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HIGH PERFORMANCE SYNTHETIC 10W-40 MOTOR OIL: API Service SJ, SH, SG, SF, CH-4, CG-4, CF-2, CF, CD.

Product Code: AMO

AMSOIL High Performance Synthetic 10W-40 Motor Oil is designed to provide maximum benefits in gasoline and diesel engines. Ideal for motorhomes, motorcycles and wet clutch performance.  AMSOIL High Performance Synthetic 10W-40 Motor Oil may be used in gasoline or diesel engines requiring oils meeting the following specifications:

  • API SJ, SH, SG, SF, CH-4, CG-4, CF-2, CF, CD
  • ACEA A2, A3, B2, B3, E2, E3
  • Chrysler MS 8809A
  • Cummins CES 20071, 20072, 20076
  • Ford ESR M2C 179A
  • Mercedes-Benz 226.1, 227.1, 228.1, 228.3
  • Mack EO-L, EO-M, EO-M+
  • Volvo VDS, VDS-2
  • Volkswagon 501.01, 505.00
  • Allison C-3, C-4
  • Caterpillar TO-2, TO-3

PRODUCT DESCRIPTION

AMSOIL High Performance Synthetic 10W-40 Motor Oil is specifically formulated to provide tough lubricating protection in the most demanding operations.  It is recommended for use is motorcycles, pickup trucks, recreational vehicles and other high-stress vehicles powered by gasoline or diesel engines. AMSOIL SAE 10W-40 High Performance Synthetic Motor Oil may be used in all motorcycle engines, including those with a wet clutch system, requiring an API CD, SG-CG or SH-CD oil.

WEAR PROTECTION

The AMSOIL High Performance Synthetic 10W-40 Motor Oil anti-wear additive package contains high levels of zinc and phosphorous for superior protection of cam lobes and other high-pressure parts.  In fact, AMSOIL High Performance Synthetic 20W-50 Motor Oil contains more zinc and phosphorous than most popular motorcycle manufacturer motor oils.  Its superior anti-wear package offers superior wear protection.  AMSOIL High Performance Synthetic 10W-40 Motor Oil leaves a wear scar up to 38 percent smaller than the scars left by other popular brands in the ASTM D4172 Four-Ball Wear Test.

Some motorcycle transmissions and engines share an oil sump, so the engine oil also provides wear protection to the transmission gears.  AMSOIL High Performance Synthetic 10W-40 Motor Oil offers superior wear protection to transmission gears, which are often subjected to high surface pressure and rotation speed.  It also promotes proper wet clutch performance.

FRICTION MODIFIER FREE

AMSOIL High Performance Synthetic 10W-40 Motor Oil contains no friction modifiers, making it ideal for motorcycle engines.  The friction modifier free formulation of AMSOIL High Performance Synthetic 10W-40 Motor Oil ensures dependable starting, smooth running, good fuel efficiency, desirable stall speeds and clutch compatibility.

DIESEL FORMULATED

AMSOIL High Performance Synthetic 10W-40 Motor Oil contains a robust dispersant/detergent additive package, making it ideal for use in high-stress diesel engines.  Its 12+ TBN ensures lasting protection against acid and soot in high-stress diesel applications.  In fact, its dispersant/detergent additive package is a proven extended drain lubricant.

TEMPERATURE AND PERFORMANCE

AMSOIL High Performance Synthetic 10W-40 Motor Oil offers the superior protection and lubrication at high and low temperatures found only in top-quality synthetic oils.  Its outstanding low temperature fluidity ensures easy cranking, dependable starting and fast post-startup protection.  Its superior high-temperature protection ensures the formation of a clean, protective film of oil between working parts during high-temperature, high-stress operations.

High-temperature operations often lead to the thermal degradation and oxidation of conventional oils, which leads to the formation of deposits, sludge and varnish.  AMSOIL High Performance Synthetic 10W-40 Motor Oil withstands thermal degradation and oxidation at higher temperatures than conventional oils do, ensuring clean, dependable performance in high-stress, high temperature operations.  

NEW VEHICLES UNDER WARRANTY

AMSOIL High Performance Synthetic 10W-40 Motor Oil will not void new vehicle warranties. New vehicle warranties are premised on the use of oils meeting specific API service classifications and SAE viscosity grades. AMSOIL High Performance Synthetic 10W-40 Motor Oil meets the current API and SAE requirements (as labeled) and are perfectly suited for use in any new vehicle stipulating those requirements.

SERVICE LIFE

AMSOIL High Performance Synthetic 10W-40 Motor Oil (AMO) is formulated for extended drain intervals.  Length of service depends on application.

PERSONAL VEHICLES WITH NON-TURBOCHARGED GASOLINE ENGINES

Change AMO at three times the engine manufacturer's recommended drain interval or one year, whichever comes first.

VEHICLES WITH TURBOCHARGED GASOLINE ENGINES

Change AMO at two times the engine manufacturer's recommended drain interval or six months, whichever comes first.

RACING ENGINES

Change AMO at intervals specified by used oil analysis.

VEHICLES WITH LIGHT-DUTY AND NON-TURBOCHARGED DIESEL ENGINES

Change AMO at two or more times the engine manufacturer's recommended drain interval if the findings of used oil analysis support those drain intervals or six months, whichever comes first.

HEAVY DUTY AND TURBOCHARGED DIESEL ENGINES

Change AMO at two or more times the engine manufacturer's recommended drain interval if the findings of used oil analysis support those drain intervals or six months, whichever comes first.

MOTORCYCLES, ALL-TERRAIN VEHICLES, ETC.

Change AMO at three times the engine manufacturer's recommended drain interval or one year, whichever comes first.

MARINE CRAFT AND OCCASIONALLY USED GASOLINE ENGINES

Change AMO at three times the engine manufacturer's recommended drain interval or one year, whichever comes first.

FLEET VEHICLES AND INDUSTRIAL GASOLINE ENGINES

Change AMO at three times the engine manufacturer's recommended drain interval or one year, whichever comes first.

If a vehicle is equipped with an AMSOIL Oil Filter, the filter should be changed at 12,500-mile or six-month intervals (whichever comes first) in gasoline engines and 7,000-mile or six-month intervals (whichever comes first) in diesel engines.  Non-AMSOIL oil filters should be changed at the engine manufacturer's recommended filter change interval.

AMSOIL PRODUCT WARRANTY

AMSOIL INC. warrants that the use of its products will not cause mechanical damage to any mechanically sound equipment when AMSOIL INC. products are used in full compliance with AMSOIL INC. recommendations.

TYPICAL TECHNICAL PROPERTIES

AMSOIL High Performance Synthetic 10W-40 Motor Oil AMO
SAE Viscosity Grade 10W-40
Kinematic Viscosity @ 100C, cSt (ASTM D-445) 14.0
Kinematic Viscosity @ 40C, cSt (ASTM D-445) 79.2
Viscosity Index (ASTM D-2270) 183
Apparent Viscosity (CCS) @ -lOC, cP (ASTM D-2602 (Mod)) 2614
High Temperature/High Shear Viscosity cP, 150C,
1.0 X 106 s.-1 (ASTM D-4683)
3.93
Pour Point, C (F) (ASTM D-97) -48 (-54)
Flash Point, C (F) (ASTM D-92) 232 (450)
NOACK Volatility,
% weight loss (DIN 51581)
7.0
Four Ball Wear Test (ASTM D-4172: 40 kg,
75C, 1200 rpm, 1 hr.) Scar Diameter, mm
0.40
Total Base Number >12.0

If you want to buy AMSOIL products, visit the AMSOIL Online Store.