AMSOIL Synthetic Premium Protection SAE 20W-50 Motor Oil ARO
Print

AMSOIL Synthetic Premium Protection SAE 20W-50 Motor Oil

Ideal for Applications Where Extra Protection of a Higher Viscosity is Desired

AMSOIL Synthetic SAE 20W50 Premium Protection Motor Oil

Buy This Product From the AMSOIL Corporate Online Store

 

 


PRODUCT DESCRIPTION
AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is specially formulated to provide superior protection and performance in a wide variety of demanding applications. By incorporating high quality synthetic base stocks and additives, AMSOIL Premium Protection Oil exceeds the needs of large and small gasoline or diesel engines in cars, motorcycles, trucks, motor homes, maintenance equipment, heavy equipment, street rods and marine applications. It is ideal for high mileage vehicles with flat-tappet cams and high-stress vehicles subject to hot temperatures, heavy hauling, trailer pulling or off road use. AMSOIL Premium Protection Oil resists oxidation, neutralizes acids, inhibits corrosion, reduces wear and protects against deposits. It provides the extra anti-wear protection required by engines with flat-tappet cams and high-tension valve springs. AMSOIL Synthetic 20W-50 Premium Protection Motor Oil offers flexibility and performance beyond conventional oils for convenience and trouble free operation.

AMSOIL, the leader in automotive synthetic lubrication, produced the world's first API qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

Provides Superior Wear Protection
AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is a high viscosity oil engineered to protect against metal-to-metal contact. It resists viscosity shear and is formulated with a heavy treatment of zinc and other anti-wear additives for excellent protection of gears, bearings, cam lobes and other high-pressure components in engines and transmissions. AMSOIL Premium Protection Synthetic Motor Oil helps extend engine life.

Exceeds the Requirements of Wet Clutch Transmissions
AMSOIL Premium Protection Synthetic Motor Oil contains no friction modifiers, making it ideal for motorcycles, maintenance equipment and other wet clutch transmission applications. Formulated to prevent clutch glazing and slippage, it insures smooth clutch engagement and long term, dependable transmission operation.
AMSOIL Synthetic 20W-50 Motor Oil reduces clutch wear for extended transmission life.

Resists Oxidation and High Temperature Breakdown
AMSOIL Premium Protection Synthetic Motor Oil overcomes the thermal deficiencies common to conventional petroleum oils. Volatilization (burn-off), oxidation and excessive deposit formation from high heat are greatly reduced. Viscosity thickening is controlled and engines run clean, promoting cooler operation and long engine life in air or liquid cooled engines.

Extends Drain Intervals in Gasoline and Diesel Engines
The superior AMSOIL synthetic base stock and additive technology exceeds the requirements of both gasoline and diesel engines. AMSOIL Premium Protection Motor Oil neutralizes acids, disperses soot and lasts longer in service than conventional oils.

APPLICATIONS
AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is a multi-use, premium synthetic lubricant for applications that require or benefit from a higher viscosity oil. It is recommended for air and liquid cooled, large or small gasoline and diesel engines, transmissions and chaincase applications where 20W-50 oil is required with any of the following specifications:

  • API SL/CF, CI-4 Plus
  • API SJ, SH, SG...
  • ISO-L-EMA
  • JASO MA (Motorcycle)
  • Cummins 20071, 20072, 20076, 20077

MIXING AMSOIL
AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is compatible with conventional and synthetic motor oils. Mixing AMSOIL motor 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 are not recommended for use with AMSOIL Synthetic Oils.

SERVICE LIFE
AMSOIL Synthetic 20W-50 Premium Protection Motor Oil is recommended for extended intervals in unmodified, mechanically-sound vehicles or equipment as follows:

Diesel Engine Service
•Normal Service - Up to 25,000 miles or one year, whichever comes first, or longer based on oil analysis.
•Severe Service - Up to 15,000 miles or one year, whichever comes first, or longer based on oil analysis.

Gasoline Engine Service
•Normal Service - Up to 15,000 miles or one year, whichever comes first, or longer based on oil analysis.
•Severe Service - Up to 15,000 miles or one year, whichever comes first, or longer based on oil analysis.

Motorcycles, Small Engines, Stationary Engines, Heavy Equipment and Other Applications
•Extend drain intervals based on oil analysis or follow the manufacturer-recommended drain interval.

AMSOIL Ea™ Full-Flow Oil Filters are designed for extended drain intervals. They stop smaller particles, flow more oil and last longer than regular filters. For best performance, use AMSOIL Ea™ Full-Flow Oil Filters and replace at the time of oil change. Other oil filters should be changed at standard OEM* intervals.

*OEM - Original Equipment Manufacturer

TYPICAL PHYSICAL PROPERTIES

 AMSOIL High Performance Synthetic 20W-50 Motor Oil (ARO)

Kinematic Viscosity @ 100°C, cSt (ASTM D-445)

18.9

Kinematic Viscosity @ 40°C, cSt (ASTM D-445)

123.8

Viscosity Index (ASTM D-2270)

172

CCS Viscosity @ -15°C, cP (ASTM D-5293)

3525 (-15)

Pour Point °C (°F) (ASTM D 97)

-36 (-33)

Flash Point °C (°F) (ASTM D 92)

233 (451)

Fire Point °C (°F) (ASTM D-92)

249 (480)

High Temperature/High Shear @ 150°C and 1.0 X 106 s-1, cP (ASTM D 4683), cP

5.0

Four Ball Wear Test (ASTM D 4172 @ 40 kgf, 150°C, 1800 rpm, 1 hour, Scar in mm)

0.40

Noack Volatility, % weight loss (g/100g) (DIN 51581)

6.5

Total Base Number

12.1

 

 

AMSOIL Authorized Dealer

 

 

 

We just became aware our business telephone line with AT&T is down, 706-453-0084, which is tied to our toll-free number 800-745-5055. AT&T is giving us an estimated time for repair of Monday e
AMSOIL and Warranties The Magnuson-Moss Act is a U. S. federal law which states that a manufacturer may not require the use of a specific brand of aftermarket product, including lubricants, unless th
The Functions of a Lubricant Modern motor oil is a highly specialized product carefully developed by engineers and chemists to perform many essential functions. A motor oil must: Per
Reasons for Motor Oil Consumption AMSOIL Inc. issued Technical Service Bulletin (TSB) MO-2004-04-03 several years ago outlining reasons for motor oil consumption. Forty reasons are listed, two of w
AMSOIL products were promoting environmental sustainability long before it became fashionable. Today, AMSOIL's environmental management system extends well beyond the products and has been registered