AMSOIL 15W-40 Commercial Grade Diesel Oil
AMSOIL 15W-40 Commercial Grade Diesel Oil is the ultimate choice for those seeking unparalleled engine protection and enhanced performance. Crafted with superior-quality ingredients, this oil is specifically designed to meet the needs of heavy-duty diesel engines operating under severe conditions. No matter how demanding your work environment may be, rest assured that AMSOIL 15W-40 Commercial Grade Diesel Oil will keep your vehicles running smoothly.
Description
AMSOIL 15W-40 Commercial Grade Diesel Oil
AMSOIL 15W-40 Commercial-Grade Diesel Oil contains more than half synthetic components, specifically formulated for commercial vehicles and machinery. It offers double the wear protection according to independent testing, helping keep your diesel engines running smoothly even under tough conditions.
This synthetic-blend oil excels in stabilizing viscosity, which limits wear particle formation by keeping soot suspended. That means your engine fights less friction and avoids accumulating damaging deposits, extending its service life while reducing upkeep.
It also performs well through a wide temperature range—maintaining flow in cold starts and resisting heat- and oxidation-related breakdown in high-stress environments. This combination supports clean operation, consistent power output, and optimized fuel efficiency.
The formula surpasses established standards for both on- and off-road use in heavy-duty diesel engines, making it a solid option for those who want dependable, long-lasting protection beyond conventional oils.
See the product data sheet for full details.
- Over 50% synthetic content enhances engine durability.
- Offers twice the wear protection in Detroit Diesel DD13 tests.
- Meets or exceeds OEM requirements for commercial diesel engines.
- Improves engine cleanliness and reduces maintenance.
- Maintains oil viscosity and flow in extreme temperatures.
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