
Signature Series Max-Duty Diesel Oil
Heavy-duty diesel engine protection for work trucks and commercial equipment.
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Curated AMSOIL Products
Click on your Industry, then choose from a focused set of products that fit your equipment.
This page is built to guide you to the products used most often by your industry. Visit the Contact page with any questions. We are happy to help!
Industry Category
Keep trucks, vans, service vehicles and commercial equipment working with fewer lubrication-related surprises.

Heavy-duty diesel engine protection for work trucks and commercial equipment.
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Fuel additive support for diesel performance, injector cleanliness and drivability.
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General severe-service grease for reducing wear and supporting uptime.
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Filter options for routine service and fleet maintenance programs. We also carry Wix
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Diesel pickups, tow rigs and work trucks need protection under heat, load and long service intervals.

Built for diesel engines working under heavy load, heat and turbo demand.
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A strong fit for older diesel equipment and heavy-duty applications.
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Targets diesel injector deposits and performance loss.
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Cold-weather, injector, cetane and fuel-system support options.
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Agricultural equipment needs lubrication support across engines, hydraulics, gearboxes, pivots, bearings, and more.

Hydraulic-transmission support for tractors and equipment using shared systems.
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Category-level options for farm and agricultural equipment.
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Wet-duty grease support for exposed equipment and high-load service points.
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Engine oil options for farm trucks, tractors and diesel-powered equipment.
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Cars and light trucks benefit from proper oil selection, clean fuel systems and reliable routine maintenance. We make it easy with one-stop all-in-one oil change kits

Premium synthetic motor oil options for gasoline engines and daily drivers.
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Browse oil options for cars, trucks, SUVs, Hybrids, and light-duty applications.
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Fuel-system cleaning and performance support for gasoline engines.
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Filter options to support routine service and maintenance intervals. They are included in the Oil Change Kits. We also carry Wix
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Commercial mowing and landscape equipment needs dependable small-engine protection through long, hot operating days.

Commercial-grade small-engine oil built for heat, wear and carbon control.
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Small-engine and power-equipment lubrication support.
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Fuel freshness and storage support for seasonal equipment.
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Fuel-system cleaning and short-term storage support for small engines.
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Powersports equipment needs protection against heat, load, clutch demands and seasonal storage.

Browse ATV/UTV oils for work, trail, hauling and performance use.
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Synthetic oil for V-twin engines, transmissions and primary chaincases.
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Motorcycle oils for metric, street and adventure applications.
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Fuel treatment, drivetrain fluids and supporting products.
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