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PRODUCT DESCRIPTION
AMSOIL Synthetic Automatic Transmission Fluid (ATF) exceeds the performance requirements for
domestic and foreign automatic transmission fluid applications. AMSOIL ATF provides automatic
transmissions, power steering units and hydraulic equipment with excellent lubricating protection
and better performance over a wider temperature range than conventional automatic transmission
fluids.
Resists Oxidation and Thermal Degradation
AMSOIL ATF resists thermal and oxidative degradation better than conventional transmission fluids,
protecting clutches, planetary gears, valves, pumps and seals from damaging sludge and varnish
deposits. AMSOIL ATF helps prevent component overheating and ensures cooler, smoother transmission
operation.
Provides Low Temperature Protection
AMSOIL ATF outperforms petroleum fluids in low temperature fluidity. In fact, AMSOIL ATF offers
twice the cold temperature fluidity required by current automatic transmission fluid
specifications. AMSOIL ATF provides easier starting, faster warm-ups, smoother shifting and
improved fuel economy.
Antiwear Protection
AMSOIL ATF provides smooth shifting and long, trouble-free transmission life. In addition, the
antiwear additive package makes AMSOIL ATF an excellent lubricant in other hydraulic systems. In
tests designed to measure wear characteristics under severe service and high pressure operating
conditions, AMSOIL ATF far exceeds the requirements of hydraulic equipment manufacturers.
Extends Drain Intervals
AMSOIL ATF is a stable formulation that lasts longer in service than conventional ATFs. It
maintains its viscosity, friction and lubricating properties for extended periods of time, even
under severe conditions. AMSOIL ATF maximizes transmission performance and service life while
reducing maintenance costs through longer drain intervals.
APPLICATIONS AMSOIL Synthetic Universal
Automatic Transmission Fluid is completely compatible with other synthetic and petroleum
automatic transmission fluids. AMSOIL ATF is a universal, multi-functional fluid that greatly
reduces the need for specialized fluid inventories and the possibilities of
misapplication.
AMSOIL ATF is recommended for transmission, hydraulic and other
applications requiring any of the following specifications:
SERVICE LIFE AMSOIL Synthetic Automatic
Transmission Fluid is recommended for use up to 50,000 miles under severe service* and up to
100,000 miles under normal service* or according to the vehicle manufacturer recommended
intervals, whichever is longer. AMSOIL recommends thoroughly draining the transmission and
flushing with new AMSOIL ATF to achieve a minimum 90% purity of new transmission fluid. Drain
intervals may be extended further with oil analysis.
* As defined by the vehicle or transmission manufacturer.
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). MSDS's are available
upon request at 715-392-7101 or on our website. Keep Out of Reach of
Children. Don't pollute. Return used oil to collection centers.
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TYPICAL TECHNICAL PROPERTIES
Revised as of 7/07
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AMSOIL Synthetic Universal Automatic
Transmission Fluid (ATF)
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Kinematic Viscosity @ 100°C, cSt (ASTM
D-445)
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6.8
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Kinematic Viscosity @ 40°C, cSt (ASTM
D-445)
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32.4
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Viscosity Index (ASTM D-2270)
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172
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Noack Volatility, % weight loss (ASTM
D-5800)
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11.0
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Flash Point °C (°F) (ASTM
D-92)
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220 (428)
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Pour Point °C (°F) (ASTM D-97)
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-53 (-63)
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Four Ball Wear Test, Scar in mm; 40
kg, 75°C, 1200 rpm, 1 hr (ASTM D-4172B)
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0.44
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Brookfield Viscosity (cP)
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-20°C = 1245
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Brookfield Viscosity (cP)
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-40°C = 9087
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Gear
Lubricants

SEVERE GEAR®
Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG)
Formulated for the severe operating conditions of today’s pick-up trucks, SUVs, heavy equipment and
other hard working vehicles.
See Pricing
Information or Place an Order
Package sizes
include:
1-Quart
Bottle
1-Quart Bottles (case of 12)
5-Gallon Pail
16-Gallon Keg
30-Gallon Drum
55-Gallon Drum
Product Description
AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils
specifically engineered for maximum performance in severe duty applications. These state-of-the-art
AMSOIL formulations feature an exclusive blend of high viscosity, shear stable synthetic base oils
and an extra treatment of high-performance additives. AMSOIL SEVERE GEAR® Synthetic EP Lubricants
maintain their viscosity for long-lasting protection against metal-to-metal contact. The
proprietary AMSOIL additives form an iron-sulfide barrier coating on gear surfaces, providing the
ultimate line of defense against wear, pitting and scoring. AMSOIL SEVERE GEAR® lubricants help
prevent “thermal runaway” — a phenomenon caused by a lubricant’s inability to control friction and
increased heat under high-stress conditions. By controlling thermal runaway, AMSOIL SEVERE GEAR®
Synthetic EP Lubricants inhibit rapid lubricant degradation and component damage. Equipment runs
better and lasts longer with AMSOIL SEVERE GEAR® Synthetic EP Lubricants.
