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.
. |
NORMAL |
SEVERE |
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.
TYPICAL
TECHNICAL PROPERTIES revised as of
10/07 |
AMSOIL SEVERE
GEAR® Synthetic Extreme Pressure (EP) Lubricant
75W-90 (SVG) |
Kinematic Viscosity
@ 100°C, cSt (ASTM D-445) |
16.7 |
Kinematic Viscosity
@ 40°C, cst (ASTM D-445) |
109.1 |
Viscosity Index
(ASTM D-2270) |
165 |
Brookfield
Viscosity, cP (150,000 Max) @-40°C |
68,150 |
Flash Point, °C
(°F) (ASTM D-92) 150°C Min. |
220
(428) |
Pour Point, °C (°F)
(ASTM D-97) |
-50
(-58) |
Copper Corrosion
(ASTM D-130) 1b Max @ 121 °C (250°F) /
3hr |
1b |
Falex Procedure B
(ASTM D-3233) (failure load, lbf.) |
2500 |
Foam Stability
(ASTM D-892) (20/50/20 maximum) |
0/0/0 | |