Introduction
AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil sets a new performance standard. It delivers four times more wear protection than required by industry tests. This oil excels in extreme temperatures and reduces oil consumption. It helps keep trucks and equipment running at peak levels under heavy loads. AMSOIL’s synthetic formula offers outstanding value for fleets and individual users. This article covers vehicle applications and AMSOIL Commercial Accounts. You will learn why this oil suits modern diesel engines.
Benefits of Choosing AMSOIL 15W-40
Operators notice immediate gains in engine performance. Fuel economy often improves with cleaner internals. Engines run quieter and smoother under load. Maintenance costs drop due to lower wear and oil use. The oil also supports OEM warranty compliance. It helps equipment meet factory service intervals. Deposit control cuts sludge and varnish formation. Equipment life extends thanks to superior protection. Downtime shrinks with longer service intervals. Many users report cleaner oil analysis results. The oil’s stability cuts sludge and varnish formation. It helps fleets meet emission service recommendations. Packaging ranges from quarts to 275-gallon totes. Dealers supply quart bottles, gallon jugs, and bulk drums. This flexibility makes it easy to stock and service fleets.
AMSOIL Commercial Accounts
AMSOIL Commercial Accounts offer valuable perks to businesses. Accounts earn discounts based on annual purchase volume. They receive free ground shipping on orders over $400. Commercial users choose quart, gallon, 2.5-gallon, 16-gallon, or drum sizes. Discount tiers lock in at the start of each year. Accounts save on maintenance with extended drains and fuel economy gains. This frees capital for business growth instead of repairs. AMSOIL offers the lowest possible prices to accounts. Dealers and corporate teams ensure fast account setup. Orders placed by 5 p.m. Central ship within 24 hours. Accounts get access to training events and product updates. They also enjoy seasonal promotions and bulk order flexibility.
What Is AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil?
AMSOIL 15W-40 is a fully synthetic diesel engine oil. It uses advanced base oils and additives for top performance. The formula exceeds API CK-4 and CJ-4 standards. It supports extended drain intervals and high-mileage engines. It resists shear and maintains viscosity under stress . It offers robust protection against rust and corrosion. It reduces oil consumption and deposit formation. The oil performs in temperatures from -30 °F to above 250 °F. It also meets OEM warranties for heavy equipment. It meets modern emission requirements and protects DPF and SCR systems. It helps engines run cleaner and lower soot.
Advanced Synthetic Formula
This oil uses pure synthetic base stocks for strength and stability. Specialized additives fight wear, rust, and corrosion. It stands up to shear forces, even in turbocharged engines.
Key Performance Benefits
4X More Wear Protection
Independent testing shows this oil delivers four times more wear protection than required by the worst-case comparison oil.
Extreme Temperature Stability
It flows easily at cold starts and resists thinning in heat. Operators see reliable lubrication in all seasons.
Reduced Oil Consumption
The advanced formula cuts oil consumption over drain intervals. This lowers owning costs.
Extended Drain Intervals
Users can run longer drains safely. This reduces downtime and maintenance costs.
Vehicle Applications
AMSOIL 15W-40 serves a broad range of diesel engines. It fits Class 6, 7, and 8 on-road trucks. Delivery vans and light-duty pickups also benefit. Over-the-road semis and city buses gain peak protection. Agricultural tractors, combines, and sprayers run cleaner. Excavators, loaders, and bulldozers stay protected on job sites. It works in marine diesel outboards and generator sets. Passenger cars and SUVs with diesel engines can use it. Recreational vehicles and motorhomes run smoother. Fire trucks and municipal service vehicles see longer engine life. Rail yard equipment and mining trucks rely on it too. Fleet managers choose it for emergency and utility vehicles.
Discount Tiers and Free Shipping
Commercial Accounts unlock greater discounts as they buy more. Free shipping applies to orders of $400 or more.
Enhanced Fuel Economy and Cost Savings
AMSOIL products maximize engine efficiency. Improved economy lowers fuel bills and total cost.
Streamlined Ordering and Support
Users enjoy fast shipping and dealer assistance. Corporate support backs account setup and service.
Why Choose AMSOIL 15W-40 and Commercial Accounts?
Pairing AMSOIL 15W-40 with a Commercial Account boosts value. You get premium oil at wholesale prices. You also gain shipping and discount perks. Your fleet runs cleaner and lasts longer. You save time on maintenance and service. Business expenses shrink as equipment life extends. Technical support helps your team use products right. Marketing resources assist in fleet management. All this boosts your bottom line and uptime.
Conclusion
AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil is a top choice. Its advanced formula protects engines under extreme conditions. It fits a wide range of vehicle and equipment types. AMSOIL Commercial Accounts add savings, shipping, and support. Together, they offer unmatched performance and value. Contact your AMSOIL Dealer to start saving today and keep engines running at their best.

Discover the pinnacle of diesel engine protection.
with AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil, crafted for those who demand the best. Experience enhanced engine life and performance, whether for daily driving or heavy-duty applications.
AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil: Premium Performance for Diesel Engines
Unmatched Engine Protection AMSOIL’s advanced formula offers four times the wear protection of conventional oils, safeguarding your engine’s components against stress and wear.
Advanced Wear Protection Engineered for the long haul, it shields rings and cylinder liners from wear, maintaining compression and fuel efficiency.
Superior Viscosity Control Its robust synthetic base oils and additives maintain consistent viscosity, preventing wear-causing particle formation and ensuring engine reliability.
Exceptional Temperature Performance Operate confidently in any climate. AMSOIL 15W-40 excels in extreme heat and cold, maintaining its protective properties and engine performance.
Reduced Oil Consumption Its low volatility formulation means less oil burn-off and reduced emissions, making it an eco-friendly choice that extends oil life.
Technical Specifications Featuring a high viscosity index and excellent shear stability, AMSOIL 15W-40 maintains its protective qualities under severe operating conditions.
Broad Compatibility Suitable for a wide range of diesel engines, it meets various industry specifications and can enhance both modern and older engines.
Customer Experiences Users consistently praise its quality and performance, noting improved engine smoothness, reduced maintenance, and extended service intervals.
AMSOIL’s Commitment Backed by rigorous testing and a strong warranty, AMSOIL ensures your engine’s longevity and performance.
Convenient Purchase Options Available online with fast shipping, AMSOIL 15W-40 is your go-to solution for superior engine health and performance.
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