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Extended Life 10W40 Synthetic Motor Oil

10W40 AMSOIL Extended Life for twice a year oil change while improving mileage!

Extended Life 10W-40 Synthetic Motor Oil (XLO)
Extended Life “XL” Synthetic Motor Oils exceed the current performance requirements for gasoline engines and deliver exceptional performance by controlling wear and maximizing fuel economy.

Best product for warranty concerned customers needing an API Certified Synthetic Motor Oil.

Excellent priced twice per year oil chance - Use Extended-Drain Boost Technology

Security for 10,000 Miles

Purchase online in our new store or just call us.
Dial 1-800-579-0580 and order XLO

    Package sizes include:

    • 1-Quart Bottles or Cases of 12 Qts
    • 1-Gallon Bottles or Cases of 4 Gals
    • 30-Gallon Drum
    • 55-Gallon Drum
    • 275-Gallon Tote

Download the Data Sheet for XL Series Oils

Vehicle Look Up Table: Matches AMSOIL's products to your vehicles.

 

Product Description
AMSOIL XL 10W40 (XLO) Extended Life Synthetic Motor Oils provide better wear control, high- and low-temperature protection and increased fuel economy compared to conventional oils. Formulated with extended-drain boost technology, AMSOIL XL Synthetic Motor Oils provide superior performance for up to 10,000-miles/six months, or longer when recommended in owner’s manuals or indicated by electronic oil life monitoring systems.

This is the best choice for vehicles prone to engine sludge problems limiting the oil change interval. See the AMSOIL Technical Service Bulletin regarding this issue. "Using AMSOIL in engines with possible sludge issues"

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 vehicle.

Extended-Drain Boost Technology
During normal engine operation, the combustion process creates acidic by-products that can lead to internal component corrosion and a reduction in the life expectancy of the engine oil and engine itself. Formulated with extended-drain boost technology, AMSOIL XL Synthetic Motor Oils employ high-quality synthetic base stocks and a unique additive chemistry to neutralize acids longer than conventional oils. The extra additive package effectively raises the Total Base Number (TBN), a measure of an oil’s useful service life, and provides superior protection and performance throughout the entire drain interval.

Lower Maintenance Costs
Cost-conscious motorists, business owners and fleet managers benefit from the extended drain intervals and wear protection of AMSOIL XL Synthetic Motor Oils. While frequent oil changes are expensive, time consuming and inconvenient, longer drain intervals reduce costs and environmental impact, while increased wear control can reduce maintenance costs. With AMSOIL XL Synthetic Motor Oils, motorists realize the convenience and cost savings of extended drain intervals while also providing vehicles with maximum protection.

Improve Fuel Economy
Formulated with friction modifiers, AMSOIL XL 10W40 Synthetic Motor Oil is fuel-efficient as it reduces friction-related energy loss. Expect better fuel economy compared to conventional, non-fuel-efficient motor oils. Customer feedback indicates competing brands rapidly cause a loss in mileage as they reach 5,000 to 7,000 miles. AMSOIL's XL line will remain in grade through the 10,000 mile guaranteed interval.

Maintain Low Emissions
AMSOIL XL Synthetic Motor Oils are friendly toward modern emissions control systems, promoting proper operation of catalytic converters for optimum service life and low exhaust emissions.

Hot and Cold Engine Protection
AMSOIL XL Synthetic Motor Oils are multi-viscosity formulations. Compared to conventional oils, they better resist the effects of thermal breakdown, including evaporation and viscosity loss, while remaining fluid in cold temperatures for easier cold starts and fast start-up circulation.

Keep Engines Clean
Fortified with detergent and dispersant additives, AMSOIL XL 10W-40 Synthetic Motor Oil is engineered to resist sludge and carbon deposits better than conventional oils. Our 10W40 XL promotes clean operation for longer-lasting, better-running engines. Dispersants hold up to prevent further deposits at drain time.

Lower Fleet Maintenance Costs
Cost conscious business owners and fleet managers benefit from the extended drain intervals and wear protection of high quality AMSOIL XL Synthetic Motor Oils. While frequent oil changes are costly, time consuming and inconvenient, longer drain intervals reduce costs (labor, used oil disposal, facility demands) and improve environmental image. Fleet owners have made XL 10W-40 their product of choice to simplify maintenance on older vehicles and equipment while the life of the vehicle is further extended.

Bid Appropriate
AMSOIL XL Synthetic Motor Oils fulfill the requirements of most public and private purchasing bids. They are cost effective, making them ideal where synthetic motor oil is specified.

APPLICATIONS
AMSOIL XL Synthetic Motor Oils are excellent for use in all types of gasoline-fueled vehicles. They are recommended for all domestic and foreign vehicles requiring any of the listed performance specifications:

XLO 10W-40 Synthetic Motor Oil

  • API SN, SM...
  • ACEA A1/B1

MIXING AMSOIL
AMSOIL XL Synthetic Motor Oils are compatible with conventional and other synthetic motor oils. Mixing AMSOIL XL Synthetic 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 XL Synthetic Motor Oils.

SERVICE LIFE
In gasoline-fueled vehicles, AMSOIL Extended Life Synthetic Motor Oils are recommended for 7,500-mile/6-month oil change intervals or longer where stated by vehicle manufacturers or indicated by electronic oil life monitoring systems. Change aftermarket, OEM or AMSOIL oil filter at every oil change.

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 the AMSOIL Website. Keep Out of Reach of Children. Don’t pollute. Return used oil to collection centers.


See complete up to date details on the AMSOIL Synthetic XL Series 10W40 motor oil (PDF) with this printable data sheet.

 

Typical Technical Properties

 AMSOIL Synthetic 10W40 Motor Oil (XLO) [revised 12/10]

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

15.2

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

102.7

Viscosity Index (ASTM D-2270)

156

CCS Viscosity, cP @ (°C) (ASTM D-5293

6288 (-25)

Flash Point °C (°F) (ASTM D-92)

236 (457)

Fire Point °C (°F) (ASTM D-92)

250 (482)

Pour Point °C (°F) (ASTM D-97)

-38 (-36)

Noack Volatility, % weight loss (g/100g) (ASTM D-5800)

7.0

High Temperature/High Shear Viscosity
@ 150°C and 1.0 X 106 s-1, cP (ASTM D-5481)

4.2

Four Ball Wear Test @ 40 kgf, 75°C,
1200 rpm, 1 hour, scar diameter, mm (ASTM D-4172)

0.43

Total Base Number
9.0

 

For retailers and dealers here are some literature items we offer for this line of products.

Installers: Ask us for your free program brochure - see what XL and OE offer to expand your customer base.

XL Point of Sale Brochure

Product Data Sheet

Amsoil's One Voice Q&A on XL's recent upgrade.

See AMSOIL Product Listings

AMSOIL Home Buy Now Earn Income w/ AMSOILBypass Filter Kits Dealer List

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