF.)
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1500
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Foam Stability (ASTM D-892) (20/50/20 maximum)
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0/0/0
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AMSOIL Universal Synthetic Marine gear Lube
is compatible with other commercially available conventional and synthetic
marine gear lubes.
Follow manufacturers recommended service
intervals.
It is generally a good idea to change
gear lube at the end of the season prior to storage.
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