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PRODUCT DESCRIPTION
AMSOIL Severe Gear Synthetic SAE 190 and
SAE 250 Gear Lubricants are
premium grade, extreme pressure gear lubes engineered
specifically for the demands of severe racing
conditions. They are formulated with shear stable, heavy
synthetic base oils for “high film strength” and extra
heavy treatments of additives. Their synthetic
formulations provide improved flow over conventional
oils, reducing viscous drag and power loss. Severe Gear
SAE 190 and SAE 250 Gear Lubes
provide a barrier cushion between metal surfaces that
absorbs impact. AMSOIL proprietary extreme pressure
additives form an iron-sulfide barrier coating on gear
surfaces for the ultimate line of defense against wear,
pitting and scoring.
PERFORMANCE
AMSOIL Severe Gear Synthetic SAE 190 and
SAE 250 Gear Lubricants are
specifically engineered for high horsepower, high torque
conditions where centrifugal gear lube sling-off is
encountered. These tenacious formulations cling to gears
and bearings for the best possible protection during
shock loading, high G-forces and where pinion gears are
installed at steep angles. Custom Severe Gear Synthetic
Gear Lubricants provide exceptional reliability and
extended gear life.
• Protects gears from shock loading and tire shake
• Resists sling-off from G-forces and high speeds
• Clings to gears - high pinion style and at steep
angles
• Promotes cooler operating temperatures
• Protects against rust and corrosion
• Extends gear and bearing life
APPLICATIONS
AMSOIL Severe Gear Synthetic SAE 190 and
SAE 250 Gear Lubricants are
excellent for severe differential applications,
including off-road truck racing, rock racing, rock
crawling, tractor pulling, funny car racing and dragster
racing. Other severe duty applications include heavy
duty trucks and equipment where increased lubricant film
is necessary. These oils are recommended for use in
hypoid gear differentials and other applications
requiring a high viscosity, API GL-5 gear lube. Where
limited slip performance is required, use AMSOIL
Slip-Lock® limited slip additive.
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TYPICAL
TECHNICAL PROPERTIES |
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Severe Gear® Synthetic Off-Road and Drag
Racing Gear Lubricant SAE 190 (SRN)
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Kinematic Viscosity @ 100°C, cSt (ASTM
D-445)
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Kinematic Viscosity @ 40°C, cSt (ASTM
D-445)
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Viscosity Index (ASTM D-2270)
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Flash Point °C (°F) (ASTM D 92) 150°C
Min.
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Pour Point °C (°F) (ASTM D 97)
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Copper Corrosion (ASTM D-130) 2a
Max. @ 121 °C (250°F)/3hr.
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Falex Procedure B (ASTM D-3233)
(failure load, lbf.)
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Four Ball Wear Test
(ASTM D4172B @ 40 kgf, 75 °C, 1200
rpm, 1 hr), Scar, mm
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Service Life
AMSOIL Severe Gear Synthetic SAE 190 and
SAE 250 Gear Lubricants are
intended for severe racing and other applications
where extended drain intervals are not beneficial.
AMSOIL recommends changing the lubricant as
conditions dictate. Where extended drain intervals
are desired, AMSOIL recommends monitoring by oil
analysis.
Mixing AMSOIL
AMSOIL Severe Gear Synthetic SAE 190 and
SAE 250 Gear Lubricants are
compatible with conventional and synthetic
automotive gear oils. Mixing AMSOIL gear oils with
other oils, however, will shorten the oil life
expectancy and reduce the performance benefits.
Aftermarket oil additives, other than those
specified by AMSOIL, are not recommended for use
with AMSOIL gear oils.
Health & Safety
This product is not expected to cause health
concerns when used for the intended application and
according to the recommendations in the Material
Safety Data Sheet (MSDS). An MSDS is available upon
request at 715-392-7101 or
on the AMSOIL Corporate website.
Keep out of reach of children. Don’t pollute. Return
used oil to collection centers.
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