Performance
AMSOIL SEVERE GEAR® provides performance beyond that possible with conventional gear oil. These
AMSOIL custom products offer superior gear and bearing protection, better friction and heat
reduction, increased efficiency and extended service life.
- Superior Film Strength
- Controls Thermal Runaway
- Rust and Corrosion protection
- Reduced Operating Temperatures
- Improved Efficiency
- Longer Oil, Seal, & Equipment Life
Temperature Extremes
AMSOIL SEVERE GEAR® EP lubricants excel in hot and cold temperature extremes. By design, they
resist breakdown from high heat, preventing acids and carbon/varnish formation. Their waxfree
construction also improves cold flow properties, improving fuel economy and cold weather
shifting.
Applications
AMSOIL SEVERE GEAR® Synthetic EP Lubricants are excellent for severe applications, such as towing,
hauling, steep hill driving, commercial use, plowing, racing, off-road use, rapid acceleration,
frequent stop-and-go operation and high ambient temperatures.
Higher horsepower, towing and hauling capabilities of modern vehicles make turbo
diesel pick-ups, SUVs, vans and delivery/utility vehicles especially prone to severe service. Other
severe duty vehicles include light, medium and heavy-duty trucks, buses, heavy equipment, 4X4s, tow
trucks, race cars, tractors, and motorhomes.
For product service life in differentials, consult your owner’s manual or the
Original Equipment Manufacturer (OEM) to establish the application, NORMAL or SEVERE.
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NORMAL
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SEVERE
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| Cars, SUV, Light & Medium Duty Trucks |
Drain at 100,000 miles of service or according to the owner’s
manual, whichever is longer |
Drain at 50,000 miles of service or according to the owner’s manual,
whichever is longer |
| Heavy Duty Class 8 Line Haul |
Follow the OEM drain interval (miles or hours) for
synthetic oil up to 250,000 miles or 3 years, whichever comes first. Otherwise, drain
at twice the OEM interval for conventional oil. |
| Heavy Duty Off-Road Vocational |
Follow the OEM drain interval (miles or hours) for
synthetic oil up to 120,000 miles or 1 year, whichever comes first. Otherwise, drain at
twice the OEM interval for conventional oil. |
For product service life in non-differential applications, consult owner’s manual
or the OEM for either normal or severe synthetic oil service intervals. Where service intervals are
unavailable, drain at twice the interval for conventional oil.
Gear oils should be changed more frequently when operating vehicles or equipment
in dusty or dirty conditions unless the gear system is properly sealed and equipped with membrane
type breathers.
Note: AMSOIL does not support extended drain intervals where water contamination
occurs. Check and service the gear oil frequently when water contamination is possible.
Recommended for use in differentials, manual transmissions and other gear
applications requiring any of the following specifications: API GL-5, MT-1, MIL-PRF-2105E, Dana
SHAES 234 (Formerly Eaton PS-037), Mack GO-J, or the differential (hypoid) gear oil specifications
from all domestic and foreign manufacturers such as GM, Ford and Daimler Chrysler. Can also be used
in axles where an API GL-4 lubricant is recommended.
AMSOIL SEVERE GEAR® (75W-90) provides superior performance
and replaces competitors’ 75W-90 and 80W-90 gear oils. It delivers the best fuel efficiency and
cold temperature performance of the SEVERE GEAR oils.
AMSOIL SEVERE GEAR® is compatible with conventional and synthetic gear oils.
Mixing AMSOIL gear oils with other oils, however, will shorten the oil life expectancy and reduce
the performance benefits. AMSOIL does not support extended drain intervals where oils have been
mixed. Aftermarket oil additives, other than those specified by AMSOIL, are not recommended for use
with AMSOIL gear oils.
AMSOIL SEVERE GEAR® is compatible with most limited slip differentials. If
limited slip differential chatter occurs, add AMSOIL Slip-Lock™ friction modifier
additive.
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 website. Keep Out of Reach of Children. Don’t
pollute. Return used oil to collection centers.
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TYPICAL TECHNICAL PROPERTIES
revised as of 10/07
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AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricant
75W-90 (SVG)
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| Kinematic Viscosity @ 100°C, cSt (ASTM
D-445) |
16.7
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| Kinematic Viscosity @ 40°C, cst (ASTM D-445) |
109.1
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| Viscosity Index (ASTM D-2270) |
165
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| Brookfield Viscosity, cP (150,000 Max)
@-40°C |
68,150
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| Flash Point, °C (°F) (ASTM D-92) 150°C Min. |
220 (428)
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| Pour Point, °C (°F) (ASTM D-97) |
-50 (-58)
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| Copper Corrosion (ASTM D-130) 1b Max @ 121 °C (250°F) /
3hr |
1b
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| Falex Procedure B (ASTM D-3233) (failure load,
lbf.) |
2500
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| Foam Stability (ASTM D-892) (20/50/20
maximum) |
0/0/0
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