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15W-50 Synthetic Small Engine Oil (SEF)

 15W-50 Synthetic Small Engine Oil (SEF)
Product Code: SEF • Brand: AMSOIL

Formulated to outperform passenger-car/light-truck oils, AMSOIL Synthetic Small-Engine Oil protects against wear, deposits and oil consumption in over-worked, under-maintained small engines professionals rely on to make a living.

Package sizes include:

Quart Bottle

See Pricing or Place an Order
MSDSData Sheet

Product Details

Product Applications

AMSOIL Synthetic Small-Engine Oil is multifunctional and can be used in gasoline engines, off-road diesel engines, and certain transmissions. It doesn't contain friction modifiers and meets JASO wet-clutch standards. It increases convenience and helps prevent misapplication.

Use 15W-50 Synthetic Small-Engine Oil in small engines found in (not limited to) mowers (zero-turn, riding, stand-on, push), generators, power washers and other equipment that requires SAE 50, 10W-50, or 15W-50 motor oil.

Equipment types include maintenance equipment, tractors, lawn and garden equipment, compactors, pumps, light towers, log splitters, welders, cement mixers and trowels, skid-steers, excavators, rototillers, and compressors.

Product Application Specs

Use the appropriate viscosity of Synthetic Small-Engine Oil in applications that require any of the following specifications:

• API SL, SJ, SH, SG (Gasoline)
• API CD, CF (Diesel)
• JASO MA/MA2 (Wet Clutch)

Product Description

Engine dependability is vital to running a profitable business, yet most small-engine oils we've tested are nothing more than re-labeled automotive oils, which are formulated with fuel economy in mind, not durability. That won't cut it. Compared to liquid-cooled automotive engines, small engines run hotter; operate under constant load; generate more oil-damaging contaminants; suffer from neglected maintenance, and are exposed to dirt, rain, snow, and other extremes. Simply put, they're far tougher on oil that most people think.

AMSOIL Synthetic Small-Engine Oil isn't merely a re-badged automotive oil. Instead, we designed it from the ground up specifically for small-engine dependability. You can rest assured your engines are protected even during periods of extended use when there's no time for scheduled maintenance. It's built to solve the problems that plague small engines, including wear, power loss, oil consumption, harmful carbon deposits, and stuck rings and valves. It helps landscapers, contractors and other professionals get more work done and save money.

Excellent Wear Protection

AMSOIL Synthetic Small-Engine Oil is a shear-stable, high-film-strength formulation fortified with a heavy dose of zinc anti-wear additives. It does not thin out due to mechanical shear, ensuring a thick lubricating film. Its zinc chemistry forms a durable barrier that protects against metal-to-metal contact.

Piston Wear Test

Reduces Oil Consumption

In lab testing, 10W-30 Synthetic Small-Engine Oil reduced oil consumption 61 percent compared to three leading 10W-30/SAE 30 motor oils.** Its heat-resistant synthetic base oils provide low volatility, excellent viscosity stability, and strong oxidation resistance. Engines run longer between top-offs, providing peace of mind they won't fail due to oil starvation and will run dependably in the harshest conditions.

Formulated for Power

Engine wear, carbon deposits, valve sticking and piston-ring sticking reduce engine power. Synthetic Small-Engine Oil prevents ring and valve sticking while helping eliminate carbon deposits from forming. As a result, engines produce maximum power throughout their service lives, helping you get more work done.

Extreme-Temperature Performance

AMSOIL Synthetic Small-Engine Oil's saturated molecular structure offers outstanding extreme heat resistance. In addition, we've fortified the oil with potent anti-oxidant additives that provide further resistance to damaging heat. Its powerful detergent additives fight carbon, varnish, and sludge to maximize engine life. In extreme cold, the oil's naturally high viscosity index and lack of paraffin (waxes) ensure it remains fluid and flows quickly, providing easier cold-weather starts and fast startup lubrication for reduced wear.

• Protects up to 200 hours (or the longest OEM oil-change recommendation)
• Helps extend engine life
• Rust-inhibited

COMPATIBILITY

AMSOIL Synthetic Small-Engine Oil is compatible with other conventional and synthetic motor oils. Adding other oils, however, will shorten the oil's life expectancy of AMSOIL motor oils and reduce their 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 Small-Engine Oil.

SERVICE LIFE

AMSOIL Synthetic Small-Engine Oil is a long-life formulation that has repeatedly demonstrated its ability to safely exceed OEM drain intervals in the toughest conditions. Extensive severe-service testing proves its ability to provide a service life of up to 200 hours/ one year, whichever comes first. It provides an extra measure of protection when equipment goes longer between oil changes than is recommended by the OEM.

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).

Click here to view the MSDS Data Sheet for AMSOIL SEF.

Keep out of the reach of children. Don't pollute. Return used oil to collection centers.

Technical Data

TYPICAL TECHNICAL PROPERTIES
  15W-50 Synthetic Small Engine Oil (SEF)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)17.8
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)128.9
Viscosity Index (ASTM D-2270)153
CCS Viscosity, cP (ASTM D5293)5128 (-20)
Pour Point °C (°F) (ASTM D-97)-36 (-33)
Flash Point °C (°F) (ASTM D-92)234 (453)
Fire Point °C (°F) (ASTM D-92)262 (504)
Four Ball Wear Test
(ASTM D-4172B: 40 kg, 75°C, 1200 rpm, 1 hour), Scar, mm
0.42
Noack Volatility, % weight loss (g/100g) (ASTM D-5800)3.2%
High Temperature/High Shear @ 150°C and 1.0 X 106 s-1, cP (ASTM D 4683), cP4.9
Total Base Number11.6

 15W-50 Synthetic Small Engine Oil (SEF)

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