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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 250 (SRT)
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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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