Top 10 Best 5w-40 Diesel Engine Oil

Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from pickup trucks to tractors to semi rigs. Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability compared to 15W-40 oils. Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants compared to previous formulation. Increased shear stability for better viscosity control and optimal engine oil pressure. Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

EXCELLENT WEAR PROTECTION IN HEAVY DUTY APPLICATIONS that can take a toll on critical internal moving parts. RESISTS OXIDATION AND FIGHTS DEPOSITS SLUDGE with higher quality synthetic base oils and special inhibitors. PROTECTS DURING COLD START UPS WHILE CONTROLING SOOT as heavy-duty equipment can sit idle for extended periods of time. ADVANCED FUEL ECONOMY up to 1.5 over 15W-40 conventional oils in on-highway operations. UNIQUE 5,000 MILES OIL DRAINS EXTENSION in Cummins X15X12 engines when average is 7mpg or higher. AMERICAN MADE FORMULATED to maximize your engines life and improve its performance. THE ONLY ONE exclusively endorsed and recommended by Cummins.

Mobil 1 Turbo Diesel Truck Is Designed For Modern Diesel Truck Engines, Delivering Long Drain Capability, Exceptional Performance, And Potential Fuel Economy Benefits. Meets Or Exceeds The Demanding Specifications Of Major Truck Manufacturers - One Engine Oil Can Be Used For Mixed Fleet Operations. Recommended For Use In All Super High-Performance Diesel Applications, Including Low Emission Engines. Helps Engines Last Longer By Reducing Low-Temperature Sludge Buildup And High-Temperature Deposits.

Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow. Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from pickup trucks to tractors to semi rigs. Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability compared to 15W-40 oils. Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants compared to previous formulation. Increased shear stability for better viscosity control and optimal engine oil pressure. Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster. Single 1-gallon bottle with ergonomic design for easy handling and pouring. Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

Maintains fuel economy without sacrificing engine durability.. Superior cold weather startability and operating characteristics.. Oil strength withstands higher heat range than conventional oils.. Keep-clean performance superior soot busting, deposit-dispersing capability.. Friction modified with Micron Moly and Penetro.

Unique Additive Technology for UNSURPASSED WEAR PROTECTION, oxidation, and high temp stability. 60 lower wear than leading lubricants and standards. WIDE RANGE COMPATIBLE - Compatible with all heavy-duty diesel engines.. HIGHEST VISCOSITY INDEX any 5W-40 motor oil, of any brand, with exceptional stability and flow properties. Friction modified and VI stabilizer pre-boosted. Un-rivaled turbo-charger protection, will not create deposits and ash on turbo bearings will not fry on the turbo. Up to 4 Fuel economy vs any 15W-40. COLD FLOW - Exceptional cold flow down to - 46 F.. OUTSTANDING POWER-STROKE PERFORMANCE Including 6.0 L turbo diesel ELIMINATES STICTION AND INJECTOR ISSUES that plague Power-stroke engines - No need for additional additives - Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean.. EXTREME DRAIN CAPABILITIES 25,000 mile drain interval for pickups and 80,000 for class 8 semi-trucks. WHAT WILL YOU NOTICE THE FIRST TIME YOU SWITCH - Dramatic reduction of engine noise. Improved fuel economy by at least 2. Substantially longer drain intervals vs all other brands. Virtually no deposits on turbos. Significantly improved oil analysis results and engine durability..

Exceptional resistance to high-temperature varnish and low-temperature sludge deposits to help keep engines clean. Wide viscosity range provides outstanding protection consistent with an SAE 40 grade oil at high temperatures, combined with the easy cold-start performance of a 5W rated oil. Outstanding wear protection. Excellent high- and low-temperature performance Pours at temperatures as low as -53 degree Fahrenheit and protects at oil temperatures as high as 400 degree Fahrenheit. Improved protection against sludge and harmful deposits Excellent fuel economy benefits.

For best performance, follow the manufacturer's recommendations in your vehicle owners manual..

Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel economy capability of 1.5 without compromising engine protection or durability. Improved wear performance - provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils. Improved deposit control - advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants. Emissions system compatibility - advanced low-ash formulation helps control blocking of or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency. Improved heat resistance - resists breakdown by heat to provide continuous protection throughout the service interval.

Full synthetic 5W-30 engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves highlow temperature performance. Performs extremely well in both diesel and gasoline engines, allowing mixed fleet customers to consolidate lubricants. Enhanced fuel economy capability of 2.8 percent, helping to deliver fuel savings without compromising engine protection or durability compared to conventional SAE 15W-40 oils. Increased shear stability for better viscosity control and optimal engine oil pressure. Strong oxidation protection helps to minimize the formation of acids and oil thickening, resulting in a longer, cleaner engine life. Case of three 1-gallon bottles with ergonomic design for easy handling and pouring.