Compact, hard working
four-stroke engines are everywhere, powering everything from
lawnmowers to
portable generators to skid steers. Although people depend
heavily on these hard working engines in both their working and
personal lives, maintenance is oftentimes neglected or
overlooked. In some cases, proper maintenance is overlooked
because the equipment is used infrequently. Other times it’s
neglected because the engine is inaccessible. Whatever the
reason, the life and performance of the engine is negatively
affected without proper maintenance.Motor oil temperatures in
automotive applications typically run around 210 degrees F,
while oil temperatures in continually operating compact engines
can easily top 300 degrees F. These elevated operating
temperatures promote oil consumption and oil thickening and can
significantly reduce the life of the oil. The combination of
elevated oil consumption and infrequent maintenance can lead to
low oil levels, placing further stress on the remaining oil,
while reducing engine performance and increasing the chances for
engine failure. Infrequent operation of these engines can be
just as damaging. Acids generated during operation and water
from condensation can build up in the oil during inactivity,
promoting corrosion and rusting of internal engine components.
Recognizing the stress
severe operating conditions place on small engine lubricants,
many engine manufacturers
are beginning to recommend synthetic oils for use over a broad
range of ambient conditions.
New
AMSOIL Formula 4-Stroke® Synthetic Small Engine Oil (ASE)
is a premium quality commercial grade
lubricant featuring a robust formulation that provides superior
protection in the hot temperature, severe service operating
conditions of both gasoline and light-duty diesel-fueled small
motors where routine maintenance is neglected. Formulated with a
high viscosity index and premium synthetic base oils that exceed
both 10W-30 multi-grade and SAE 30 straight-grade viscosity
requirements, Formula 4-Stroke® Small Engine Oil provides
excellent all-season protection and performance. As a commercial
grade lubricant, it meets the demands of
homeowner, commercial and industrial applications, improving
productivity and reducing maintenance costs through superior
engine protection. Formula 4-Stroke® Small Engine Oil
effectively withstands the high temperatures of hard working
engines, resisting oxidation and oil vaporization to control oil
thickening and reduce oil consumption. In addition, AMSOIL ASE
lasts longer in service than conventional oils and keeps engines
clean for peak operating efficiency.
Featuring a shear stable formulation with no friction
modifiers, Formula 4-Stroke® Small Engine Oil resists
breakdown during rigorous mechanical activity, making it ideal
for hydraulic or hydrostatic systems and chain cases. It is wet
clutch compatible and designed to prevent clutch slippage in
commercial or recreational transmissions.
AMSOIL Formula 4-Stroke® Small Engine Oil
protects gears and bearings during high-demand, commercial-duty
service. AMSOIL Formula 4-Stroke®
Small Engine Oil is formulated with high levels of premium
anti-wear and detergent additive technology, providing
severe service protection of |
pistons, bearings and
gears and effectively neutralizing
acids from combustion by-products common to small
engines. Anti-rust additives further protect equipment
during storage or infrequent use. Developed within the compact
engine industry, the Tecumseh 150-hour endurance test measures a
lubricant’s ability to function in continuous operation
applications and severe operating conditions common to engines
in the field. Operating speed is maintained at a constant 3,200
RPMs, while average oil temperature is 283 degrees F, average
intake air temperature is 103.5 degrees F, average cylinder head
temperature is 570.9 degrees F and average exhaust temperature
is 1256.4 degrees F.
The superior performance of AMSOIL Formula 4-
Stroke® Small Engine Oil was demonstrated in the Tecumseh
150-hour endurance test. Few oils can endure
the full 150 hours of testing, but AMSOIL ASE passed
with flying colors. A competing conventional 10W-30 oil
subjected to the same test demonstrated a viscosity increase
10.5 times greater than AMSOIL ASE, while oil
consumption was 189 percent greater, oxidation 58 percent
greater and average engine wear 153 percent greater. As seen in
the photos above, Formula 4-Stroke®
also demonstrated outstanding engine cleanliness following
the test, scoring a perfect 10 in most areas relating to sludge
deposits and piston ring stickage. Applications and
Recommendations AMSOIL Formula 4-Stroke® Synthetic Small Engine
Oil is recommended in gasoline or light-duty diesel-fueled
engines, transmissions, hydraulics and chain cases requiring an
SAE 30 or 10W-30 lubricant and API SL, SJ, SH or SG (gasoline)
or API CF or CD (diesel) performance. It may also be used in
motorcycle wet clutches requiring JASO MA. Engine manufacturers
include Briggs & Stratton, Kohler, Honda, Tecumseh, Robin,
Kawasaki, Onan, Kubota, Yanmar, Wisconsin, Power Train, Vanguard
and Linamar.
Equipment brands include Toro, Ariens, Sears
Craftsman, John Deere, MTD, Bolens, Dixie Chopper,
Yard-Man, Coleman, Murry, Troy-Bilt, Ex-Cell Generac,
Snapper, Simplicity, Ingersoll, Wheel Horse, Homelite,
Porter-Cable, Devilbass, Poulan, Cambell, Hausfeld,
Massey Ferguson, Thomas, Bobcat, Kubota, New
Holland and Caterpillar.
Applications include maintenance equipment, tractors,
lawn and garden equipment, generators, compactors,
pumps, light towers, log splitters, welders, power washers,
cement mixers and trowels, skid-steers, excavators and
compressors.
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