New 15W-50 Viscosity Joins Synthetic Small-Engine Oil Family

New 15W-50 Viscosity Joins Synthetic Small-Engine Oil Family

New 15W-50 Synthetic Small-Engine Oil rounds out the synthetic small-engine oil family, bringing the excellent benefits of AMSOIL Synthetic Small-Engine Oil to applications that call for a 15W-50 viscosity oil.

Maximizes mower life

Landscapers are under tremendous pressure to complete jobs on time and up to standards. They need products that help them keep their expensive equipment running at peak efficiency for as long as possible, especially expensive zero-turn mowers.

However, continuous operation in hot, dirty conditions can lead to deposits and wear that reduce engine compression, robbing the engine of power. Over time, mowers become less efficient, require more maintenance and eventually wear out altogether.

See the product data sheet for full details.

Commercial-grade formulation

Most small-engine oils we’ve tested, however, 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 and other extremes. Simply put, they’re far tougher on oil that most people think.

AMSOIL 15W-50 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. Professionals can rest assured their 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 zero-turn-mower engines, including wear, power loss, oil consumption, harmful carbon deposits and stuck rings and valves. It helps landscapers and other professionals get more work done and save money.

Reserve protection

Synthetic Small-Engine Oil is a long-life formulation that has repeatedly demonstrated its ability to safely exceed original equipment manufacturer (OEM) drain intervals in the toughest conditions. Extensive severe-service testing proves its ability to provide service life of up to 200 hours or 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.


Use 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.

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