July 10th, 2011 | Add a Comment
The requirements for automotive gear lubrication have changed over the years, yet vehicle owner awareness has not. Gear lubrication has been commonly considered elementary, but, in fact, it is a dynamic process that requires sophisticated technology. The differentials that house the gears are out of sight, out of mind. They are neglected. But differentials are just as important to the operation of a vehicle as the engine. An engine without a functioning differential will not move the vehicle. Gear lubrication needs to be taken more seriously than before. There are several forces driving the need for better gear lubrication. You can become a dealer of these great products start today: View the proof Amsoil gears are the best on the market
First, is improved fuel economy. Modern vehicle aerodynamics, with lower level air dams, is decreasing the air flow over differentials. Fuel economy is improved, but reduced air flow increases differential operating temperatures. Also, lubricant fill volumes in differentials have been reduced in order to lower fluid drag on the gears and bearings for further improvement in fuel economy. However, lubricants cool components, and with less fluid in the sump, operating temperatures rise. Improvements in vehicle performance have created additional need for more sophisticated gear lubrication. Model-year 2007 turbo diesel pickup trucks, V-10 gasoline pickups and sport utility vehicles (SUVs), and high-horsepower V-8 trucks have more towing and payload capacities than in previous years, yet their differentials have not changed. There has been a 34% increase in engine horsepower over the last decade, while axle gear sizes have remained constant, sump capacities have been lowered and drain intervals extended. In the light truck segment there has been a 93% horsepower increase since 1981.1 In vehicles such as a fifth-wheel equipped Ford F-350 Super Duty, towing capacities have reached a high of 19,200 lbs.2 And testing shows that in new axle applications simulating trailer towing at 88 km/h (55 mph) at a 3.5% grade temperatures can reach as high as 188°C (370°F).3 Stress on differentials has also increased in limousines, conversion vans, and trucks and cars with modified, high-performance engines. More power, more towing capacity and higher hauling limits greatly increase the stress that causes heat and wear. Improvements in vehicle comfort have also driven the need for better gear lubrication. The demand for greater interior space has forced vehicle manufacturers to lower floor boards, which restricts air flow to the differential. Hot exhaust systems are forced closer to the axle housing, and differential operating temperatures are increased even further. Most vehicles operate under severe service as defined by vehicle manufacturers, but the majority of vehicle owners are unaware of this. Severe service applications include towing, hauling, plowing, off-road use, frequent stop-and-go driving, steep-hill driving and temperature extremes. Severe service applications are on the rise. For example, more than 90 percent of Ford Super Duty pickups are used for towing.4 Severe service increases the need for better gear lubrication. Synthetic gear lubes are recognized as superior to petroleum-based gear lubes by vehicle manufacturers, gear manufacturers and most high-performance automotive experts. Synthetic gear lubes exhibit all-around better performance. There are many synthetic gear lubricants available to consumers, including those marketed by vehicle manufacturers. All position themselves as superior to the rest.
Operating Conditions and Lubrication Requirements Differentials contain many different components, each having its own requirements for lubrication. The ring and pinion gears operate under extreme pressure and sliding contact that require extreme-pressure additives for protection. The bearings operate under rolling motion where lubricant film strength is particularly important, and limited-slip clutches require special friction additives for proper operation. It is essential, therefore, that gear lube formulations be carefully balanced to protect
all components. Too much emphasis on the needs of one component can detract from the needs of another.
AMSOIL Severe Gear® Synthetic Extreme Pressure (EP) Gear Lube is a premium-grade gear oil specifically engineered for maximum performance in severe duty applications. This state-of-the-art AMSOIL formulation features an exclusive blend of high viscosity, shear stable synthetic base oils and an extra treatment of high-performance additives. AMSOIL Severe Gear Synthetic EP Gear Lube maintains its 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 helps 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 Gear Lube inhibits rapid lubricant degradation and component damage. Equipment runs better and lasts longer with AMSOIL Severe Gear Synthetic EP Gear Lube.
AMSOIL Severe Gear provides performance beyond that possible with conventional gear oil. This AMSOIL custom product offers superior gear and bearing protection, better friction and heat reduction, increased efficiency and extended service life.
AMSOIL Severe Gear EP Gear Lube excels in hot and cold temperature extremes. By design, it resists breakdown from high heat, preventing acids and carbon/varnish formation. Its wax-free construction also improves cold-flow properties, improving fuel economy and cold weather shifting.
AMSOIL Severe Gear Synthetic EP Gear Lube is 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 motor homes.
- Superior Film Strength
- Controls Thermal Runaway
- Rust and Corrosion protection
- Reduced Operating Temperatures
- Improved Efficiency
- Longer Oil, Seal, & Equipment Life
For product service life in differentials, consult your owner’s manual or the Original Equipment Manufacturer (OEM) to establish the application, NORMAL or SEVERE.
|Cars, SUVs, Light 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 three years, whichever comes first. Otherwise, drain at twice the OEM interval for conventional oil.|
|Vocational/Delivery||Follow the OEM drain interval (miles or hours) for synthetic oil up to 120,000 miles or three years, whichever comes first. Otherwise, drain at twice the OEM interval for conventional oil.|
|Heavy Duty Off-Road||Follow the OEM drain interval (miles or hours) for synthetic oil up to 100,000 miles or two years, 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 Sever 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 oil.
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
AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG)
|Kinematic Viscosity @ 100°C, cSt (ASTM D-445)||
|Kinematic Viscosity @ 40°C, cst (ASTM D-445)||
|Viscosity Index (ASTM D-2270)||
|Brookfield Viscosity, cP (150,000 Max) @-40°C||
|Flash Point, °C (°F) (ASTM D-92) 150°C Min.||
|Pour Point, °C (°F) (ASTM D-97)||
|Copper Corrosion (ASTM D-130) 1b Max @ 121 °C (250°F) / 3hr||
|Falex Procedure B (ASTM D-3233) (failure load, lbf.)||
|Foam Stability (ASTM D-892) (20/50/20 maximum)||
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Filed under: Amsoil Gear Lubes, Amsoil performance testing · Tags: AMSOIL gear lubes tested to be the best on the market, Amsoil Improves fuel Efficiency, Amsoil provides Rust and Corrosion Protection, Amsoil Reduces Operating Temperatures, Controls Thermal Runaway, Longer Oil Seal & Equipment Life, Superior Film Strength
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AlaskaSynthetics.com is an authorized Amsoil dealer and we know exactly why and how AMSOIL synthetic motor oil will increase the performance and longevity of your vehicles and equipment and save you money, plus provide increased fuel economy. I am here to answer any of your vehicle or lubrication related questions with an accurate and specific answer and specialize in all makes and models of vehicles.
My name is Rob please call me if your interested in buying Amsoil or need any question answered. My number is 1-907-301-0450. Please Feel Free to call me anytime.
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